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Soul of ???

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 622
Description: ???
Requirement: Defeat Hush and Boss Rush as Tainted ???

How do you unlock Soul of ????

In The Binding of Isaac, Soul of ??? is unlocked by earning every normal-mode completion mark as Tainted ???.

Structured pathSource-backed requirements are mapped into trackable steps.

???

All of
- Tainted ??? → Hush (normal)
  1. Defeat Mom's Heart for the 10th time to unlock Blue Womb. source
  2. Defeat Mom's Heart or It Lives! within 30 minutes and enter the door to Blue Womb. source
  3. Defeat Hush in Blue Womb. source
  - Tainted ???
- Tainted ??? → Boss Rush (normal)
  - Tainted ???

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What unlocking Soul of ??? leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13