In-game pickup line
“He wants your keys!”
Mechanics
What Key Bum does
- It collects nearby key pickups before Isaac can use them.
- After enough keys, it creates a chest reward.
Achievement #200
How to unlock it
Defeat Ultra Greed as Lazarus.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Keep it away from a key you need for a route door or locked room.
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.
