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Hive Mind

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Isaac Rebirth

A blue fly-spider hybrid. Hive Mind is a passive item introduced in The Binding of Isaac: Rebirth.


Increase the size of Isaac's blue flies and spiders (Not including Forever Alone or Distant Admiration), making them deal double damage to enemies.


  • This item is useless at its own, as it only effects friendly flies and spiders.
  • This item belongs to the Lord of the Flies set. Collecting Hive Mind and 2 fly-based items will transform Isaac into Lord of the Flies.


  • Mom's Wig - Allows Mom's Wig to spawn up to 10 spiders instead of 5, while also retaining doubled damage.
  • The Mulligan/Guppy - Doubles the damage of all blue flies created, greatly increasing the damage output.

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