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Soul of Apollyon

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 631
Description: ???
Requirement: Defeat Hush and Boss Rush as Tainted Apollyon

How do you unlock Soul of Apollyon?

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

Structured pathSource-backed requirements are mapped into trackable steps.

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All of
- Tainted Apollyon → 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 Apollyon
- Tainted Apollyon → Boss Rush (normal)
  - Tainted Apollyon

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What unlocking Soul of Apollyon leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13