Delirium
BossAfterbirth+Unlock unknown
Encounter details
- Game ID
- 412
- Environment
- Boss / The Void
- Description
- Delirium is a boss added in The Binding of Isaac: Afterbirth †. It is the main boss of The Void and the final boss of Ending 20.
How do you unlock Delirium?
Needs researchNo validated unlock requirement has been imported yet.
Delirium is a boss added in The Binding of Isaac: Afterbirth †. It is the main boss of The Void and the final boss of Ending 20.
What unlocking Delirium leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13