Mom's Box

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(except in Rebirth)

Mom's Box is an activated item added in The Binding of Isaac: Afterbirth.

Effects

  • Increases luck by 1 and doubles the effects of certain trinkets while held. When used, drops a random trinket on the ground.
  • (in Repentance and Repentance+) This item belongs to the Yes Mother?Yes Mother? set. Collecting three items from this set will transform Isaac into his mother.

Notes

  • Most trinkets are not affected. (in Repentance and Repentance+) Of the 188 trinkets in Repentance, only 72 have a doubled effect.
  • (in Repentance and Repentance+) This effect stacks additively with Golden Trinket Golden Trinkets; holding one with Mom's Box will cause applicable trinkets to have triple the regular effect.
  • Holding a second Mom's Box by using (except in Rebirth and Afterbirth)Collectible Schoolbag icon.pngSchoolbag only increases luck, the effects of trinkets are not affected further.

Synergies

  • (in Repentance and Repentance+)Collectible Book of Virtues icon.pngBook of Virtues: Spawns a normal wisp with no unique effect.
  • (except in Rebirth and Afterbirth) Gulp! Pill / Collectible Marbles icon.pngMarbles / Collectible Smelter icon.pngSmelter: Trinket effects are still doubled when permanently applied to Isaac.
  • (in Repentance and Repentance+)Broken RemoteBroken Remote: Triggers the Collectible Teleport 2.0 icon.pngTeleport 2.0 effect whenever an activated item is used.
  • (in Repentance and Repentance+)Crystal KeyCrystal Key: Increases the chance of red rooms spawning.
  • (in Repentance and Repentance+)NO!NO!: Prevents items with quality 0 from appearing.
  • (in Repentance and Repentance+)Rosary BeadRosary Bead: Adds 4 Rosaries to all item pools. Upon picking up a Rosary, the effect will end.
  • TickTick: Boss' health will be reduced by 30%. Having the Tick also be golden does not further decrease boss' health.
  • (in Repentance and Repentance+)Hook WormHook Worm / Ring WormRing Worm / Wiggle WormWiggle Worm: In addition to the further stats increase, they have an increased effect on your tear trajectory.

Interactions

  • (in Repentance and Repentance+)Mother's KissMother's Kiss: Grants double the heart containers but only one of them is filled.
  • (except in Rebirth and Afterbirth)Collectible Void icon.pngVoid: Passive effects of Mom's Box are lost if absorbed.

No Effect

These trinkets are not affected by Mom's Box.

Unlockable Achievements

Trivia

  • The item description possibly is a reference to the film Seven (1995) where the climax of the film involves the protagonist asking the question over and over again "What's in the box?".
  • (in Repentance and Repentance+) The item strongly resembles the chest found in Mom's room in HomeHome.
  • (in Repentance and Repentance+) This item is used in (in Repentance and Repentance+) Pica Run (challenge #41).