Binding of Isaac: Rebirth Wiki
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(in Repentance)

Plum Flute is an unlockable activated item added in The Binding of Isaac: Repentance.

Effects[ | ]

  • On use, summons Boss Baby Plum ingameBaby Plum to fight for Isaac in the current room for ~10 seconds.
    • Baby Plum will always twirl, jump, then spit blood and bounce around the room before waving goodbye and flying away.
    • Baby Plum does 12 contact damage per tick (24 per second), 3.5 damage per shot, and 2 damage per tick with creep (20 per second).
  • This item belongs to the BeelzebubBeelzebub set. Collecting three items from this set will transform Isaac into a giant humanoid fly.

Notes[ | ]

  • If Isaac goes enough time (about half a minute) without hurting Boss Baby Plum ingameBaby Plum during a boss fight, she will fly away and leave behind a Plum Flute on the Boss Room pedestal.

Synergies[ | ]

  • Collectible Angelic Prism iconAngelic Prism: Boss Baby Plum ingameBaby Plum's shots that pass through the Prism will be split into four.
  • Collectible Book of Virtues iconBook of Virtues: Spawns a wisp on the middle ring, resembling Baby Plum. When the Boss Baby Plum ingameBaby Plum spawned from using Plum Flute bounces diagonally around the room, all the wisps will bounce around the room and fire tears behind themselves as well. The wisps are invulnerable while bouncing around the room.
  • Collectible BFFS! iconBFFS! / Collectible Hive Mind iconHive Mind: Doubles Boss Baby Plum ingameBaby Plum's contact damage, but not projectile damage. Plum is also larger.
  • Collectible Car Battery iconCar Battery: Summons two Baby Plums, the Baby Plums start out overlapped but can sometimes split up when using different attacks.
  • Lost CorkLost Cork: Affects Baby Plum's blood puddle.
  • Collectible Sacrificial Altar iconSacrificial Altar: Baby Plum can be sacrificed for free, instead of a familiar. Plum Flute can still be used as normal afterwards.

Interactions[ | ]

  • Baby-BenderBaby-Bender: No effect.
  • Collectible Eraser iconEraser: Plum Flute will still function normally if the boss Baby Plum is erased.

In-game Footage[ | ]

Trivia[ | ]

  • Plum Flute resembles the Poké Flute, an item that appears in various Pokémon games and is used to wake sleeping Pokémon.

Bugs[ | ]

Bug Bug! If Boss Baby Plum ingameBaby Plum is spawned in a Crawl SpaceCrawl Space or Boss The Beast ingameThe Beast fight, she will not properly bounce off walls.
Bug Bug! If Boss Baby Plum ingameBaby Plum is currently active when Character Tainted Lazarus iconTainted Lazarus swaps forms, Baby Plum will vanish. Once Tainted Lazarus swaps forms again, Baby plum will re-appear and continue her attacks.

If she was doing her spit attack, her and her projectiles will end up stuck in place and she will not stop attacking until the player leaves the room.

Bug Bug! If Boss Baby Plum ingameBaby Plum is charmed by Boss The Siren ingameThe Siren, her animation will freeze, she will stop firing bullets, and she will only be able to deal contact damage to Isaac.


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