In-game pickup line
“They are growing...”
Mechanics
What Bat Wing does
- Each enemy kill has a small chance to grant temporary flight until Isaac leaves the room.
- While flying, Isaac can cross pits, rocks, and hazardous floors.
Achievement #304
How to unlock it
Defeat Ultra Greedier as Azazel.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
If flight triggers, collect otherwise blocked pickups before exiting.
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.
