Umbilical Geode is a trinket in Fiend Folio, a mod for The Binding of Isaac.

Taking damage has a 20% chance to spawn a Gemini familiar for the rest of the room.

Entering a new room when at half a heart or less will spawn a Little Steven familiar that remains until health is replenished above the threshold and the room is left.

Geode Bonus: +10% chance for a Gemini familiar. Little Steven will spawn when on 1 heart or less left, instead of half a heart.

Will always replace Umbilical Cord when playing as Golem.

The following special synergies and interactions for Umbilical Geode have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the trinket description on the mod's external Wiki.
• Download Fiend Folio from the Steam Workshop.