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Arc Almanac

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

All series / A Certain Magical Index / Arc 53

Arc 53 of 66 in A Certain Magical Index

Arc 53: Aleister Crowley

In the story: 11 Dec

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

A threat to Maika forces Touma's group into the Windowless Building. Their climb exposes parts of Aleister's history and the reasons for his plans, making the city's director a direct participant in the confrontation.

Where it sits

Arc 53 in A Certain Magical Index
FormatVolumesUnitsLanguage
Light novel — A Certain Magical Index: New TestamentVol 18Prologue–epilogueJapanese
Light novel — A Certain Magical Index: New Testament—Prologue–epilogueEnglish

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