In-game pickup line
“Revenge fly”
Mechanics
What Smart Fly does
- Once Isaac is hit, Smart Fly chases enemies for the rest of the room.
- The fly deals contact damage as it passes through targets.
In a run
Practical note
Keep dodging after a hit while the fly pursues the room's remaining enemies.
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.
