Progression route

The Path to Expansion Pack

Back to details

The path to unlock Expansion Pack in The Binding of Isaac has 6 steps.

6 requirements remaining0%

Path progress

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

Next steps

The Zealot
Tainted Bethany
Tainted Bethany → Isaac (normal)

Expansion Pack (Achievement)

All of

Tainted Bethany → Isaac

Tainted Bethany

The Zealot

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

Tainted Bethany → ???

Tainted Bethany → Satan

Tainted Bethany → The Lamb

How to reach The Lamb: Defeat Satan 5 times to unlock The Negative. The Negative is a guaranteed drop from Mom; take it, then defeat Satan in Sheol and touch the chest to enter Dark Room. Find and defeat The Lamb in Dark Room.

React Flow