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(in Repentance)

The Twins is an unlockable trinket added in The Binding of Isaac: Repentance.

Effects[ | ]

Notes[ | ]

Synergies[ | ]

  • Golden Trinket Golden Trinket/Collectible Mom's Box iconMom's Box/The TwinsThe Twins: Each effect/trinket copy stacks granting an additional 50% chance to trigger the effect again per stack. This results in another familiar doubling. This can be the same familiar that was doubled originally. The duplication chance of three or more stacks can go above 100% allowing for even more duplicate familiars or Collectible Brother Bobby iconBrother Bobbys/Collectible Sister Maggy iconSister Maggys to be created.
  • Collectible Sacrificial Altar iconSacrificial Altar: Both the duplicated familiar (if one is available) and Brother Bobby/Sister Maggy (if not available) can be sacrificed for an item reward. This does not remove the trinket, and fully retains its effect.

Interactions[ | ]

  • Movement-mimicking familiars: Duplicated familiars will follow the original on the same delay.
    • In the case of Collectible Shade iconShade, a copy of the familiar will spawn even if Shade was already absorbed by Isaac.
  • Pickup-generating familiars: If they remain duplicated for enough consecutive rooms, they will give a pickup as normal. The following familiars have to be duplicated for the following number of consecutive room clears to give pickups:
  • Collectible 1up! icon1up!: Despite the fact that it can be duplicated, Isaac will not keep the 1up if he dies while it's duplicated.
  • Collectible Bum Friend iconBum Friend / Collectible Bumbo iconBumbo / Collectible Dark Bum iconDark Bum / Collectible Key Bum iconKey Bum / Collectible Lil Portal iconLil Portal: The pickup count of duplicated familiars is not remembered when they go away.
  • Collectible Ball of Bandages iconBall of Bandages / Collectible Cube of Meat iconCube of Meat: Upgrades the familiar instead of duplicating it.
  • Collectible Best Bud iconBest Bud / Collectible Bird Cage iconBird Cage: If the trinket tries to duplicate it, it will instead immediately activate. Taking damage does not spawn another familiar.
    • If this happens to Bird Cage as Isaac walks into a room with enemies, Bird Cage will also leap onto the enemies.
  • Collectible Blood Puppy iconBlood Puppy / Collectible Bumbo iconBumbo / Collectible Guppy's Hair Ball iconGuppy's Hair Ball: The duplicate will always be at its first stage.
  • Collectible Buddy in a Box iconBuddy in a Box: The duplicated familiar will be randomly generated instead of copying the original.
  • Collectible Cambion Conception iconCambion Conception / Collectible Immaculate Conception iconImmaculate Conception: Familiars given by these items can be duplicated as normal.
  • Collectible GB Bug iconGB Bug: The familiar can be duplicated even if it hasn’t respawned; by constantly moving to new rooms, GB Bug can constantly respawn, allowing pickups to be rerolled indefinitely.
  • Collectible Guillotine iconGuillotine: The head can be duplicated, and will give an extra damage and tears up if it is. The extra head will be unable to fire tears.
  • Collectible Hallowed Ground iconHallowed Ground: Duplicate poops will also drop when Isaac takes damage. The bonuses from standing in the aura of multiple white poops does not stack.
  • Collectible Lost Soul iconLost Soul / Collectible Star of Bethlehem iconStar of Bethlehem: The trinket can try to make a duplicate of the familiar, but it will always fail. This reduces the odds of the trinket giving copies of other familiars or prevents it from giving Brother Bobby or Sister Maggy if Isaac has no other familiars.
  • Collectible Mystery Egg iconMystery Egg: The friendly the duplicated egg spawns depends on how many consecutive rooms cleared the duplicate persisted for.
  • Collectible Strawman iconStrawman: Keeper cannot be duplicated, as he is considered a character, not a familiar.
  • Collectible Succubus iconSuccubus: The damage multiplier from standing in the aura of multiple Succubi multiplicatively stacks.
  • Collectible YO LISTEN! iconYO LISTEN!: An extra +1 luck will be given for every duplicate.

References[ | ]


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