Binding of Isaac: Rebirth Wiki
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(in Afterbirth † and Repentance)

Mystery Gift is an unlockable activated item added in The Binding of Isaac: Afterbirth † (Booster Pack #1).

Effects[ | ]

Notes[ | ]

  • The chance to get Collectible A Lump of Coal iconA Lump of Coal or Collectible The Poop iconThe Poop is determined by Luck using this formula:
    • A table showing an example is below. There's no cap, with diminishing returns. At 88 Luck the chance drops to 2%.
Luck Item Pool Poop/Coal
-10 0% 100%
0 83.3% 16.6%
8 90% 10%
  • A Lump of Coal and The Poop are fixed drops, and cannot be changed by having Collectible Chaos iconChaos, holding NO!NO!, and other similar effects.
  • Spawning The Poop will create a poison cloud, as if having used Collectible The Bean iconThe Bean, down to matching the former item's effects.

Synergies[ | ]

  • (in Repentance)Collectible Book of Virtues iconBook of Virtues: Spawns a random wisp. For the rest of the run, a random wisp spawns after clearing a room if the one given by the item was destroyed, including the replacement wisps given by this effect.
  • (in Repentance)Collectible Damocles iconDamocles: When Damocles is activated, a second item will be spawned with adherence to the item pool for the current room. Even if Mystery Gift "fails" and spawns either Collectible The Poop iconThe Poop or Collectible A Lump of Coal iconA Lump of Coal, a second item from the current room's item pool will always be rewarded.

Interactions[ | ]

  • Collectible Car Battery iconCar Battery: No effect, Mystery Gift will only spawn a single item.
  • Collectible Void iconVoid: Like all single-use active items, this item cannot be absorbed by Void. Instead, it will consume and use the Mystery Gift.
    • (in Repentance) Mystery Gift will be absorbed and will spawn the item upon Void's next use.

In-game Footage[ | ]

Trivia[ | ]

  • Mystery Gift is based on this Steam Workshop item by Striped.
  • The appearance and pickup quote of the item is a reference to the game Spelunky, where there is an item called "Mystery Box", with the description "Thanks! I wrapped it up nice for you!"
  • The item's name is also a reference to the Pokémon franchise's feature for distributing event Pokémon.
  • The item having a chance to give A Lump of Coal references Santa's tendency to gift coal to naughty children.
  • The item having a chance to give The Poop references one of Isaac's floor transition's dreams, in which he is gifted poop.

Gallery[ | ]


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