Placenta
ItemRebirthUnlocked
passiveGame ID 218★★★★
How do you unlock Placenta?
Verified starting unlockSource data confirms that no unlock is required.
Grants one full Red Heart container, and a chance to regenerate a Half Red Heart of health every minute of gameplay.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Placenta leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13