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Arc Almanac

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

All series / A Certain Magical Index / Arc 35

Arc 35 of 66 in A Certain Magical Index

Arc 35: Jailbreaker

In the story: Oct

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.

Earlier in story order than the end of Index III.

Accelerator stops before this arc.

Railgun T stops before this arc.

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

What happens

A new detention facility offers a large reward to anyone who can break in and extract a prisoner. The advertised security trial attracts people with competing motives, pulling Mikoto's friends into a contest whose real stakes extend beyond the prize.

Where it sits

Jailbreaker in A Certain Magical Index
FormatVolumesUnitsLanguage
Manga — A Certain Scientific RailgunVol 14, 15, 16, 17Chapters 98–130Japanese
Manga — A Certain Scientific RailgunVol 14, 15, 16, 17Chapters 98–130English

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