Black Feather
AchievementAfterbirthUnlock unknown
Achievement details
- Achievement number
- 197
- Description
- Unlocked a new item.
- Requirement
- Defeat Ultra Greed as Eve
How do you unlock Black Feather?
In The Binding of Isaac, Black Feather is unlocked by earning the Ultra Greed completion mark as Eve (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
How to unlock: Don't pick up any hearts for 2 floors in a row
What unlocking Black Feather leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13