Key Piece 2
ItemRebirthLocked
passiveGame ID 239★★★★
How do you unlock Key Piece 2?
In The Binding of Isaac, Key Piece 2 is unlocked by unlocking Angels.
Structured pathSource-backed requirements are mapped into trackable steps.
Combined with Key Piece 1, unlocks the golden gate in the starting room of Chest and Dark Room to fight Mega Satan.
How to unlock: Complete Chapter 6
What unlocking Key Piece 2 leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13