Pupula Duplex is a passive item added in The Binding of Isaac: Afterbirth.
Effects[]
- Grants spectral tears.
Tear size multiplier: 2x.- +0.6 tear size.
Notes[]
- Despite their crescent shape, the tears still have a circular hitbox.
Synergies[]
- Godhead: The damaging aura benefits from the increased size significantly.
- Ghost Pepper: The Ghost Pepper fires get to travel further. (Only in Repentance)
Interactions[]
- Brimstone/ Azazel: No effect.
- Epic Fetus: No effect on Epic Fetus.
- The Ludovico Technique: Only tear appearance changes, no tear size up.
- Mom's Knife: No effect on Mom's Knife.
- My Reflection: Tears will spin like boomerangs. This is a purely cosmetic effect.
- Spirit Sword: No effect.
- Tech X: No effect on Tech X.
- Technology: Lasers are much wider.
In-game Footage[]
Trivia[]
- "Pupula Duplex" is said to be a condition in which a person has two irises and two pupils in one eye, without any actual recorded cases. An actual rare medical condition similar to it exists, called polycoria.
- This item's icon is similar to Diplopia.
 The Binding of Isaac: Rebirth
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