Key Piece 1

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Item icon
Item altar

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Boss Angel.png Uriel
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Added in Afterbirth (page 2, column 14, line 6)
Removed in Afterbirth (page 3, column 4, line 4)
 
Angels Complete Chapter 6AngelsAngels

Key Piece 1 is an unlockable passive item.

Effect[edit | edit source]

Notes[edit | edit source]

  • The Golden Gate can alternatively be opened using Dad's Key Dad's KeyDad's Key Icon.png2 roomsOpens all doors in the current room when activated, including doors which require a key to open and entrances to secret rooms. Opens the big doors in the first room of both The Chest and the Dark Room., Added in AfterbirthGet out of Jail Free Card Get out of Jail Free CardGet out of Jail Free Card Icon.pngUpon use, opens all doors in the current room (including the golden door at The Chest / Dark Room), similar to Dad's Key. or Added in Afterbirth †Mr. ME! Mr. ME!Mr. ME! Icon.png4 roomsSummons a controllable ghost that can perform various tasks depending on what it targets..
  • This item, along with Key Piece 2 Key Piece 2Key Piece 2 Icon.pngCombined with Key Piece 1, unlocks the golden gate in the starting room of The Chest and Dark Room to fight Mega Satan., can be rerolled into any item from the Angel Room pool.
  • Unlocking the Golden Gate with the combined key pieces and then restarting the floor with Forget Me Now Forget Me NowForget Me Now Icon.pngOne time useWhen activated, the level ends and is freshly regenerated with new rooms, monsters, and items. Disappears after use. or an I AM ERROR room will waste the key, which will not respawn.
  • Will not be rerolled by D4 D4D4 Icon.png6 roomsRerolls all of Isaac's items., D100 D100D100 Icon.png6 roomsUpon use, rerolls all passive items on Isaac like the D4, every pedestal item in the room like The D6, and every pickup like the D20., or Dice Room effects.

In-game Footage[edit | edit source]

Unlockable achievements[edit | edit source]

Trivia[edit | edit source]

  • Added in AfterbirthThis item is used in Challenge #26 (I RULE!).
  • Added in Afterbirth †This item is used in Challenge #35 (Ultra Hard)


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