In-game pickup line
“Rune generator”
Mechanics
What Rune Bag does
- In Repentance the familiar drops a random rune or Soul Stone roughly every seven or eight rooms.
- Each drop is a separate consumable that Isaac can save for a later fight or floor.
Achievement #218
How to unlock it
Defeat Isaac as Lilith.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Pick it up early enough to get more drops from future room clears.
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.
