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Font TeamMeat B.pngFont TeamMeat B.pngFont TeamMeat F.png
Item icon
Item altar
Key Master Key Master  
Treasure Room Treasure Room  
Added in Afterbirth Afterbirth

(Page 3 , Column 7 , Row 2 )


(Page 3 , Column 7 , Row 7 )

BBF is a passive item.

Effects[edit | edit source]

  • Spawns a familiar that flies around the room in a manner similar to the Boom Fly and explodes on contact with an enemy dealing 60 damage to all enemies within its blast radius, and 10 damage to the enemy it touched.
    • It will respawn 10 seconds after exploding, or upon entering a different room.
  • This item belongs to the Beelzebub set. Collecting three items from the set will transform Isaac into a giant humanoid fly.

Notes[edit | edit source]

  • Most obtained bomb modifiers are applied to BBF as well.
  • The blast can damage Isaac as a normal bomb would.
  • For the first few moments after entering a room, the familiar will do contact damage instead of exploding. This means the familiar will not blow up in Isaac's face if there is an enemy right next to the familiar's starting point. However, it may kill enemies that explode on death.

Synergies[edit | edit source]

  • BFFS! BFFS!: Doubles the contact damage to 20 and increases explosion damage by 25.
  • Hot Bombs Hot Bombs: BBF leaves fire on the floor which will not damage Isaac.
  • Mr. Mega Mr. Mega: The explosion damage increases by 50 points.
  • Pyromaniac Pyromaniac: BBF now heals Isaac instead of harming him.
  • Sad Bombs Sad Bombs: BBF will fire tears upon exploding, dealing more damage to whatever it explodes on.
  • Added in Afterbirth Brimstone Brimstone: BBF will fire brimstone beams in all directions upon exploding.

Interactions[edit | edit source]

  • Afterbirth-exclusive content Bomber Boy Bomber Boy: No cross explosions. Damage from the explosion is halved against the initial target, but others caught in the blast take full damage.

In-game footage[edit | edit source]

Trivia[edit | edit source]

  • The item's name is a reference to the acronym BBW, Which stands for "Big Beautiful Woman".

Seeds[edit | edit source]

 PC  RYLA DX9S (Treasure room adjacent to spawn)

 PS4  ROZM NF2J (Treasure room adjacent to spawn)

 Vita  W2WV-XNKJ (First floor treasure room)

 3DS  PP2A L6ZT (First floor treasure room)

 PC  Added in AfterbirthNormal and Hard Mode Y4JH C0D4 (treasure room adjacent to spawn)

 Switch  D4RZ HJ89 (Treasure room adjacent to spawn)

Bugs[edit | edit source]

Bug Bug! Added in Afterbirth In L-shaped rooms, BBF can sometimes phase through walls.
Bug Bug! Added in Afterbirth † BBF sometimes does contact damage to the Portal without exploding.

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