Where the anime ends, and where the books carry onAnime, manga, light novels and web novels, lined up by story arc

Arc Almanac

21 Oct 2026Draft. Not yet checked against the books.

All series / A Certain Magical Index / Arc 24

Arc 24 of 66 in A Certain Magical Index

Arc 24: Miracle of Endymion

In the story: 15–18 Sep

Arc name chosen by Arc Almanac, because the books don’t name it.

I’ve watched through

Index I stops before this arc.

Railgun stops before this arc.

Earlier in story order than 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

Touma and Index meet Arisa, a singer preparing for a performance linked to the Endymion space elevator. Her talent attracts magical attacks, placing the concert and the people behind the new structure at the center of a wider confrontation.

Where it sits

Miracle of Endymion in A Certain Magical Index
FormatVolumesUnitsLanguage
Light novel — A Certain Magical Index—CutJapanese
Light novel — A Certain Magical Index—CutEnglish
Manga — A Certain Magical Index—CutJapanese
Manga — A Certain Magical Index—CutEnglish
Manga — A Certain Magical Index: The Miracle of EndymionVol 1, 2Chapters 1–9Japanese
Anime — A Certain Magical IndexThe Miracle of EndymionEpisode 1—

Draft. Not yet checked against the books. Report a wrong mapping.