In-game pickup line
“Swing it”
Mechanics
What Guppy's Hairball does
- Isaac's movement swings the hairball into enemies, and it can block shots.
- Kills make it larger and more damaging; it also counts toward the Guppy transformation.
Achievement #65
How to unlock it
Become Guppy.
The Guppy transformation comes from collecting three Guppy-related items in a run.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Circle around enemies to swing the hairball through them without walking into contact damage.
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.
