Fistula
BossRebirthUnlock unknown
Encounter details
- Game ID
- 71
- Environment
- Boss / Cellar / challenge / boss challenge / boss rush / Caves / Flooded Caves / challenge / boss challenge / boss rush / Degraded Boss / Main path / Small / Caves / Flooded Caves / Depths / Dank Depths / Womb / Utero / Scarred Womb / Cathedral / Medium / Depths / Necropolis / Dank Depths / Womb / Utero / Scarred Womb / Chest / Large / Womb / Utero / Scarred Womb / Cathedral / Sheol / Chest / Alternate path / Large / Corpse
- Description
- Fistula is a boss that can appear:
How do you unlock Fistula?
Needs researchNo validated unlock requirement has been imported yet.
Fistula is a boss that can appear:
What unlocking Fistula leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13