A Boom Fly in the Binding of Isaac: Rebirth (BOIR)

The Boom Fly is a type of Fly in The Binding of Isaac: Rebirth (TBOIR)

Encountered in the The Caves and The Depths

Boom Flies are big flies with tiny wings and large beady eyes. fly diagonally around the room

They deal touch damage

when a Boom Fly dies, it explodes, damaging stuff around it.

Strategy Guide/Tips[edit]

  • Try maintaining a distance from the Boom Flies so that you won't get caught up in the explosions when they die.
  • With correct planning and timing, a Boom Fly's explosion can be used to destroy obstacles or even open up Secret Rooms

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