
IBS
ItemRepentanceLocked
passiveGame ID 725★★★★
How do you unlock IBS?
In The Binding of Isaac, IBS is unlocked by earning the Delirium completion mark as Tainted ???.
Structured pathSource-backed requirements are mapped into trackable steps.
Causes Isaac to throw poop, create buffing creep, or drop bombs while fighting enemies.
What unlocking IBS leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13