The Binding of Isaac Wiki

Experimental Treatment

Experimental Treatment


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Randomly increases and decreases some of the character's stats.


"Some stats up, some stats down"


  • Randomly increases 4 and decreases 2 of the character's stats.
  • Each increase or decrease for a stat will change it by a fixed value:
    • ±1 health.
    • ±1 damage.
    • ±0.2 speed and maximum speed (may never exceed 2.0).
    • ±0.5 range.
    • ±0.5 tears.
    • ±0.2 shot speed.
    • ±1 luck.
  • If a stat that is already at an upper or lower limit is chosen, there is no visible effect.
  • This item belongs to the Spun set. Collecting three items from this set will transform Isaac into a buff berserker.

Found in

  • Boss Drop
  • Devil Beggar
  • Treasure Room
  • Boss Drop (Greed Mode)


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