Cain's Eye
TrinketRebirthLocked
How do you unlock Cain's Eye?
In The Binding of Isaac, Cain's Eye is unlocked by earning the ??? completion mark as Cain (Character).
Structured pathSource-backed requirements are mapped into trackable steps.
When starting a floor, 25% chance to gain the effect of The Compass for the duration of the floor.
What unlocking Cain's Eye leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13