Leivinia Birdway

Leivinia Birdway (レイヴィニア＝バードウェイ) is a character originally introduced in the Toaru Majutsu no Index SS: Stiyl. She appeared sporadically in Toaru Majutsu no Index: Kanzaki SS and in the main Toaru Majutsu no Index novels. It is not until the advent of Shinyaku Toaru Majutsu no Index that she gets a much more prominent role.

A haughty and powerful boss of the largest magic cabal in London, Leivinia Birdway is the catalyst to the involvement of several science side characters into the magic side, just so she can contend against GREMLIN. Her involvement with several unfortunate circumstances, leads to estrangement with her relationship with Kamijou Touma and his self-doubt, in spite being saved by her. This caused her to be one of the main antagonists of the Ichihanaran Festival Arc.

Appearance
She is a 12-year-old girl with short blonde hair, blue eyes and a petite figure who wears a white dress, with black stockings. It is referred to as, and her dress gave out a grand piano-like impression.

Still a child, her bosom has yet to develop, much to her chagrin.

Personality
Leivinia is a capable leader, able to lead an entire cabal on her own full of adults. To Leivinia everything is about the cabal, according to Mark Space, to Leivinia, her subordinates are nothing more than small gears within a large plan, and their survival is not a necessary part of that plan's success. She would also manipulate people she thinks would be useful, like Kamijou Touma and the rest of his ilk during Hawaii. She exudes confidence, showing no fear when Touma had a drill on her head, knowing that she could escape it if she wished.

However, despite all her haughtiness, there is more to Leivinia than a powerful and confident leader of a magic cabal. She is still a child despite all of this, arguing with someone like Fremea Seivelun,who thinks Santa Claus exists, sleeps with a nightlight on, as well as despises being reminded that her bosoms is underdeveloped. She doesn't like panties with a large rabbit on them or anything spicy. For all her manipulativeness, she can dish it out but she herself cannot take it. When she discovers that Touma himself has manipulated events into his favor, she becomes strung up on the subject, and becomes easily irritated when the subject is brought up. According to Touma's observations, Leivinia is a person who loves effort and does not turn away from hard work, charming people who support her large organization with something other than her words. She is also fond and protective of her younger sister, as shown when she orders Mark Space to go and rescue her, despite not wanting to involve herself with Exit of the Evening Dusk's operations.

Background
She was the eldest between her and Patricia Birdway. She is a talented magician who has received various proposals from many organizations to join but flatly rejected them all. It is unknown how she came to be the boss of the Dawn-colored Sunlight, but her magic talents most likely stem from her hard work.

In the cabal, she investigates the leaders and charismatic people of various organizations in order to search out the best course with which to seize the core of the world.

British Royal Family Arc
She first made her cameo appearance during the war as one of the listeners whom Queen Elizard reached using the Union Jack. Despite the war raging outside, Leivinia tells Mark Space not to get involved with it. Mark tells her that this could be their chance to analyze Curtana, but Leivinia replies that if they tried anything, it will only anger the Queen, reiterating that they need to stay out of it and under the radar. Mark Space notifies that Patricia has already left looking quite excited, to which Leivinia orders Mark to get her back.

World War III Arc
During World War III, she appears again with the Dawn-Colored Sunlight, and helped defend against Fiamma of the Right's golden hands.

She later saves Touma from the Arctic Ocean after he defeats Archangel Gabriel.

Freshmen Arc
Her name didn't come up until near the end of New Testament volume 1, where she kicks Touma in the groin while he was explaining magic to Accelerator and Hamazura, saying that he needs to go apologize to some girls he made cry, and took over explaining.

Homecoming Arc
At Touma's house she explains the magic side to Accelerator and Shiage, while picking a fight with Fremea Seivelun.

Hawaii Invasion Arc
Knowing that GREMLIN uses a combination of magic and science-side technology ideals in order to further their goals, Leivinia decides to use the 27 Cooperative Institutions of Academy City, as a means to draw out GREMLIN's core members, though the result would weaken Academy City both economically and politically in international affairs. To accomplish this, Touma is used to gather members around him, people from Academy City, in order to form a group influential enough in future events and that would help in marking Academy City into an interfering entity by the world, especially the cooperative institutions. Leivinia may have planned beforehand to make Touma and the others be discovered by the world as entities of Academy City in their involvement in the events in Hawaii.

She is later successful in manipulating into getting a powerful enough group to aid her against GREMLIN, but ignorant enough not to question her motives—the Kamijou Faction. And with Aleister Crowley to preoccupied with the unraveling of his plans after the events of the War, Leivinia is able to get them out of the City, with little trouble.

Touma and company arrive in New Honolulu International Airport separately, as so not to draw suspicion from Academy City. While needing to draw information regarding GREMLIN's plans in Hawaii, Leivinia set-up an event that would gain attention to GREMLIN by using the fact that they are sensitive about their ideologies. Leivinia had her cabal set up a suspicious suitcase, which forces the airport's security to announce a fake announcement to force people out of a dangerous area without panic. Touma receives a message from Leivinia, and along with Misaka Mikoto, rendezvous with Hamazura Shiage, Kuroyoru Umidori, and Misaka Worst. A member of GREMLIN has arrived to deal with the incident, Cendrillon, and from there on, Leivinia's cabal tries to attack but is quickly subdued by her magic. Leivinia on the other hand, walks into the airstrip and continues her communication with Touma, here, she is trying to find a jet-fuel tanker that should help her defeat their foe.

As Cendrillon begins her final attack to take down the members of the Kamijou Faction, including Accelerator, Leivinia arrives and drives the tanker she have just found and ramming it unto Cendrillon. Despite that, she is still alive then Leivinia ignites the jet fuel carried by the tanker, and with accordance with Idol Theory, the resulting explosion and flames weakens Cendrillon's power, and rendering her defeated. The group, other than Accelerator and Leivinia later evacuate the airport.

With Accelerator, Leivinia tries to interrogate Cendrillon for information, but is cut short by the interference of Saronia, who unbeknownst to the group, made up a ruse with Cendrillon to fool them regarding her real powers and is seriously injured, sensing the inevitability that Leivinia will go after her next.

Saronia seeing the danger of the Kamijou Faction and Leivinia Birdway imposing in their plans, tries to initiate an attack on them, at the same time as assassinating Roberto Katze and Roseline Krackhart.

The Oahu shootings begin just after Leivinia and Accelerator stop Edward Torke from assassinating Roseline Krackhart at Hotel Firefly, as so they can analyze the spell Saronia used and draw her out. The shooting begins with an attack of a hapless family member of one of Saronia's hostages, though, it is unsuccessful and was later incapacitated by Accelerator and Leivinia. Meanwhile, Roberto's would-be assassin is later convinced by Roberto in aiding him in giving him information regarding the one who is manipulating his loved one, from there Roberto would try to go to Coral Street Shopping Mall in order to stop Saronia. Despite these setbacks, Saronia continues with her attack, though also planned for it to fail, and as such using the chaos to escape. Here, she is now using her hostages to attack them. However, she did not anticipate Leivinia and the Kamijou Faction, in convincing the attackers to their side, and there she is attacked by them. Accelerator later arrives and saves the hostages, forcing her to retreat, though is later flanked by the arrival of Touma and Shiage—basically trapped, along with Leivinia's countermeasures.

An explosion later rocks Coral Street Shopping Mall, and signaled the arrival of the first GREMLIN and Trident forces, which Olay Blueshake provided to save Saronia. Accelerator tries to do battle, but is later caught into a trick by them, making him accidentally use magic. It would take Roberto Katze's arrival to save Accelerator, after being overwhelmed by the magic that he used.

Roberto with Accelerator, later tells the rest of the group that through his investigation of the queer nature of the people in government and military, he can determine what GREMLIN is after, Trigger, which the group deduces that GREMLIN would be trying to cause an eruption of Kilauea, the largest active volcano in the Hawaiian Islands. With that, the group set out to Pearl Harbor, with Hamazura Shiage, Kuroyoru Umidori, and Misaka Worst, going to Volcanoes National Park to investigate. As President of the United States of America, Roberto Katze, with Touma, Mikoto, Accelerator, and Leivinia, enter Pearl Harbor with little trouble, and later directed by a mind-controlled Bax Silver that Trigger is in one of the cargo planes in the runway. Meanwhile, Shiage, Umidori, and Misaka Worst discover that GREMLIN agents have already set-up the Trigger in Kilauea. Touma and Mikoto, with Roberto go into one of the cargo planes, while Leivinia and Accelerator investigate another. Leivinia later witnesses the eruption of Kilauea and the invasion of Hawaii by Trident.

Leivinia, Mark Space, and Accelerator, opted to help the surviving American military in Pearl Harbor to retreat, attacking Trident and GREMLIN. Their efforts allow enough military from Pearl Harbor that is still a sizable threat, as well as save Roseline Krackhart, as the battle in Pearl Harbor spreads into Oahu's roads near the bases. Their efforts allow enough military from Pearl Harbor that is still a sizable threat, as well as save Roseline Krackhart, as the battle in Pearl Harbor spreads into Oahu's roads near the bases. In Lanai, Touma, Mikoto, and Roberto discuss the suspicions regarding Saronia's powers, as he and Roseline was able to see that there were people being controlled even though they were not acquainted with magic or the occult. They later discuss the possibility that Saronia was able to control people without magic, as in people willingly followed them, Roberto later states that Olay is the most likely suspect for hiring Trident and leading the invasion, being the media queen.

Touma later relays the information to the others using a conference call, there Roberto further states her Free Compound Eyes, and that since of her illegal activities she is wanted by the authorities, and has gone into hiding. Without knowing of her location, the group plans to meet up with each other again. Shiage's group, which is still stuck in Volcanoes National Park, disguised themselves and steal one of their hovercrafts to get off the island.

At the height of the attack on Pearl Harbor, Olay Blueshake reveals herself to Roseline Krackhart, taunting her that the United States would soon fall before the might of the occult and Trident, and turn the country into a theocracy as a defense against the occult. However, now that Roseline knew of Olay's involvement, she now had a chance against Olay, her daughter, Lindy Blueshake, with that she gathers 200 volunteers that she could trust and begins her search for Lindy Blueshake, who is in Hawaii as protection against her mother and the people who are her enemies. Roberto discovers this through the Imperial Package and with Touma's insistence, opts to save Lindy Blueshake from Roseline Krackhart, in the fear that she might become a scapegoat. Shiage, Umidori, and Misaka Worst, later pick up Touma, Mikoto, and Roberto from Lanai, as well as Leivinia and Accelerator from Oahu in Pearl Harbor, later, Roberto discovers Lindy's home at Napali Coast, Kauai.

The Kamijou Faction is somehow able to land on the southeastern side of the island of Kauai, despite Trident's defensive line on the coasts using anti-ship missiles, though this could be justified since their hovercraft was small. After landing on the island, they formed groups and opted to take different routes towards Napali Coast: Touma with Umidori, and Accelertor with Mikoto, move clockwise, while Shiage, Leivinia, and Roberto move counterclockwise.

As Touma prepares to do battle with Saronia, Leivinia is contacted by him regarding Saronia's powers. Touma states that she should at least be able to figure what Saronia was trying to hide based on the false information she had propagated. Leivinia agrees, and sends out the order to her subordinates to figure it out. Leivinia later contacts Touma, and says that Saronia's power is to turn an area in to an enclave, where she, as the Leshy, rules those who are a part of it, and punishes those who are outsiders, like Touma. Although the exact method is not known, Touma conjectures that Saronia needs at least a few days of preparation. After the call ended, Umidori finishes only one arm, forcing Touma to plan on charging towards Saronia in order to gather information regarding her powers. Umidori later tells Touma that she is not going to use her power, and instead is going to use the violent aftermath of an esper using magic, due to her being a cyborg, she can transfer the effects on any object she chooses. With this, and despite Touma's reluctance, Umidori uses a magic spell using her make-shift arm upon the cliff-side house. The cliffs crumble down, taking out several Trident and GREMLIN forces, though incapacitates her. Saronia arrives inside the building, after ordering backup from the West of Napali Coast.

After Touma defeats Saronia, and the Trident forces surrender, Leivinia disappears into Honolulu International Airport with Mark Space. She is contacted by Touma, furious after discovering that their influence in the events of the invasion of Hawaii, led to the 27 Cooperative Institutions of Academy City severing its connections with Academy City. He asks her if she is part of GREMLIN, to which Leivinia states that she will leave it to his imagination. Mark Space asks if it was best to leave it like it was, to which Leivinia says that it is only natural for Touma to criticize her. Mark Space comments that she should've told Touma her true intentions. But Leivinia just mocks that scenario, and refers on how her method was very effective. Mark Space tells of the possibility of GREMLIN suspecting, but Leivinia says that GREMLIN would act based on that suspicion, all of which would inevitably draw them towards the institutions regardless if they cooperate or make them enemies. Leivinia tells that their actions were not just, and refers that she has never told Touma that she stood on the side of justice.

Baggage City Arc
As a great tragedy befalls Baggage City due to the actions of GREMLIN, with many of their core members out in the open. Leivinia has allied herself with Ollerus in taking them down. She is first seen in northern Europe, as GREMLIN's artificial valkyries nearly overwhelm Brunhild Eiktobel, she and Silvia came to her aid. However, the attack was a distraction as the battle allowed a GREMLIN agent outside the hospital to grab the plans for Gungnir from Brunhild's mind with her mental defenses lowered. Silvia assured her that they can track GREMLIN now to their base of operations.

Eve of the Festival
According to Thor, Ollerus has gathered together a group of powerful magicians for the purpose of opposing GREMLIN in Academy City. Among the people he mentions is Leivinia. This is later proven correctly, as after the fiasco of Fräulein Kreutune escaping the Windowless Building, Touma and Thor, correctly predict that Ollerus' group will require a scout. Here, Leivinia first appears tailing Marian Slingeneyer after she falls for Touma and Thor's trap, and in turn, is tailed by Touma. Part of Touma and Thor's plans require the scout, Leivinia, to believe that he has joined up with GREMLIN, as so to make GREMLIN think that Academy City and Ollerus are attacking them, and Ollerus think that Academy City and GREMLIN are attacking his group, allowing them to buy time to safeguard Fräulein.

While following Leivinia, Touma grabs a power drill and aims it at Leivinia's skull. With arms spread out, Leivinia is completely nonchalant regarding Touma's threats. Touma tells Leivinia not to move as he has the advantage, but Leivinia asks if he really expects that he can kill her with the drill. Leivinia then states that she never expected him to act in behalf of GREMLIN. Touma tells Leivinia that he has no idea if what he is doing is right or wrong, but says that it is at least, it is due to him thinking through things for himself. Leivinia says that he might have been tricked into doing it, to which Touma replies that she is the one who specializes in doing that, to which Leivinia falls into silence.

Leivinia is completely ignored during Touma's tirade regarding the hell that happened in Baggage City, her role in keeping damage to a minimum, and the fact that despite all she did, he still deemed it as something that is not the best answer, as Kihara Kagun died, bringing Kumokawa Maria to tears, and that she still used Baggage City to her own end. Touma then asks her how he is supposed to unconditionally trust someone who did all that. For but a moment, there was no reply from Leivinia. When she speaks, however, she coldly tells him to move the "toy" he is carrying out of her way, and that he has created a situation that he no longer has grounds that will not stop her from killing him, as he threw it away before her now.

Just then, as the tension becomes thicker, Anti-Skill arrives, and sees Touma's threatening Leivinia. One of them however, accidentally takes out his rifle and starts shooting at Touma, much to the horror of everyone present. Leivinia cradles the bloodied Touma in her arms, and tries her best to use first aid on him, not allowing the Anti-Skill to interfere anymore. As she begins to leave, she tells Anti-Skill of Touma's condition. With her bloodied clothes and hand, that she is unable to wipe since she used her handkerchief for Touma's first aid. It is shown that she has taken Touma's bait, the student handbook he had where he wrote Marian Slingeneyer's name. She calls her comrades, and tells them that Touma was won over by GREMLIN. She reports to them on how Touma is working with Marian, and the details regarding her name in the student handbook. She also tells the person on the other side of the phone that GREMLIN is based in District 12, from the notes on Touma's handbook, and says that she wants them to crush GREMLIN using a surprise attack as it is the perfect chance to do so.

Touma however, barely conscious, overhears this as he is carried out by the EMTs, satisfied that she has fallen for the bait, and that he used the unforeseen arrival of Anti-Skill as the means to convince Leivinia.

During the Festival
With Silvia and Brunhild Eiktobel, Leivinia pursues the tip that she obtained from Touma, taking them to a location in in District 12. Leivinia was tricked by Touma, and she knew it. Here, Silvia mocks the building trying to imitate a Buddhist temple, not having any actual magical symbol, to which Brunhild agrees. As they converse about the queer religious building in the city of science, Leivinia calls for their attention if they had found any signs of Marian Slingeneyer yet. Silvia tells that she should already know the answer when they have not come upon any traps on the way in. Brunhild asks if they were tricked to which Leivinia says that they were most likely have, and states that Touma has indeed grown if he had it in him to plot like this in the situation that he was in. Silvia tells Leivinia not to be upset, saying that after Leivinia tricked him so much, she shouldn't have any right to get mad when he returned the favor just once. However, Silvia adds on how she understands why she is panicking, as what Touma did costed her the perfect chance to apologize to him. Her reply only makes Leivinia angry, threatening her. Brunhild then asks why they should do next. They conclude that since Touma had no reason to make them think that he had connections with Marian, then he must've done so in order for him to distance them from something—something that they would come across naturally had it not been for the efforts of Kamijou Touma.

As the battle between Accelerator and the revived Kakine Teitoku rages in District 7, it is heard by the group. Leivinia becomes interested by the ruckus, as it could be their only lead even if it is a decoy. Brunhild talks about of who lies behind the fog of war, as a battle against them might become draw out. Leivinia replies that it might Touma, saying that he might be working with someone and that she sometimes can't event predict how his mind works. Silvia smiles and asks if Leivinia is simply a sulking child that was after the older neighborhood boy she relied on moves on and leaves her behind, and asks if she is surprised that she underestimated the person she looked down on. Leivinia deems that Silvia is simply making fun of her, and gets angry. Silvia continues and says that Leivinia's anger is misdirected and childish, and should consider herself lucky that Touma didn't get her back much worse than what she did to him. In that restaurant where they rested, the air had killer intent. Silvia keeps on talking and implies that Leivinia is just manipulating Touma in order for him to safely drop out of this dispute with GREMLIN. However, at that point Leivinia attacks, but is quickly restrained by Brunhild. Silvia is hit, but with only a single drop of blood of trailed down the corner of her mouth, who kept on smiling. Leivinia demands to know where Ollerus is, to which Silvia says that he is preparing. With that, Leivinia stays her hand, and tells them that they should go.

After much searching, she finds Fräulein Kreutune in the Multilevel Overpass, suffering due to both of her instincts and the beliefs that she had come to incur. Leivinia asks her if she wants her to bring her to an end. Leivinia mentions on how the magic side has a different term used to describe Fräulein, though both magic and science sides apparently do not have the ultimate answer. However, she describes Fräulein as a queer existence that has no starting and ending point. She cites a few examples of her probable origins from the magic side point of view, and then tells her that the conclusion is the same no matter what, is that what makes her special is her purity. This piques Fräulein's attention, asking her about it. Leivinia states that pure thing such as her can be changed into making her impure, and her being the boss of a magic cabal that created new ways of valuing seemingly needless additions by taking the knowledge of the past and sublimating it to techniques leading to the future. Fräulein need only to transform into something that can be killed. Leivinia then asks her what she wants to do, as she will be using her as a bait for Othinus, and asks if her if she wants her to kill her afterwards so that she would not suffer anymore. Fräulein seemed to have accepted this proposition by remaining still, and sightly smiled because her desire to die would be fulfilled. Leivinia says that she will blow up her limbs and seal her into a cold coffin to bait Othinus, afterwards will kill her as soon as that characteristic of her being able to be killed shows up. Before doing the fell deed, Leivinia reassures her that the situation will not get any worse. However before Leivinia could take any action, Kamijou Touma appeared with the intention of protecting Fräulein.

Kamijou Touma confronts Fräulein, and tells her that if she can't bear to lose her friend, then she can't seriously want to give that same pain to her friend by having herself get killed. There are people who want to protect her, and do not want so see her get hurt, just as much as she feels those things for them. Touma then tells her not be so ready on dying, as she can find the path to an ending in which everyone is smiling. Leivinia however, advances turning her Symbolic Weapon into a sword and cutting between them, slicing the overpass. She tells Touma that Fräulein is not as human as he thinks, as everything about her is beyond his understanding. Seemingly uncaring about this, Touma states that all he sees is a girl that is struggling, and is on the verge of giving up. He says he made his decision to protect her as he definitely heard her that she wants to want to eat her brain's friend.

Leivinia then tells Touma those words were nothing but an imitation, trying to crush Touma's motivation. Leivinia states that Fräulein is fundamentally different from humans, as she is, always have been, and always will be, a creature that only appears to think, using simplistic decisions, she has come to the conclusion that copying humans was the ideal choice of living a comfortable life— a mimic. But Touma says that he believes in her, for he come upon this situation countless times before. Touma tells Leivinia that it is because she considered her to be human as well as the reason why she did not attack her right away, talked to her, and even reassured her. Leivinia falls into silence, but then had her Symbolic Weapon that had turned into a cup ready. Leivinia too will not yield even if Fräulein does indeed have a heart, for her goal to destroy GREMLIN and stopping the production of Gungnir it at the utmost. And Touma accepts this, seeing the inevitable battle before him. Touma tells Leivinia that even if she defeats Othinus and destroys GREMLIN through sacrificing Fräulein, her taking the easiest path via deception and the harming of others will only change the name of the enemy that she is trying to protect the world and its peoples from. Here, Touma states that he will not allow her to become the ultimate villain.

And thus Leivinia fought against Touma. With her Symbolic Weapon turned into a cup, which symbolizes water, she assailed Touma, knowing full well of his Imagine Breaker, but surely Touma cannot negate them all. So Leivinia bared down on him with countless daggers of water that was packed fully that it left no space for a man to hide. But it did not work, for Touma negated a dagger, a dagger that would specifically cause all others to be thrown out of the way after breaking into pieces. It was Precognition, and yet Leivinia's countenance did not change, for to the left of him Leivinia summoned a telesma explosion. The explosion was great, and Touma twisted his body as so his right hand can meet it. But Leivinia had wanted this to take place, for her Symbolic Weapon was now that of a sword, which symbolizes wind, and swung it down, for she will cut down his arm, even though she was weary of that "Invisible Thing" that manifests whenever his arm is cut. But it did not come, for it was blown away. A great light engulfed the attack for Touma directed the summon explosion towards it. As such Leivinia changed her weapon back into a wand. Touma calls out to her and reminded her that he has fought Fiamma of the Right, and so he knows that there are things that his right hand cannot overcome, like the summoned explosions. Leivinia was not amused, and she spun her wand to create a wall of fire. But Touma could not be tricked, and he swung the fire away with his right arm. And then many stone daggers assailed him, but he twisted his body to avoid a single blade, which he knew was a real dagger. Leivinia's assault continued, and Touma continued to overcome it. He destroyed the stone daggers, and destroyed him so that the water daggers that would fall upon him. Leivinia however finally tires of the cycle, and pulled out a flintlock pistol, and on that moment Touma knew of danger. And so, with a considerable distance between each other, Leivinia drew her gun towards him.

With not much of a choice, Touma charged towards Leivinia as so his hand can divert it. But as soon as Leivinia pulled the trigger, no bullet came, for flintlocks were old weapons and took time to load a bullet. As such, Touma was tricked, and a stone pillar came from below him and knocked into his center. Touma wavered, but he fell as Leivinia whipped the gun at his head. After telling Touma the difference between a flintlock and a modern gun, Leivinia tells him that it was Touma's fear of guns that allowed her to get a decisive blow against him. Then, Leivinia begins the long method of loading her flintlock pistol and aimed it at Touma once more. She says that he must give up on Fräulein Kreutune or she will give him a reason to give up, warning him that she shall shoot him just so that he will give up. But Touma merely scoffs at her, and asks her if what she is doing to compensate for the damage she has done, to which Leivinia asks what of it. Touma says that it would mean that she has admitted that she has done something horrible, and tells her not to go the wrong direction even for the sake of stopping Othinus. Leivinia replies that she tires of his appeals to emotion, but Touma points out that saving people through logic and efficiency alone has no meaning without emotions, since rationally, there shouldn't be a reason to save people in the first place. Touma says that they are the same, they want to save people, but she is going about it the wrong way. But Leivinia then asks what he has managed to do. For Touma knows nothing of GREMLIN, its headquarters, its leader, nor does Touma know how to deal with them, for he only chase after them around the world causing problems. Leivinia says that the only Touma has achieved is getting himself thrown about and increasing the number of victims. Touma admits his own powerlessness. He references on how he stopped Fiamma of the Right in World War III, but it wasn't just because of his power, and that the things he thinks up rarely work in the world. But Touma tells Leivinia that just because his reasoning his childish and wrong, doesn't make hers completely correct. Touma tells her that unlike her, he has given a part of himself for others, and that's the reason why people lent him power. Leivinia asks if Touma is saying that she has no right to get other people involved because she makes decisions while looking down from above, to which Touma agrees.

Touma tells Leivinia that if she needs sacrifice against GREMLIN, then choose him instead. This shocks Leivinia, not being able to reply to him. Touma says that with her power, she could surely make him look like a threat to draw out GREMLIN, but Leivinia says that he is but a mere human who cannot contend against GREMLIN like Fräulein Kreutune. Touma references the incident where Othinus defeated him, and tells her that Othinus wanted to look at the right hand that resolved the incident, and says that it might not be the same as for Fräulein Kreutune, but since it was another path, he asks her why she didn't choose it. Leivinia tells Touma that he is insane, and says that she doesn't understand what drives him. Touma tells the reason and that it is because he has no reason to abandon others. Having enough of it, Leivinia had her finger on the trigger, and says that she wonders how Academy City can control a person like Touma, the biggest threat he holds is not his powers, but the way he used his powers. Leivinia warns that what Touma holds is not good or evil, and compares him to Aleister Crowley and Laura Stuart, saying that it will give him great power if he can completely grasp it in his hand, but if he cannot, it will be disastrous for him. Touma doesn't understand, but Leivinia says that she will give him time to think as she tries to pull the trigger.

But just before she could, Mikoto pulls the gun away from her using magnetism, despite the inherent danger as she was battling Brunhild. Then, Thor's Fusion Arc Blades cut up the road between them, despite the danger as he was battling Silvia. With their conversation and the distractions given by Mikoto and Thor, Touma is able to shake off the attack Leivinia did to him previously, and is able to stand up. Touma reminds Leivinia that he often did not fight and solve problems on his own, and that they are unlike her and her comrades who can only end up functioning as individuals, splitting up work between them. Touma tells that nobody truly knows who Fräulein Kreutune is, but a great change has come, many people has gathered in the direction of saving her. He tells Leivinia that he may seem crazy for doing what he does, but he tells her that she is absolutely wrong, for anyone would want to save someone if they saw or heard that they were suffering for no good reason. This enrages Leivinia, who can't seem to make a reply, and thus, Touma concludes that they won't lose to people like her who wouldn't consider something so basic.

Touma tries to analyze Leivinia's magic, and concludes that it is a trick, as her symbolic weapon could easily be destroyed by him despite it being used by her as a means on taking on the world. Leivinia attacks first, with her weapon turned into a sword, to cut down Touma's right arm. But Touma just evaded it instead of negating it, as he thought of all the magicians he fought that amplified their power. Leivinia now had a wand, and from there did come a disk of fire, and then became a wall that moved towards Touma. But Touma destroys it with his right hand. Anticipating this, Leivinia changed her wand into a cup, and water appeared with her at the center, and a large number of daggers grew and rained down upon him. Once again, Touma negated one of them, and made himself a safe zone, allowing him to get in range of Leivinia. With no clue, Touma believes that it is her symbolic weapon that supports Leivinia, to which she just scoffs. Touma attacks it with his fist, but it was knocked to the side. It had gone again from a cup into a sword, and sent the wind sword at his right fist. But Touma just changed its trajectory, for it could not wholly be negated as Leivinia sent powerful magic into it. Trapped, Leivinia shouts that Touma is naive to assume others are as goodhearted as him. She swung her sword down on him but Touma did not fall for the wind blade, for he evaded it. However, her actions confused Touma. Leivinia took steps backwards, and attacks Touma with her summoned explosions, but Touma managed to create a safe zone for himself. As he did so, he thought on how Leivinia chose an attack he knew, despite the information that she can put spells together in many forms. Leivinia could've easily made up a spell to beat him. Wall of flames and a storm of knives assail him, but Touma dealt with them again as well. And there, Touma knew that it wasn't that she could have done something else but didn't, but its just that it was all she could do.

Touma tells of his discovery to an unbelieving Leivinia. He states that what makes Leivinia special is numbers, using the same spells with the same motions. She repeatedly done the same thing for a long time and it has built up, doing so the exact same way, she turns those very motions into magical symbols to support her. Touma praises her, saying that despite her cold demeanor, Leivinia is the most passionate and hardest working of all. Leivinia is enraged, telling him that she is always searching for something new whether it is from science or magic. And thus, Leivinia essayed attacks on Touma, some were something that Touma has yet to see, but it was no match for him, for he knew that was the limit of Leivinia's magic, and all the surprising things he had to contend against, like the hidden knife and flintlock pistol were merely a trick. Again and again, Leivinia essayed attacks of the four elements and others towards him, but it was to no avail. Touma, knowing what kind of person Leivinia is, someone who loves effort and hardwork, someone who did not take the easy way out by targeting the part where he was shot. And thus, Touma tells her that she is a person who has taught so many people that hard work will carry people to the top, and for that reason he cannot let her come to the answer that using Fräulein Kreutune is the best answer. And with that, Touma smote down Leivinia, and the battles for the sake of Fräulein Kreutune comes to an end.

Leivinia with a bruised face, escapes with Silvia and Brunhild from Academy City. Silvia complains on how what they did was a complete waste of time. Leivinia replies that it couldn't be helped, and states that even if they did want to get Fräulein, she can't be used to lure Othinus anymore. Silvia asks her if she is still affected by being forced to fight Touma, saying that even if she cannot accept how it ended and even if it was based on Touma's reasoning she cannot understand, she cannot complain after she lost, infuriating Leivinia. Silvia continues to tease, comparing her to a little sister that got scolded by a big brother whom she thought would always listen to her, and whom tried to talk things out to her after all she did to him. Leivinia threatens to use her full Major Arcana on her, to which Silvia points out on how Leivinia didn't use it against Touma, knowing that it would give her an advantage, showing a big grin all the while. Brunhild then interrupts, asking about Ollerus, whom Silvia said earlier was preparing. Silvia replies that he is dealing with their true purpose, one that has nothing to do with Fräulein Kreutune, and told them that the preparations are complete.

GREMLIN Invasion of Tokyo
Touma wakes up finding Leivinia and Lessar sleeping with him in the bathtub. As he tries to escape the situation, Index finds out and proceeds to bite him

Leivinia ends a conference call with the allied nations and says that the preparations are complete. As they were eating their breakfast, Leivinia explains the reason they came to Japan and that they need Touma's help, to which Touma refuses at first but then agrees after the threats and explanations from Leivinia. She then tells them the location of GREMLIN's headquarters..

She then tells them that they will be heading to District 23 and that she has spoken with one of the twelve board members to prepare a supersonic passenger plane for them should they know the exact location of Sargasso. Touma then tells her that he needs to go to class due to his absences, to which Leivinia replies that she must go with him wherever he goes and she will let him go to class only if he will let her sit on his lap. Touma then gives up and follows them. As they are waiting on a bus stop bench, there Lessar begins clinging to Touma while Leivinia sits on his lap. Mikoto sees them and uses her ability to make the bench fly over the river. Mikoto then demands an explanation from them.

Leivinia and the others are at District 23 and then proceeds to shop for swimsuits so as to prepare to go and hide to a resort after defeating GREMLIN, since they would likely be the target by the churches after everything is finished. Leivinia and Lessar insist on going in the "50% Less Skin Covered" swimsuit store, to which Touma refuses and instead suggests to come to a vote to which store they should go. Leivinia then uses her large personnel network connection (Dawn-Colored Sunlight) to gather votes to which she just receives a short displeasing message from her subordinate Mark Space. Touma wins and they proceed to the other swimsuit store (Tropical Bright Girl).

Leivinia then receives word that Sargasso has already been located as the GREMLIN invasion of Tokyo begins. She then tells the group that Sargasso is located in Tokyo Bay near Academy City. Leivinia and the others then quickly proceed to board the supersonic passenger plane en route to Sargasso. As the plane leaves Academy City, it was sliced in half by a giant dragon. Leivinia and the others are then mercilessly thrown out into empty air.

Leivinia along with Lessar and Kumokawa Maria lands on a certain shopping district in Tokyo. They then sense a low rumbling sound and proceeds to a nearby building. Immediately afterwards, two waves of people suddenly meet up in the narrow intersection as if colliding. Leivinia then realizes that GREMLIN just made a human wall so as to clog the streets and sidewalks to hold back a much larger framework. Leivinia, Lessar, and Maria decides to use the rivers, as such they went into a random manhole to go through the sewers. They are then attacked by the Muspell but Leivinia and Lessar counters them with their spells.

As Leivinia, Lessar, and Kumokawa Maria travels through the sewer to reach the river, where they are forced to walk through it all the way from Shinjuku to the Takadanobaba area. After exiting into a river, they steal a small military rubber boat as planned. They then sense an odd presence and Leivinia then tells them that the people in Tokyo has turned their anger towards Academy City due to the fact that dragons and the eagles summoned by GREMLIN started to attack creating collateral damage. She then explains that it is part of GREMLIN's plan to "distribute what people stand to gain."

They then meet up with Touma and the others and find that he brought a pregnant girl with him. There is again a misunderstanding in Touma's part to which he explains everything that has happened. Leivinia then starts the boat and the group along with Touma proceeds to GREMLIN's base. As they approach the base, they are suddenly attacked by the giant dragon summoned by Freyja earlier. As Leivinia and Lessar prepare a counter-attack, the dragon is suddenly defeated by Kihara Kagun. Maria then tells the others that she will accompany Kagun until he finally dies to which the others agrees to leave her.

Leivinia and the others then continue to approach the base. A giant mountain-like shadow suddenly appears in the gray fog surrounding them and then proceeds to attack them but it is defeated by Thor (Ollerus in disguise).

They later bear witness to Othinus becoming a perfect Magic God, due in part to the efforts of Ollerus and Fiamma of the Right not knowing that she need only to fail or succeed 100% to unify her infinite possibilities to become a magic god. Moreover, they later see the result of their failure, Othinus summoning Gungnir from her eye socket. They are left behind by Touma as he desperately tries to charge towards her, but all is in vain and the world is later destroyed.

Shifting and Fluctuating World
After Othinus concedes the world to Touma, she recreates his original world using the Imagine Breaker. The group that went to Sargasso with Touma are back as well, unaware of what had transpired, and are about to face Othinus immediately after her confrontation with Touma in the Black World. With Othinus having lost Gungnir to Touma, she faces her fate in Touma's world. Index calls out to her, telling her that they won't let her get away with what she had done. Mikoto then speaks up, saying she won't hold back after Othinus got her mother involved. Lessar speaks as well, complaining about her and GREMLIN causing chaos. Finally, Leivinia says that she should be crushed right away otherwise she would go hide somewhere and cause problems later. The group later attacks Othinus with Touma still dumbfounded with Othinus' decision to bring him and his world back, causing her to be knocked backwards. Finally, after Touma asks Othinus if she knew of her fate when she saved him, the girls with him are surprised by his outburst. Touma later runs toward Othinus, all the while they try to call towards him. The group later witness Touma defending Othinus from the attack of the Anti-GREMLIN Alliance using magic missiles.

VS the World
Immediately after stopping the international coalition's magic attack on Othinus and declaring his intention on saving her even at the cost of making the world his enemy, Touma and Othinus spirits away from the group and vanish.

Index, Mikoto, Leivinia, and Lessar are flabbergasted by what happened as they are completely ignorant of what had transpired in the many worlds of suffering that Othinus created to break Touma's heart. With Touma and Othinus gone, they start forming conjectures of why Touma made a complete 180 the moment he arrived in Sargasso. Leivinia assumes that Othinus may have messed with him as she is a magic god, though they actually don't know what she can or can't do. In the meanwhile, Index keeps quiet as she contemplates the likelihood on what had happened, for she has 103,000 grimoires and from her position could predict what a magic god was and a magic god could do.

Leivinia says that in any case they must get Touma away from Othinus for though he is somewhat special he will be danger when the coalition army attacked and get caught in the crossfire. Lessar however takes this chance in teasing Leivinia, saying that she may be upset that someone took her "big brother" from him. While they are all preoccupied with themselves, Academy City sends out a message to all Level 5s, Mikoto included, to kill Magic God Othinus and Kamijou Touma.

Mikoto and Lessar later leave to deal the situation regarding Touma on their own. However, Leivinia and Index joined forces to construct their own lance, under the rationale that only a phenomenon extracted from a magic god can kill a magic god. Moreover, Index divulges to Leivinia what might have happened between Touma and Othinus: that she had become a complete magic god and that she and Touma fought somewhere. Still however, they could not grasp what had transpired between them.

Later, at the height of the manhunt for them as Touma and Othinus try to cross the bridge leading to Funen, they are met by Leivinia and Index. Leivinia says to Touma that she will not bother with questions she will defeat them and restrain them as quickly as possible since they consider Othinus as a threat under their rules and already assumes a battle stance. Touma then tells them if he needs to explain it all over again since he already settled it all to Mikoto. Leivinia and Index suddenly comes to a stop after hearing Touma say that. Touma then tells them that they just have to call Mikoto to explain things so that they don’t need to fight making both Leivinia and Index mad. Leivinia then says that they have the slightest idea on what happened to them back then and she is planning to go easy on Touma and take over for him but what he just said made her mad so they proceed on fighting him.

While on their battle stance, Leivinia tells Othinus that she can fight too if she wants then a moment later, a smaller replica of Gungnir appeared from her hand. Both Touma and Othinus are shocked as when they saw it. Leivinia then explains to them that the 103,000 grimoires contain the possibility of reaching the level of a magic god if used right. Moreover, she tells them that she made some modifications for it to be fit for human use and just produce the same phenomenon as the thrown lance which can be only used once but have enough power to kill a magic god. Knowing the power of Gungnir first hand, Touma warns her that it is not the convenient tool she thinks it is. In spite of this, Leivinia is still adamant with her decision and is making use of all the 103,000 grimoires. Because of this however, the “poisonous knowledge” of the grimoires flowing from Index continually contaminate her mind resulting in headache for her, but she tries to suppress it.

As Leivinia is about to throw the lance, Touma charges forward but dashes right pass her. It turns out that Touma figured out that Index provided the knowledge through her singing and tries to stop her. Touma successfully stops Index, though not the way he intended, as he gropes her chest, startling her and interrupting her singing. The lance then becomes unstable in Leivinia’s grip, resulting in it exploding. Touma is then bitten by Index as punishment. Index then nags on Touma for his lack of delicacy. As both Leivinia and Touma later lie face down on the ground while Othinus pokes on him. Touma asks Leivinia regarding how much they know about what happened to both Touma and Othinus. Leivinia responds by saying a complete magic god won’t bother with mere physical attacks but rather proceed on remaking the world. She then asks Touma on what did he saw in the changed world in which Touma said that nothing much but he learned something very basic which leads him on deciding to save Othinus and that he would never choose to kill a “mere girl” and smile about it. Leivina then responds that he is exactly the kind of person he is and that she is like an idiot worrying about the fate of the world and whether information was leaked to GREMLIN by him. Touma then stands up about to go on their way when Index tries to stop him, still not finished with her scolding, but Leivinia holds her down. She then asks Touma on how he is going to settle it to which Touma responds that he will neutralize Othinus’s power then hand her to America. She then asks Touma if there is a way to do that and Touma says that if there is none, he would have been broken long ago. And so, Leivinia decides to hold down Index since if she comes with him, Index would perfectly memorize the trump card in defeating a magic god and thus the threat around her would rise to the next level. Touma then asks Leivinia to look after Index to which she agrees.

World Rejecter Arc
While Kamijou Touma and Kamisato Kakeru seem to about to clash, they are interrupted as they are attacked by two amorphous creatures, a black one and a red one. After working together with Kakeru to fend the creatures off, Touma runs away to safety. Realizing he dropped and left his shopping bags after being confronted by Kakeru and being attacked by the creatures, he returns back to the spot where they were attacked. After finding his bags and leaving them to a family of cats, he notices something in the darkness and finds a red carpet on the ground similar to the skin of the red creature. Looking closely at it, he finds Leivinia unconscious underneath the carpet. He takes her back to his apartment after finding her while she is still unconscious. Touma and the company of Othinus, Index, and Nephthys inside his room discuss to figure out what is the material that is covering her. They then mention and talk about an African Cinderella story. In the story, a princess is forced to wear an ugly animal skin. It was said that everyone found her repulsive because of it, but it kept the men from attacking her and a beautiful princess filled with a mystical power was raised within the skin. They question why a Western magician like Leivinia is looking into African legends and wonder what kind of situation she is in to find herself at this point. As Index describes the properties of African legends which involves things like sacrificing a piece of oneself in order to heal another, in other words cannibalization, she points to the center of Leivinia's chest. Leivinia then wakes up and grabs her hand. After waking up, she says to Index that she has more than her. Confused, Index sees that her hand was pointing towards Leivinia's chest and realizes that Leivinia was teasing her about her chest size. They then proceed to argue. After waking up, Leivinia stands up and forces her way into the kotatsu everyone is sitting in right next to Touma, complaining she has had her spot stolen. Leivinia then says that she will explain her situation from the beginning. Before doing so, she looks over to Touma and requests for him to not touch her chest. While Touma is flabbergasted at her request, she says that it is a personal issue that she is involved in. Leivinia then says that the reason she is here is because of her sister Patricia. She goes on to explain about her little sister. Even though she is a Birdway, Patricia is described as someone that's not a magician. Leivinia's description reveals that Patricia is apparently a genius where she has a PhD, has worked on University Projects, is sponsored as a guest researcher in Academy City, and has had many papers published. Touma speculates that Patricia must have a sadist personality much like her sister but Leivinia confirms that she is her polar opposite, much to his joy which Leivinia is upset at. Leivinia goes on to confirm that the other black amorphous creature was indeed her sister. She explains that her sister caught the parasite when she was out on a research trip in Antarctica. Leivinia says she tried her best to find a cure to it but to no avail and that was why she turned to African legends. Leivinia explains that the parasite has dissolved all of the fat in Patricia’s body and slips inside the empty space to maintain her human silhouette where it handles the storage and distribution of nutrients that the fat would have. She says that trying to extract it will make it go nuts and tear her body to shreds. Or even if they managed to extract it, she says that all would remain would be her sister's husk. So in order to save her sister, she takes off her blouse reveals that she's fostering a new organ in her body in order for her sister to eat to heal her.

After showing the organ, Leivinia says that corn is often used as threads for sewing up wounds because they attach and fuse to the human body so they do not need to be removed and so that is what her organ is based off of. Index adds that African magic often uses dolls of wheat as a sacrifice. Leivinia nods at Index's explanation and says dolls of wheat are often used as a substitute in the place of dolls of flesh since they are often harder to obtain. With that, they've learned how to make use of dolls made of wheat and corn for the same effect. After finishing her explanation, Leivinia says that her throat hurts and on instinct calls out for Mark to make her a Shirley Temple. Realizing that Mark isn't there with her and catching herself, she clears her throat and tells Touma that as a duty to his guests, he needs to make her a Shirley Temple. Touma says that they don't have any ingredients for food and Leivinia complains how something like this was unsuitable in which case Touma complains back that their fight was the thing that caused him to lose the ingredients. They try to focus back on the issue about Kamisato Kakeru but the problem is Patricia. Not wanting to get her sister involved in the Magic Side, she says that it will probably not make sense from her sister's point of view to eat an organ fostered inside of her without any explanation. Posing a question to Touma about her sister's whereabouts, she says that there could be another problem if her sister was with Kamisato Kakeru right now. Leivinia is then later found standing outside of the apartment on the balcony by Touma. He comments and thinks that Leivinia is sulking because of the lack of hotpot to which Leivinia is flabbergasted at his obliviousness. She begins to rant at him but then stops and says that complaining is not going to change anything about him. Walking back together into his apartment, they find Index, Othinus, and Nephthys watching TV where there were food commercials on. The girls start breaking down to hunger and complain to Touma about the lack of food. Leivinia reprimands them by saying a Magic Grimoire Library and a Magic God should be able to control their hunger. As Leivinia looks back over to Touma, she sees him looking down in silence and asks what's wrong. Even though he knows he's adding fuel to the fire, he says he can't keep quiet and slips a hand into his pocket and says that he still has a vacuum sealed fish sausage back from lunch earlier in the day. Before he could finish his sentence, the girls run over to devour his sausage.

After that whole debacle, Touma complains in an exasperated manner about what they're going to do about dinner since supermarkets and restaurants are starting to close and that they'll be stuck with convenience stores and gyudon shops. Leivinia dismisses his opinion and just says that he is weird. While everyone is still in the kotatsu and watching TV, they ask what are they going to about food. They say they can't risk going out for food without running into Kamisato Kakeru again. Touma makes a suggestion that they don't even need to leave their dorm as he could just go over and ask Tsuchimikado who is his neighbor for food. Touma leaves before getting caught by Kakeru and having a quarrel with him.

Returning back to his room, he tells everybody that Kakeru and his Kamisato faction are going to be there soon. He looks over to Leivinia and asks her what she's hiding from him. She tries to deny anything saying why is he believing anything that Kamisato has told him. Touma doesn't say anything else and only stares at Leivinia. As she breaks underneath his stare, she says that there is something that she hasn't told him. She says that getting her sister to eat the organ will resolve the issue. But then she says that the fruit will burst inside of her by the time the fruit is complete, killing her. That was why she didn't want to tell Touma or anyone from her cabal if they knew that this method had a 100% chance of her death.

As the lights go out in his apartment and the Kamisato faction attacks, the black amorphous creature of Patricia breaks into the apartment through the roof over the kitchen and attacks them. Leivinia blocks the attack and says that Touma should focus on getting everybody else out while she handles her sister. He begrudgingly accepts her request and tells her to meet up with him to where they first met in which Leivinia responds that he makes things sound more romantic since the last time she saw him.

Leivinia morphs into a creature as well as she takes on her sister. Leivinia and Patricia are later found clinging onto the vertical wall outside of the student dorm as they fight. Suddenly, Touma jumps off from the top of the roof in order to reach them. Leivinia and Patricia start firing spears at the falling boy but they disappear as Kakeru makes them disappear with his World Rejecter. Touma hits Patricia with his Imagine Breaker and grabs her as she bursts out of the black mass. The red creature starts going after them but then suddenly stops. Touma looks back and glimpses a human will there and assumes it was a sign of trust from Leivinia.

As Leivinia morphs back into a human, she is in disbelief at the miracle that has happened as she sees that Patricia is okay now from having the Shoggoth removed inside of her thanks to the sacrifice of Nephthys but she accepts it. Now that the threat to Patricia's life has been resolved, Leivinia rips out the fruit in her chest now that she no longer needs it to save her sister. As Touma and Kakeru are about to begin their clash again, she backs away with Othinus and Index as she holds her sister.

Coronzon Arc
During the Crowley's Hazard invasion of the United Kingdom, she and Lessar were hired as couriers to transport one of the Divine Mixtures, Wadjet-Leto, to the British Museum. While driving through London on a scooter, they accidentally hit Kamijou Touma, who was being pursued by the Female Knight. Before they could escape, the two were incapacitated by the arrival of Index and Karasuma Fran. Touma then had them tell him about the cargo they were transporting and after learning the details, he promptly destroyed Wadjet-Leto with Imagine Breaker. Following the activation of Isis-Demeter and the arrival of Aleister Crowley, they made themselves scarce.

Later that night, at the same time as the reproduced Golden Dawn were pursuing the royal family on the roads between London and Scotland, Hamazura Shiage encountered the two girls refuelling Lessar's scooter at a service station and arguing over the bill. The two were bemused at the sight of the reproduced Dion Fortune and on learning Hamazura was planning to see Mathers, Leivinia insisted they go to see him as well. The two reconsidered their initial transport plans when Hamazura pointed out the impracticality of attempting to get to Scotland on a scooter.

Christmas Day Arc
On Christmas Day, Birdway and her cabal were performing their own investigations and responses to the problems caused by R&C Occultics, with some of the work sub-contracted to Lessar. She remotely spoke to Stiyl at the site of George Close's attempted attack on the London Stock Exchange, relaying their findings on the culprit and the treasures which Anna Sprengel had used to construct her company.

Toaru Majutsu no Index SS: Stiyl
She encounters Touma in a random discovery of a certain organization's meeting and which involves him in a misunderstanding which makes her group to think of him to be a spy from a rival organization. She is later revealed to be the leader of the said organization, called the Dawn-colored Sunlight, despite her age.

Toaru Majutsu no Index SS: Norse Mythology
Leivinia has gathered her forces to attack Orlentz Trice's vaults containing his assets and the plantation for his magical plants. He was a person who was researching on immortality. Here, Leivinia and Mark Space traveled in a ship that is carried by a "passage" towards where he is. She meets Kanzaki Kaori, and they obviously don't get along, both at their necks, and itching to fight. Mark Space doesn't follow Leivinia's orders and shows them the folly of fighting, as they are currently in space.

While still traveling, Leivinia passes the time by playing video games with Mark Space, which she remarks that he is terrible at it. She then asks Kanzaki if she can play it, but Kanzaki states that she has no interest with those kind of things. This inadvertently leads Leivinia to insult her by calling her an old woman, irritating Kanzaki. But Mark Space calms them down by threatening to vomit in zero gravity. Leivinia opts to play games while explaining their job to Mark Space, to which Kanzaki also joins in with the conversation. They discussed about Orlentz's experiments. Kanzaki was originally not told how Orlentz plans to achieve immortality, but Leivinia explains that he plans to make use of the protection on original grimoires, and put it on humans. This, of course is dangerous for Orlentz too, but it appears that he doesn't care. It also appears that he's not doing this for any particular reason, he's just crazy.

During their trip, Kanzaki and Birdway kept on wanting to fight each other because even though they share the same objective right now, the Church and Leivinia's "organization" have always been enemies of each other. Also, Leivinia kept on referring to Kanzaki as an old lady and one who only knows how to shake her boobs during battle. Kanzaki also implicitly makes fun of her for being a kid. Much of the trip is spent by Leivinia to annoy Kanzaki.

When they finally arrived, Orlentz was waiting outside with a guard plate enforced with the protection used in grimoires that he plans to use as protection against Kanzaki and Leivinia. However, as soon as they arrived, Kanzaki and Leivinia started fighting each other. The force blew up the container from the inside and knocked down Orlentz. While injured, Orlentz asked "Didn't you guys come here to defeat me?", then Kanzaki and Birdway both replied the same thing, telling him to shut up and will deal with him later, as Kanzaki and Leivinia reached the limit of their tolerance towards each other.

Toaru Majutsu no Virtual-On (game)
Leivinia Birdway appears as a non-playable character in the Toaru Majutsu no Virtual-On video game.

Abilities
As a leader of Golden-style she should be able to create a temple following set laws and the quality, element, and directionality of the power being used is decided on. Once that is done, Hebrew letters are used to provide imaginative power and a temporary guardian that possesses Telesma is prepared.

She seems to personally cast aside such processes for her magic. However, Leivinia's magic is apparently spontaneous or does not rely on the strict techniques of spells or ceremonies, and instead she uses shortened and simplified techniques. However, these are all calculated actions, where Leivinia Birdway accurately repeats the proper technique, arranged to cover her weaknesses and limits. Using precise movements that are actually magic symbols and repeatedly training, Leivinia can boost her magic through those movements.

Her magic name is Regnum771 which means "kingdom" in Latin. With this, it seems to fit in quite well with the philosophy of her cabal, which is to analyze the leaders and charismatic people in order to search out the best course with which to seize the core of world.

Symbolic Weapon
Her Symbolic Weapon known as the Wand of Swords and Cups (剣と杯の杖) is a wooden wand that Leivinia Birdway uses to cast magic based on the four elements.

It initially looks like a wooden wand that opens up like a flower (continuing with Haimura's theme of plant-like wands), and can change from a wand into a cup, a sword, and a disc, to use elemental magic of fire, water, wind, and earth respectively. It also seems to work even when it is broken.

Forms

 * Wand (棒): It is the initial form of her symbolic weapon. Spinning the wand once allows for flames to be shot out along a path, which will then grow into a giant wall of fire. It was in this form, as well as having a pocket watch coiled around it that allowed Leivinia to defeat Cendrillon using fire to represent dawn.
 * Cup (杯): Leivinia can change the weapon into a cup in order to use water magic. Also representing one of the suits in the minor arcana of tarot, Leivinia can summon a wall of swirling water that stretches upward. Once it reaches a set height, it stretches out in an even disk, which can look like an umbrella or a tree. There, it then shoots out water daggers that fall in every direction around Leivinia.
 * Sword (剣): Leivinia can transform her weapon into a sword, which represents wind. When swung down, a wind sword appears and can apparently even sever a human arm from the body. If needs be, Leivinia can amplify the wind sword with powerful magic. Also, she was able to compress the blazing wind created by the Muspell around her sword and neutralize it by using the following chant: "The color is yellow, the shape is a dagger. With the action of defense and the symbol of flow and change, one of the five great internal symbols of my temple shall be contained in my hand!!".
 * Disc (盤): Leivinia can presumably change her weapon into a disc, as she was able to summon a stone pillar from the ground, as well as stone daggers, an attack where she blend a real knife into, in order to catch her opponent off guard.

Major Arcana Tarot Cards
Leivinia Birdway is apparently able to use the full set of Major Arcana Tarot. A combo of all 22 cards starting from the Fool up to the World can apparently temporarily boost her parameters and allow her to make supersonic movements.

Cards

 * The Hanged Man: Currently the only known card that Leivinia has shown to use. Through the use of Aleister Crowley's version of the card, it's the symbol of the death of the Son of God, who represented an age. It was originally not a symbol of execution, but Leivinia can intentionally misinterpret it, thus making it compatible with things like piercing the body, such as bullets. It is used by Leivinia to divert the damage done to her by guns towards the tarot card instead. Presumably, any piercing damage that is dealt on her if she chooses to use the misinterpretation of the card is diverted towards it.

Other magic

 * Summoned Explosion: Using accurate intuition and measurements made by eye rather than relying on accurate theories and calculations, she is able to accurately use the right amount of Telesma without giving it form to create a series of dome-shaped explosion attacks. It is said that without the proper knowledge, a magician using this kind of magic will probably be swallowed by their own attack.
 * Steel Blade: Leivinia summons a steel blade that rotates a like a giant electric fan to attack the opponent.
 * Electric attack: Leivinia summons an electric attack that bounces like a pinball in an area.
 * Food Creation: Leivinia can create food like biscuits with magic. She does this by quickly drawing an exceedingly simplified charm into a memo pad and then tapping her finger on the center of the charm. According to her, inferior magicians like the ones from Exit of the Evening Dusk need to sacrifice three whole children just to make a single similar charm, while it only takes her about 15 seconds to draw one.
 * Gungnir: Drawing on the knowledge of Index's grimoires, Leivinia was able to construct a version of Gungnir fine-tuned for human use, lacking many of the powers that Gungnir possesses. Referred to as an Imitation Divine Technique (模倣神技), it is only capable of recreating a high-quality phenomenon regarding Gungnir's use as a throwing lance. In order to recreate this phenomenon, she has to draw out information on it from the minds of those know it by continually receiving knowledge from Index's grimoires despite the danger they pose - interrupting the connection will destroy the lance. If it successfully reproduced the phenomenon of the throwing lance, the world would likely be destroyed, as with the real Gungnir.
 * Cannibalization: A hybrid technique which Leivinia developed using aspects from in order to save her sister from Sample Shoggoth. Aspects of the technique include the consumption of body parts to restore sick corresponding parts and the use of corn dolls as sacrificial substitutes. It grows a corn-based organ within the user's body, a fruit to be fed to another once ripe to heal them and like corn starch used to close wounds in medicine, break down and fuse naturally, not needing to be removed later. An animal dress based on the story of Nya-Nya Bulembu (ニャニャブレムブ) is also worn to foster growth while providing defense and concealment. The growth of the organ puts a strain on the user's body that threatens their life, likely killing them as it reaches completion.

Equipment

 * Flintlock pistol (フリントロック式の銃): Disliking modern guns from the science side, Leivinia prefers to use a Flintlock pistol, apparently liking its contours, and the time she spends loading the bullet.

Design Evolution
Leivinia's design remains the same since her appearance in the side story. Despite being twins with Patricia, Leivinia has a stark difference of design from Patricia. Haimura also designed Leivinia wearing high-heels to mark her as the elder sister.

Trivia

 * According to the interview on Kamachi Kazuma featured in "Toaru Majutsu no Index no Subete", he states that his favorite character is Leivinia Birdway.
 * According to Kamijou Touma, Birdway's voice is somewhat similar to Othinus's voice.

Quotes

 * (Index SS: Styl) “Oh, do you know him? He kept going on about misfortune, so I decided to show him a thing or two about real misfortune. He turned out to be pretty tough and he’s fun to play with.”--- To Styl as she refers about a certain "hot-headed idiot"
 * (Index SS: Mark Space) “Agh, shut up! I told you it wasn’t me. If you’re going to make so much noise, at least make it due to your screams. …Oh, I just can’t wait. Just imagining how the fool who defied me will twitch around is enough to get me excited.”--- To Mark whom she is about to punish for insubordination
 * (Index SS: Norse Mythology [Kanzaki SS]) “Don’t tell me you think I would be defeated by some woman with huge tits? All she can do in battle is please men as they bounce around.”--- Referring to Kanzaki in front of her
 * (Volume 22) "Now, the time has come for a bombardment of the people, by the people, and for the people!! Let’s make this flashy, baby!"--- To the people as she helps in destroying Fiamma's golden arms
 * (NT Volume 1) "You’ve just keep prattling on, don't you? Before you start speaking so self-importantly, don’t you have the important job of bowing your head to those you need to bow down to? Really, how many people do you think you’ve made cry?"--- To Touma after she just kicked him between his legs
 * (NT Volume 1) "I am Birdway... I am Leivinia Birdway of the Dawn-Colored Sunlight. As you can see, I'm the boss of a magic cabal... Welcome to the entrance to a new world, children who have been made ignorant by science."--- To Hamazura and Accelerator
 * (NT Volume 3) "I don’t recall ever saying I stood on the side of justice, boy."--- To Touma after all that happened in Hawaii
 * (NT Volume 6) "I have always wondered how Academy City is able to control someone like you. The biggest threat you hold is not the power of your right hand or even that which is hidden within. Nor is it the precognition you have gained from your past experiences. Even with a right hand that can negate supernatural abilities, a normal person would not be able to accomplish much. The hand itself cannot burn anything or gather any information. And yet you have left accomplishments behind. You did not join in because of that right hand. It was you who made use of the power residing in your right hand."--- To Touma during their battle
 * (NT Volume 6) "...You need to be careful from now on. What you hold is not good or evil. You hold the seeds to a great wave that cannot be described in those terms. Perhaps it is the same thing that was once brought to bloom by the man who built up a city of steel and electricity or the woman who smiles thinly in the depths of an old cathedral. Or perhaps it is something that will swallow up even that giant flower. If you can completely grasp it in your hand, it will give you great power, but if you cannot, it will be indescribably disastrous for you."--- To a Touma lying on the ground
 * (NT Volume 8) “Don’t be shy, boy. You actually want to head in the direction of more skin, but you’re hesitant to boldly suggest it yourself, aren’t you? Don’t worry. We will give you the justification you need. Okay?”---To Touma in a state of panic
 * (NT Volume 8) "The color is yellow, the shape is a dagger. With the action of defense and the symbol of flow and change, one of the five great internal symbols of my temple shall be contained in my hand!!"---As she changed her wand to a sword and countered the Muspell
 * (NT Volume 10) “I should have known. This is exactly the kind of person you are! Goddammit!! I was thinking about the fate of the world, the leader of Gremlin, when you had a chance to communicate with them, and what information you could have leaked to them! But now I feel like an idiot for taking it all so seriously!! Because she’s a ‘mere girl’, hm? You really are hopeless, dammit!!!!”---To Touma after the fight
 * (NT Volume 10) “From the looks of it, he watched the destruction of the world. Yet even that wasn’t enough to change him.”---Regarding Touma

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Leivinia Birdway