Lil Blub
BossRepentanceUnlock unknown
Encounter details
- Game ID
- 901
- Variant
- 0
- Environment
- Boss / Downpour / Dross / boss challenge
- Description
- Lil Blub is a boss added in The Binding of Isaac: Repentance that can appear in Downpour and Dross.
How do you unlock Lil Blub?
Needs researchNo validated unlock requirement has been imported yet.
Lil Blub is a boss added in The Binding of Isaac: Repentance that can appear in Downpour and Dross.
What unlocking Lil Blub leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13