In-game pickup line
“Projectile shield”
Mechanics
What Slipped Rib does
- The rib orbits Isaac and intercepts incoming projectiles.
- Blocked shots are reflected instead of simply disappearing.
Achievement #393
How to unlock it
Defeat Isaac as The Forgotten.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Keep the rib on the side facing a projectile-heavy enemy.
Reference
Game data and sources
The item ID, quality and pool listings, icon, game-file tags, and short pickup line come from the extracted Repentance files. This effect explanation is an editorial summary checked against the references below. Repentance+ can differ.
