Rotten Baby
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Rotten Baby is a passive item.
Effect
- Spawns a familiar which spawns friendly Blue Flies in a room with monsters when Isaac holds down a fire key.
- The initial blue fly will target a monster once nearby, in which Rotten Baby will lock its blue flies automatically onto the same one, immediately heading towards and damaging it until it dies.
- This item belongs to the Conjoined set. Collecting three items from this set will transform Isaac into a three-faced version of himself.
Notes
- Spawns one Fly at a time.
- Blue Flies deal 2x Isaac's damage.
- Flies will be generated regardless of Isaac's ability to fire tears normally.
- Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Rotten Baby having the lowest priority at 6th and thus being farther from Isaac than familiars of different priorities.
- Rotten Baby can rarely drop from polyps in the Corpse.
Synergies
- Fish Tail: Rotten Baby will spawn two flies at a time.
- Mongo Baby: Mongo Baby will also spawn flies.
Interactions
- BFFS!: Rotten Baby becomes larger, but this is only a cosmetic change.
- Hive Mind: Fly damage is doubled.
- The Twins: Unlimited flies can be slowly generated by walking back and forth between rooms while firing. A new fly will generate each time Rotten Baby is duplicated.
In-game Footage
Trivia
- This item is used in The Family Man (challenge #19).
- Even though the right side of Rotten Baby's face is decayed, when his sprite faces left, his left side appears decayed as well.
Bugs
Bug! | PC Rotten Baby will be able to spawn more than one friendly fly if the run is left and then resumed. |
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The Binding of Isaac: Rebirth |
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