Battle Royale Arc

The Battle Royale Arc is a major story arc of Toaru Majutsu no Index. On Academy's City's Independence day, five faction from the Dark side exploited Anti-Skill’s security vacuum created by the war preparation and advances on their owns agenda. GROUP, ITEM, SCHOOL, MEMBER and BLOCK are the main factions.

The protagonists of the arc are Accelerator, the strongest Esper in Academy City, and Hamazura Shiage, Skill-Out former leader, despite this, the arc resolves in multiple points-of-view from the participants of the bloody and gruesome battle. It is the only major story arc where Touma didn’t appear physically.