God's Right Seat Arc

The God's Right Seat Arc is a long over-arcing storyline in the Toaru Majutsu no Index series. It pertains to stories and events related to the organization known as God's Right Seat.

Starting with Vento of the Front's introduction at the end of La Regina del Mare Adriatico Arc, the arc spans several other arcs and events that occur in the timeline up until the defeat of Fiamma of the Right in World War III. Although not often times directly involved in events and story arcs themselves, their influence and effects on the story can be felt regardless.

The God's Right Seat Arc is the second arc personally named by the author and creator, Kamachi Kazuma. The other being the British Royal Family Arc that encompasses the Civil War.

Timeline
List of story arcs and events that fall under the God's Right Seat Arc.

La Regina del Mare Adriatico Arc
Introduces the first member of God's Right Seat, Vento of the Front at the end of the arc.
 * Light Novels: Toaru Majutsu no Index Light Novel Volume 11
 * Anime Episodes: Index II 14, Index II 15, Index II 16

Academy City Invasion Arc
Events of the entire arc triggered by Vento of the Front, and introduces Acqua of the Back and Terra of the Left. Also, references Fiamma of the Right.
 * Light Novels: Toaru Majutsu no Index Light Novel Volume 12 and Volume 13
 * Anime Episodes: Index II 17, Index II 18, Index II 19, Index II 20, Index II 21 ,Index II 22, Index II 23

Skill-Out Uprising
God's Right Seat does not appear, but their actions in the previous arc has allowed Skill-Out to use the strained Academy City defenses to their advantage.
 * Light Novels: Toaru Majutsu no Index Light Novel Volume SS
 * Anime Episodes: Index II 23, Index II 24

Anglican Church–Russian Orthodox Church Prewar Conference
God's Right Seat does not appear, but their actions in the previous arc has forced a conference between the Anglican Church and the Russian Orthodox Church regarding their possible alliances in the event of a war between the forces of Academy City and the Roman Catholic Church.
 * Light Novels: Toaru Majutsu no Index Light Novel Volume SS