The Harbingers
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 5
- Description
- The horsemen are loose.
- Requirement
- Defeat Mom
How do you unlock The Harbingers?
In The Binding of Isaac, The Harbingers is unlocked by unlocking Mom.
Structured pathSource-backed requirements are mapped into trackable steps.
The horsemen are loose.
Defeat Mom
What unlocking The Harbingers leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13