Umbilical Cord
TrinketRebirthUnlocked
How do you unlock Umbilical Cord?
Verified starting unlockSource data confirms that no unlock is required.
When brought down to only a Half Red Heart, spawns a Little Steven familiar for the current room. [Repentance] Adds a high chance to spawn a Gemini familiar for the current room after taking damage.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Umbilical Cord leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13