Serpent's Kiss
Effects
- Grants a chance to fire poison tears, each tick dealing damage equal to Isaac's.
- Poison from the shots will tick 2 times.
- Inflicts poison on enemies who make contact with Isaac.
- Contact poison will tick 6 times.
- (Removed in Repentance) Enemies who are killed after they have been inflicted with this type of poison have a 20% chance to drop black hearts.
- (Added in Repentance) Only applies to enemies after being inflicted with contact poison.
- Enemies still can drop black hearts if the poison has worn off
Notes
- Not affected by luck.
- The contact poison effect of this item is identical to The Virus.
- Enemies and bosses with multiple segments, such as Chub and Larry Jr., have a chance to drop multiple Black Hearts.
- The enemy does not need to be killed by the poison or still be poisoned when killed for the Black Hearts to drop.
- (Removed in Afterbirth †) Although Stonies and Shopkeepers can't be visibly poisoned, they still can drop Black Hearts if destroyed after being touched.
- If a boss would have been poisoned, but negates it with status immunity, they can still drop a black heart.
Synergies
- (Removed in Repentance) Dr. Fetus / Epic Fetus: Bombs and missiles may become poisonous, and enemies hit by them may drop black hearts.
- Invulnerability: Contact while invincible poisons enemies (Added in Repentance) Enabling black heart drops
- (Removed in Repentance) Mom's Knife: Enemies poisoned by the knife may drop black hearts.
- (Added in Repentance) Mars: Dashing into enemies will often both kill enemies, and cause them to drop black hearts.
- (Tainted Forgotten) Tainted Forgotten: Especially strong as you are likely to apply contact poison when attacking enemies, giving you black hearts frequently.
Interactions
- Godhead: The Godhead aura cannot inflict poison but the tears themselves may poison enemies on contact.
- (Removed in Repentance) The following interactions are trivial in Repentance:
- Athame / Maw of the Void: The black rings may poison enemies but do not generate black hearts.
- Brimstone: The blood barrage may poison enemies but does not generate black hearts.
- Tech.5 / Tech X / Technology / Technology 2: The lasers may poison enemies but do not generate black hearts.
- (Added in Afterbirth †) Trisagion: May poison enemies but does not generate black hearts.