Only has an effect when playing as
Tainted Mastema.
On useWhen used at full charge, guaranteed to remove 1 broken heart. When used at less than full charge, there is chance to either remove a broken heart or deal 1 full heart of damage.
The chance depends on the current charge: CurrentCharge / TotalCharges.
Can be used if there's at least 1 pip of charge.
While heldTaking damage gives 1 pip of charge to this item.
If the item fails to remove a broken heart, its charge won't be depleted, allowing it to try again.