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 54

Arc 54 of 66 in A Certain Magical Index

Arc 54: Processor Suit

In the story: 11–12 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

Touma accompanies Aleister in a search for Coronzon's influence within Academy City. Elsewhere, Hamazura finds himself wearing an unfamiliar powered suit and pursued over an attack, with a baby adding another urgent responsibility to his escape.

Where it sits

Processor Suit in A Certain Magical Index
FormatVolumesUnitsLanguage
Light novel — A Certain Magical Index: New TestamentVol 19Prologue–epilogueJapanese
Light novel — A Certain Magical Index: New Testament—Prologue–epilogueEnglish

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