Umbilical Cord is a trinket.
Effects[ | ]
When Isaac's health is brought down to half a red heart and no soul hearts, a Little Steven familiar spawns for the current room.- When Isaac enters a room and has half a red heart or less, a Little Steven familiar spawns and will remain until red health is restored to above a Half Red Heart, disappearing after entering another room.
- Characters which cannot acquire red heart containers in any way will always have a Little Steven.
- When Isaac takes damage, there is a high chance to spawn a Gemini familiar for the current room. This effect is stackable.
When Isaac's 
When Isaac enters a room and has half a red heart or less, a Little Steven familiar spawns and will remain until red health is restored to above a Half Red Heart, disappearing after entering another room.
In-game Footage[ | ]
Trivia[ | ]
- An umbilical cord is a tube that is connected to a fetus via the placenta and is used to give nutrients, blood, and oxygen to the growing child.
 The Binding of Isaac: Rebirth
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