In-game pickup line
“HP up”
Mechanics
What Mother's Kiss does
- The extra red-heart capacity lasts only as long as Isaac keeps the trinket.
- Dropping or replacing it removes the temporary container.
Achievement #551
How to unlock it
Defeat Mother as Tainted Magdalene.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Check your health before swapping it for another trinket.
Reference
Game data and sources
The trinket ID, 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.
