Progression route

The Path to Mystery Sack

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The path to unlock Mystery Sack 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

Eden (Achievement)
Eden (Character)
Eden (Character) → The Lamb (normal)

Mystery Sack (Achievement)

Eden → 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.

Eden (Character)

Eden (Achievement)

How to unlock: Complete Chapter 4

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