The Wafer
ItemRebirthUnlocked
passiveGame ID 108★★★★
How do you unlock The Wafer?
Verified starting unlockSource data confirms that no unlock is required.
Most sources of damage that would cause more than one-half heart of damage are reduced to one-half heart instead.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking The Wafer leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13