A Boil in the Binding of Isaac: Rebirth (BOIR)

The Boil is a sack-like in The Binding of Isaac: Rebirth (TBOIR)

It starts as a small red tomato and starts growing.

Then, when fully swollen, Boils shoot blood bullets

Strategy Guide/Tips[edit]

  • When Boils get hit, they shrink to a smaller size but will regenerate if not destroyed
  • Boils deal no touch damage
  • Gurdy can spawn Boils

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