All series / A Certain Magical Index / Arc 27
Arc 27 of 66 in A Certain Magical Index
Arc 27: Academy City Invasion
In the story: 30 Sep
Arc name chosen by Arc Almanac, because the books don’t name it.
Index I stops before this arc.
Railgun stops before this arc.
Seen by the end of Index II.
Seen by the end of The Miracle of Endymion.
Railgun S stops before this arc.
Seen by the end of Index III.
Accelerator stops before this arc.
Earlier in story order than the end of Railgun T.
Item (episodes 1–2; airing) stops before this arc.
What happens
A member of God's Right Seat enters Academy City in pursuit of Touma. At the same time, Accelerator faces a threat to Last Order, turning separate battles across the city into a collision between magical intervention and underground research.
Where it sits
| Format | Volumes | Units | Language |
|---|---|---|---|
| Light novel — A Certain Magical Index | Vol 12, 13 | Volume 12, prologue – volume 13, epilogue | Japanese |
| Light novel — A Certain Magical Index | Vol 12, 13 | Volume 12, prologue – volume 13, epilogue | English |
| Manga — A Certain Magical Index | Vol 16, 17, 18, 19 | Chapters 97–116 | Japanese |
| Manga — A Certain Magical Index | Vol 16, 17, 18, 19 | Chapters 97–116 | English |
| Anime — A Certain Magical Index | Index II | Season 2, episodes 17–22 | — |
Draft. Not yet checked against the books. Report a wrong mapping.