Finger Bone
AchievementAfterbirth+Unlock unknown
Achievement details
- Achievement number
- 399
- Description
- Unlocked a new item.
- Requirement
- Defeat Ultra Greed as The Forgotten
How do you unlock Finger Bone?
In The Binding of Isaac, Finger Bone is unlocked by earning the Ultra Greed completion mark as The Forgotten (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
What unlocking Finger Bone leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13