Milk!
ItemAfterbirthUnlocked
familiarGame ID 436★★★★
How do you unlock Milk!?
Verified starting unlockSource data confirms that no unlock is required.
[Before Repentance+] Spawns a glass familiar that follows Isaac. After Isaac takes damage, the milk spills, and he gains -2 tear delay ([Repentance] +1.0 fire rate) until leaving the room / [Repentance+] Spawns a glass familiar that follows Isaac. The milk will block projectiles, and upon blocking 10, the milk spills, giving Isaac +1.0 fire rate for the rest of the floor.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Milk! leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13