Slipped Rib
ItemAfterbirth+Locked
familiarGame ID 542★★★★
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.
Spawns a bone familiar that circles around Isaac and reflects enemy shots.
What unlocking Slipped Rib leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13