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 41

Arc 41 of 66 in A Certain Magical Index

Arc 41: Hawaii Invasion

In the story: 10 Nov

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.

Index II stops before this arc.

The Miracle of Endymion stops before this arc.

Railgun S stops before this arc.

Index III stops before this arc.

Accelerator stops before this arc.

Railgun T stops before this arc.

Item (episodes 1–2; airing) stops before this arc.

What happens

An attack on Hawaii brings Touma and his allies into contact with Gremlin's operations. Their response intersects with the American authorities and several competing factions, making it difficult to tell which apparent allies share the same objectives.

Where it sits

Arc 41 in A Certain Magical Index
FormatVolumesUnitsLanguage
Light novel — A Certain Magical Index: New TestamentVol 3Prologue–epilogueJapanese
Light novel — A Certain Magical Index: New TestamentVol 3Prologue–epilogueEnglish

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