Cupid's Arrow 
Effects
- Grants piercing tears that travel through enemies (but not obstacles) instead of breaking on impact with them.
Interactions
- (Added in Afterbirth)
8 Inch Nails/(Added in Afterbirth)(Blister) Blister/
Cricket's Head/(Flat Worm) Flat Worm: Reduces knockback effectiveness of these items.
Dr. Fetus: Bombs travel through enemies. When combined with Ipecac, bombs do not explode upon hitting enemies.
Fire Mind: Tears will continue to pierce enemies while retaining the explosion chance.
Ipecac: Pierces through poop and Fire Place, but not enemies.