Infusion is a returning item in Risk of Rain 2.

Since patch 3731106, this item no longer counts as a healing item, and thus does not invalidate the requirements for the Naturopath achievement.


  • You can have any number of infusions. The limit is only capped by the game's memory.
  • Having multiple infusions that aren't capped out yet still only increases your health by 1 per kill.
  • Due to the engineer's turrets being separate instances, and thus having their own infusions, kills the engineer's turrets make don't increase the engineer's health; rather, they increase the respective turret's health.
  • If an Infusion is removed via a 3D Printer or otherwise, the health gained is lost.
  • If an infusion is regained after being removed while capped you get all the health back instantly

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