Multidimensional Baby

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Removed in Afterbirth †Item icon
Added in Afterbirth †Item icon
Item altar
 
Table dividing line 1.png
 
5.100.431
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Devil Room Devil Room
Treasure Room Treasure Room
Greed mode only Devil Room Devil Room
Greed mode only Treasure Room Treasure Room
Table dividing line 3.png
 
Added in Afterbirth †(page 4, column 6, row 4)
Removed in Afterbirth †(page 4, column 6, row 4)
Added in Afterbirth

Multidimensional Baby is a passive item added in the Binding of Isaac: Afterbirth expansion.

Effects[edit | edit source]

  • Spawns a familiar that follows Isaac's path with a 2-second delay.
  • When a friendly tear passes through Multidimensional Baby, the tear splits into two parallel tears that gain a 1.33x speed boost, +4 shot height, and also a visual black and white flashing effect.

Notes[edit | edit source]

  • It is possible to crash the game when combining this item with rapid-fire or multi-shot laser tears.
  • Duplicated tears will deal the same damage as Isaac's tears.
  • If other familiars that move with a similar pattern such as Added in Afterbirth †Shade Shade have been collected before the Baby, it will follow them instead with further delay.

Synergies[edit | edit source]

  • Brimstone Brimstone: If a brimstone laser is shot through the baby, it will double the laser.
    • Azazel's short-ranged Brimstone attack will also be "fired again" from the baby, increasing the range.
  • Cricket's Body Cricket's Body/The Parasite The Parasite: Tears that pass through Multidimensional Baby will duplicate and their split tears will duplicate. Half of the tears fired through Multidimensional Baby retain The Parasite's look and the other half have the flashing appearance.
  • Added in Afterbirth †Haemolacria Haemolacria: Haemolacria shots will be duplicated and more burst tears will spawn. Burst tears that pass through Multidimensional Baby will also be duplicated.
  • Shooting familiars: Duplicates familiar's tears.
  • Added in Afterbirth †Sprinkler Sprinkler: Tears fired by the sprinkler can be duplicated.
  • Technology Technology: When the laser passes through Multidimensional Baby, it doubles the laser.

Interactions[edit | edit source]

  • ???'s Soul ???'s Soul/Abel Abel/Cain's Other Eye Cain's Other Eye: Familiar tears will be duplicated if they pass through the baby. However, due to their independent movement pattern, it can be hard to achieve duplication.
  • Anti-Gravity Anti-Gravity: Multidimensional Baby will travel the same path as the Anti-Gravity tears, easily doubling any stationary shots. Any moving tears that hit it will produce a normal moving copy, however stationary tears will spawn a copy that will eventually fall to the ground even after the direction is released.
    • Added in Afterbirth † Stationary duplicated tears will release normally.
  • Added in Afterbirth †Baby-Bender Baby-Bender: No effect as Multidimensional Baby only duplicates Isaac's tears.
  • BFFS! BFFS!: The baby is larger, but tears shot through it will not do more damage.
  • Box of Friends Box of Friends: Each copy of Multidimensional Baby follows the previous copy with a 2-second delay. Tears shot through multiple babies will only be duplicated once.
  • Added in Afterbirth †Compound Fracture Compound Fracture: Tears that pass through Multidimensional Baby will be duplicated and cosmetically look like normal tears. Bone shards will not duplicate unless they pass through Multidimensional Baby separately.
  • Dr. Fetus Dr. Fetus: No effect.
  • Epic Fetus Epic Fetus: No effect.
  • Added in Afterbirth †Lachryphagy Lachryphagy: Duplicates tears, which tend to merge after traveling a certain distance, making it easier to feed tears. Burst tears can only be duplicated if the tear they come from didn't pass through the baby already.
  • Lil Brimstone Lil Brimstone/Robo-Baby 2.0 Robo-Baby 2.0: Familiar lasers that pass through the baby will not be duplicated.
  • The Ludovico Technique The Ludovico Technique: Spawns another tear that will slowly follow Isaac but cannot be controlled.
  • Mom's Knife Mom's Knife: No effect.
  • Tech X Tech X: No effect.
  • Added in Afterbirth †Trisagion Trisagion: No effect.

In-game Footage[edit | edit source]

Trivia[edit | edit source]

  • The way the tear splits resembles stimulated light emission.
  • In the initial release of Afterbirth, the flashing effect that Multidimensional Baby gave tears was much more intense, and made some players feel nauseous. This was changed in version v1.06.0052.

Bugs[edit | edit source]

Bug Bug!  Switch  Can double Best Friend when it passes through.

Seeds[edit | edit source]

 PC  3BGY TK8J (Treasure room adjacent to spawn, both modes)


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