Progression route

The Path to Isaac's Tomb

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The path to unlock Isaac's Tomb in The Binding of Isaac has 4 steps.

4 requirements remaining0%

Path progress

Paths end with clear instructions for actions that cannot be tracked automatically.

Next steps

The Fettered
Tainted Forgotten
Tainted Forgotten → The Beast (normal)

Isaac's Tomb (Item)

Isaac's Tomb (Achievement)

Tainted Forgotten → The Beast

How to reach The Beast: A Strange Door is unlocked by beating Mother for the first time. Take The Polaroid or The Negative after Mom, escape the boss room, then use it to open A Strange Door. Find Dad's Note, complete the Ascent to Home, then defeat Dogma, the Ultra Harbingers, and The Beast.

Tainted Forgotten

The Fettered

How to unlock: Use Red Key (etc.) to open the hidden closet in Home as The Forgotten

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