Infestation 2

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Infestation 2 is a passive item.

Effects

  • Spawns an allied Blue Spider from each enemy that is killed.
  • (in Repentance and Repentance+) This item belongs to the Spider BabySpider Baby set. Collecting three items from this set will transform Isaac into a humanoid spider.

Notes

  • Enemies do not spawn Blue Spiders when killed by anything not controlled by Isaac (environmental hazards, charmed enemies, death upon clearing room, etc).
  • Enemies do not spawn Blue Spiders when killed by Blue Spiders.
  • Blue Flies can also spawn Blue Spiders.
  • Enemies killed by familiars will spawn Blue Spiders.
  • Destroying dead Shopkeeper.pngShopkeepers will spawn Blue Spiders.
  • Destroying normally invulnerable enemies such as Poky.pngPoky will spawn Blue Spiders.
  • Killing Boss Pin ingame.pngPin will give one Blue Spider for each of his segments.
  • Killing Boss Chub ingame.pngChub will spawn a lot of Blue Spiders.
  • Killing a Homunculus.pngHomunculus or a Begotten.pngBegotten will sometimes spawn a Blue Spider for each segment in the chains holding them to the wall.
  • (except in Rebirth) Dark Ball.pngDark Balls spawned by (except in Rebirth) Boss Little Horn ingame.pngLittle Horn can also drop Blue Spiders upon death.

Interactions

  • (in Repentance and Repentance+)Ace Cards: Enemies that are turned into pickups can’t spawn spiders.
  • Collectible E. Coli icon.pngE. Coli/Collectible Flush! icon.pngFlush!: Enemies that are turned into poop can’t spawn spiders.
  • (except in Rebirth)Collectible Jar of Flies icon.pngJar of Flies: Blue Flies spawned by Jar of Flies spawn Blue Spiders, and Blue Spiders spawned by Infestation 2 grant extra flies for Jar of Flies

In-game Footage