Slipped Rib
AchievementAfterbirth+Unlock unknown
Achievement details
- Achievement number
- 393
- Description
- Unlocked a new item.
- Requirement
- Defeat Isaac as The Forgotten
How do you unlock Slipped Rib?
In The Binding of Isaac, Slipped Rib is unlocked by earning the Isaac completion mark as The Forgotten (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
How to unlock: It's complicated
What unlocking Slipped Rib leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13