In-game pickup line
“Gross!”
Mechanics
What Yuck Heart does
- Using Yuck Heart grants one Rotten Heart when Isaac can hold it.
- Rotten Hearts can generate blue flies after a room is cleared.
From the game files
Recharge
Standard recharge4 room clears
Standard room-clear recharge. Batteries and other effects can change how quickly it refills.
Achievement #442
How to unlock it
Defeat Mother as Magdalene.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Use it before clearing rooms to turn the new health into extra flies.
Reference
Game data and sources
The item ID, quality and pool listings, icon, game-file tags, and short pickup line come from the extracted Repentance files. This effect explanation is an editorial summary checked against the references below. Repentance+ can differ. Charge and pickup values shown above also come from the extracted items.xml.
