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Isaac Progression

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Unofficial fan project. Not affiliated with the developers of The Binding of Isaac.

Game facts are sourced from the Binding of Isaac Rebirth Wiki (CC BY-SA), and each guide links to its sources. Your progress is saved only in this browser.

Achievement

Satanic Bible

Defeat Isaac as Azazel.

In-game: “Unlocked a new item.”

Sources:Achievements Cathedral Isaac (Boss)

0 of 3 doneNext: Azazel

x

Stage 1any order

Azazel
Next up
Make 3 deals with the Devil in one run.
In a single run, take 3 deals from Devil Rooms.
Sources:Achievements Azazel
The Womb
Ready
Defeat Mom.

Stage 2

Satanic Bible
Later
Defeat Isaac as Azazel.
After: Azazel, The Womb