Cain's Other Eye
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 110
- Description
- Unlocked a new item.
- Requirement
- Complete the Boss Rush as Cain
How do you unlock Cain's Other Eye?
In The Binding of Isaac, Cain's Other Eye is unlocked by earning the Boss Rush completion mark as Cain (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
How to unlock: Hold 55 Coins at one time
What unlocking Cain's Other Eye leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13