Progression route

The Path to IBS

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The path to unlock IBS in The Binding of Isaac has 3 steps.

3 requirements remaining0%

Path progress

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

Next steps

The Soiled
Tainted ???
Tainted ??? → Delirium (normal)

IBS (Achievement)

Tainted ??? → Delirium

How to reach Delirium: Defeat Hush to unlock The Void. A Void portal can appear after a major boss; defeating Hush guarantees one. Defeat Delirium, the main boss of The Void.

Tainted ???

The Soiled

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

React Flow