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-0- Co-op baby
-0- is a Co-op Baby in The Binding of Isaac.
Description
Immune to damage. Leaving the game causes a different baby to replace it.
How to unlock?
Defeat Mom's Heart or It Lives! on Hard Mode as 
The Lost.
History
This baby was added in Rebirth.
External links
- Check out the full list of babies on the external Isaac Wiki.