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Soul of the Lost

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 628
Description: ???
Requirement: Defeat Hush and Boss Rush as Tainted Lost

How do you unlock Soul of the Lost?

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

Structured pathSource-backed requirements are mapped into trackable steps.

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

Show full path Show missing

What unlocking Soul of the Lost leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13