Binding of Isaac: Rebirth Wiki
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Binding of Isaac: Rebirth Wiki

Added in Afterbirth †

Parasitoid is a passive item added in The Binding of Isaac: Afterbirth †.

Effects[]

  • Adds a chance to fire an egg sack which spawns slowing creep. If an egg sack hits an enemy, one to two Blue Flies or Blue Spider is spawned.
  • Egg sack tears have considerably higher tear height and consequently, range.
  • Added in Repentance This item belongs to the Beelzebub set. Collecting three items from this set will transform Isaac into a giant humanoid fly.
  • Added in Repentance This item belongs to the Spider Baby set. Collecting three items from this set will transform Isaac into a humanoid spider.

Notes[]

  • Egg sacks will also spawn blue flies or spiders if they hit Fireplaces or invincible enemies like Death's Head and Stoney.
  • The chance to fire an egg sack is affected by luck. It is 15% at base luck (0), but cannot reach 100% at high luck.
  • It is possible to create a large number of Spiders and Flies by repeatedly shooting a closed Host.

Synergies[]

Interactions[]

In-game Footage[]

Trivia[]

  • Parasitoid is a term for when insects' larvae live inside their hosts as a parasite before eventually killing the host.
  • Added in Repentance Parasitoid is one of the only five items that count towards 2 transformations, the other four being Skatole Skatole, The Bible The Bible, Hive Mind Hive Mind and Magic Mushroom Magic Mushroom.


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