Butter!
TrinketAfterbirth+Locked
How do you unlock Butter!?
In The Binding of Isaac, Butter! is unlocked by unlocking Butter! (Achievement).
Structured pathSource-backed requirements are mapped into trackable steps.
Using an active item will drop it onto a pedestal on the ground. Taking damage may result in dropping an owned passive item.
How to unlock: Complete 2 Victory Laps by defeating The Lamb
What unlocking Butter! leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13