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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

Sacrificial Altar

Take 50 Devil deals.

In-game: “Unlocked a new item.”

Sources:Achievements

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Stage 1

Sacrificial Altar
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Take 50 Devil deals.
Take 50 Devil deals.
Sources:Achievements