In-game pickup line
“Some stats up, some stats down”
Mechanics
What Experimental Treatment does
- The item changes several of Isaac's stats as soon as it is taken.
- Four selected stats improve and two decrease, so its value depends on the particular roll and the current build.
Achievement #141
How to unlock it
Defeat Mom's Heart seven times.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Inspect your stats afterward before assuming your fire rate or damage improved.
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.
