Bob's Brain

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Font TeamMeat B.pngFont TeamMeat o.pngFont TeamMeat b.pngFont TeamMeat '.pngFont TeamMeat s.png   Font TeamMeat B.pngFont TeamMeat r.pngFont TeamMeat a.pngFont TeamMeat i.pngFont TeamMeat n.png
Item icon
Item altar

 
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Item Pool Treasure Room.png Treasure Room
Item Pool Golden Chest.png Golden Chest
Added in AfterbirthGreed mode onlyItem Pool Treasure Room.png Treasure Room
Added in AfterbirthGreed mode onlyItem Pool Golden Chest.png Golden Chest
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Added in Afterbirth (page 3, column 8, line 2)
Removed in Afterbirth (page 3, column 8, line 7)

Bob's Brain is a passive item.

Effects

  • Spawns a familiar that can be fired towards enemies as a projectile.
    • Removed in Afterbirth Bob's Brain is fired directly from where Isaac is standing.
    • Added in Afterbirth: Bob's Brain is fired directly from where it is located in the chain of familiars behind Isaac, making aiming it slightly more difficult.
  • If it hits an enemy, it deals 3.5 damage and explodes, further damaging and poisoning monsters.
    • The explosion deals 60 damage and the poison deals double Isaac's damage over time.
  • The explosion can hurt Isaac, dealing a full heart of damage.
    • This can make picking up the item a risky choice, as Bob's Brain will always fire, regardless of whether or not Isaac will be caught in the explosion.
  • Once it explodes, it takes a few seconds to re-appear.
  • Added in Afterbirth This item belongs to the Bob set. Collecting three distinct items from this set will transform Isaac into Bob.

Notes

  • Bob's Brain is affected by most bomb modifiers.
  • Bob's Brain only explodes when hitting an enemy, and does not explode upon hitting a fire, poop, or wall. It can destroy poop like normal shots, however.
  • Bob's Brain never launches immediately upon entering a room unless a tear-firing key is released and pressed again, or until several seconds have passed.
  • It is possible to get multiple Bob's Brains to spawn on the same floor by finding one in a golden chest and not taking it
    • Only one copy of the brains will be active at a given time, with another one firing immediately after the first has exploded or starts to return from a miss.
    • Removed in Afterbirth Multiple copies of Bob's Brain will float in the same spot in the familiar line.
    • Added in Afterbirth Each copy takes up their own spot on the familiar line, but only the first one launches out. Respawning brains may end up stacking on top of each other.

Synergies

  • BFFS! BFFS!BFFS! Icon.pngIncreases the size and damage of familiars.: The impact damage is increased to 7 and the explosion deals an additional 25 damage.
  • Added in AfterbirthGlitter Bombs Glitter BombsGlitter Bombs Icon.pngGives Isaac 5 bombs, and makes Isaac's bombs have a chance to drop random pickups or charm enemies when they explode.: Bob's Brain may spawn pickups on exploding.
  • Added in AfterbirthHost Hat Host HatHost Hat Icon.pngA host familiar that sits on Isaac's head and has a random chance to block enemy shots and retaliate with 3 tears. Grants immunity to explosions./Pyromaniac PyromaniacPyromaniac Icon.pngIsaac heals 1 heart instead of taking damage from an explosive source. Adds 5 bombs.: Isaac does not take damage from explosions caused by Bob's Brain.
  • Mr. Mega Mr. MegaMr. Mega Icon.pngGives Isaac 5 bombs, and makes all dropped bombs larger, which have an increased blast radius and increased damage.: The explosion deals an additional 50 damage.
  • Sad Bombs Sad BombsSad Bombs Icon.png+5 Bombs. Upon exploding, bombs shoot 8 tears off in every direction, similar to Tammy's Head. The tears are affected by any tear modifiers Isaac has on his own tears.: Bob's Brain will fire tears upon exploding.

Interactions

  • Bobby-Bomb Bobby-BombBobby-Bomb Icon.pngGives Isaac 5 Bombs, and causes all dropped bombs to home towards the closest enemy.: No effect.
  • Added in AfterbirthBomber Boy Bomber BoyBomber Boy Icon.png+5 bombs. Isaac's bombs will now explode in a large cross-shaped pattern (roughly 5 bombs explosions wide). This also affects troll bombs.: Explosion damage is halved, with no additional explosions.
  • Added in Afterbirth †Duct Tape Duct TapeDuct Tape Icon.pngStops Isaac's familiars from moving.: Bob's Brain stays in place relative to Isaac until it is fired.
  • E Coli E ColiE Coli Icon.pngGives "Turdy Touch" Effect. Enemies that touch Isaac are changed into poop./Flush! Flush!Flush! Icon.png6 roomsChanges all enemies in the room into poop. Does not work on all enemies (Knights and bosses are immune). Instantly kills Dingle, Dangle, and Brownie.: Bob's Brain will explode upon hitting an enemy that has been turned into poop.

In-game Footage

Trivia

  • Added in Afterbirth Three copies of this item are used in Challenge #27 (BRAINS!).


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