In-game pickup line
“HP up?”
Mechanics
What Marrow does
- Grants one empty Bone Heart.
- Three Red Heart pickups spawn when the item is taken.
Achievement #392
How to unlock it
Defeat Mom's Heart or It Lives! on Hard mode as The Forgotten.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Collect the spawned hearts after picking up Marrow to protect the new container.
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.
