Key Piece 1 is an unlockable passive item.
Effect[]
- Combined with
Key Piece 2, unlocks the golden gate in the starting room of
Chest and
Dark Room to fight Mega Satan.
- Increases the chance of finding an
Angel Room.
- Grants a 2.5% chance of converting
Red Heart pickups into
Eternal Hearts.
- This effect stacks with
Key Piece 2.
- This effect stacks with
Notes[]
- This item is a guaranteed drop from
Uriel if not already in possession.
- This item, along with
Key Piece 2, can be rerolled into any item from the Angel Room pool.
- This item also counts as a familiar, meaning it takes up a familiar slot.
- Unlocking the Golden Gate with the combined key pieces and then restarting the floor with
Forget Me Now or an
I AM ERROR room will waste the key, which will not respawn.
- Will not be rerolled by
D4,
D100, or
Dice Room effects.
- Will not be doubled by
Box of Friends
- Picking up two copies with
Diplopia will not double its
Eternal Heart effect.
Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Key Piece 1 having the lowest priority at 6th and thus being farther from Isaac than familiars of different priorities.
Interactions[]
Spindown Dice: Rerolls into
Death's Touch.
In-game Footage[]
Unlockable achievements[]
- The Family Man - Pick up both Key Pieces from the Angels in one run.
Trivia[]
- This item is used in
I RULE! (challenge #26) and
Ultra Hard (challenge #34).
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Items |
Trinkets |
Cards and Runes |
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