???'s Soul is an unlockable trinket.
Effect[ | ]
- Spawns a familiar that floats slowly around the room on a zig-zag pattern similar to
The Peeper and fires spectral and homing tears that deal 3.5 damage.
- The familiar shoots once per second.
- The familiar shoots once every 3/4ths of a second.
The familiar shoots once per second.Notes[ | ]
- Unlike The Peeper, ???'s Soul does no contact damage.
- ???'s Soul is unable to shoot while flying over obstacles (which is the same behavior that Ghost Baby has).
Interactions[ | ]
- Box of Friends: No effect; does not duplicate.
- Sacrificial Altar: Sacrifices the familiar, destroying the trinket and generating an item normally.
In-game Footage[ | ]
Gallery[ | ]
The ???'s Soul familiar in-game.
The ???'s Soul familiar in-game compared to Isaac.
 ??? (Character) Unlocks
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 The Lamb Unlocks
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 The Binding of Isaac: Rebirth
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