Infusion

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BgUncommon.pngInfusion.png
Infusion
Infusion.png
Killing an enemy permanently increases your maximum health, up to 100.
Killing an enemy increases your health permanently by 1 (+1 per stack), up to a maximum of 100 (+100 per stack) health.
Rarity Uncommon
Category Utility
Healing
OnKillEffect
Unlock Slaughter
ID 33
Stats
Stat Value Stack Add
Max Health Increase 100 Linear +100
Health Per Kill 1 Linear +1

The Infusion is a returning item in Risk of Rain 2.

When the holder kills an enemy, their maximum health increases by 1 (+1 per stack), up to a maximum of 100 (+100 per stack) bonus health.

Notes

  • TR12 Gauss Auto-Turret.png TurretsTR12 Gauss Auto-Turret.pngTR12 Gauss Auto-Turret (Special)Place a turret that inherits all your items. Fires a cannon for 100% damage. Can place up to 2.
    Survivor: Engineer
    spawned by an Engineer.png EngineerEngineer.pngEngineerThe Engineer is a unique class that requires planning and positioning to be successful.
    Class: Ranged
    HP: 130 (+39 per level)
    Damage: 14 (+2.8 per level)
    Armor: 0
    Umbra: Fortification Expert
    will have the Infusions and their effects, but since they do not share kill counts with Engineer, they do not benefit from any bonus health until they make their own kills.
  • If all Infusions are removed via a 3D Printer or otherwise, the bonus health is lost.
    • If any Infusions are regained, all bonus health is instantly restored, even if the bonus health is more than 100 per held Infusion.
  • If the GlassArtifact of Glass is active, an Infusion's health gain to kill ratio is changed from 1:1 to 1:10.
  • This item does not count as a healing item, and thus does not invalidate the requirements for the Naturopath challenge.
  • Destroying explosive pots on Abandoned Aqueduct, Fusion Cells on Rallypoint Delta, Alloy Vulture Nests on Siren's Call, flying rocks on Sky Meadow, or birds on Distant Roost will give a charge of infusion.
  • Forgive Me Please.png Forgive Me PleaseBgEquipment.pngForgive Me Please.png45sForgive Me Please
    Throw a cursed doll that repeatedly triggers your 'On Kill' effects.

    Throw a cursed doll out that triggers any On-Kill effects you have every 1 second for 8 seconds.
    will give a charge of Infusion for every time it triggers.
  • Having any number of Infusions will make the health bar red, instead of the normally green color.
  • It is possible for a single Infusion to give more than 100 health per stack if multiple enemies are killed at the same time and the kill count for the infusion is close to its cap.
  • The red particle effect that seeks out the player after having killed an enemy while having an Infusion is what gives the bonus health, and not the kill itself.

Lore

Order: Infusion
Tracking Number: 768******
Estimated Delivery: 02/8/2056
Shipping Method: Priority/Biological
Shipping Address: Rage Valley, Fleet Hanger, Mars

Contains samples from bears, leeches, tigers, elephants, elephant sharks, sharks, bull sharks, ants, and anteaters. Simply hook up to a dialysis machine along with the necessary equipment and swap out your blood for genetically superior ones! 

You can add whatever blood sample you want, as far as I know. Just make sure you take the pills that allow the body to accept the new blood, or your body will reject the cross-species infusion. Remember that sampling from other animals is a great basis for experimentation!

Version History

Anniversary Update
  • Major Content
    • Added New Lore Entry: Infusion
Early Access Artifacts Content Update
  • Gameplay Changes
    • Max Health per kill: 1 hp ⇒ 1 hp (+1 per stack)
      • Developer Notes: The cap remains unchanged, but it will fill up faster.