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// item · risk of rain 2

Infusion, in depth.

Uncommon item (green). What the game says, what it really does, what each copy adds and what it pairs with.

// what it does

What it does.

Infusion
Uncommon item (green)

Each kill gives you 1 max health permanently, up to 100. Each extra infusion gives more and raises the cap.

Game text: «Killing an enemy increases your health permanently by 1 (+1 per stack), up to a maximum of 100 (+100 per stack) health.»

Stacking: Each copy adds the same, no cap.

Watch out: Lose them all (e.g. at a printer) and the bonus health goes; get one back and it all returns. Breaking Aqueduct pots counts as kills.

// per copy

What each copy adds.

1 copy2 copies3 copies5 copies10 copies
1002003005001000

Each copy adds the same.

// pairs with

What it pairs with.

False Son

gains health on kills, and Growth with it.

Bison Steak

max health on max health.

Transcendence

all that health becomes shield.

// who uses it best

Survivors that use it best.

False Son

gains health on kills, and Growth with it.

// how to get it

How to get it.

Drops from large chests, sometimes small ones, and green printers.

Needs unlocking first with the challenge «Slaughter».

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// faq

FAQ.

What does Infusion do in Risk of Rain 2?

Each kill gives you 1 max health permanently, up to 100. Each extra infusion gives more and raises the cap.

What happens if you pick up several Infusion?

Stacking: Each copy adds the same, no cap.Watch out: Lose them all (e.g. at a printer) and the bonus health goes; get one back and it all returns. Breaking Aqueduct pots counts as kills.

How do you get Infusion?

Drops from large chests, sometimes small ones, and green printers. Needs unlocking first with the challenge «Slaughter».

// more items

Other items in depth.

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Items in depth · Every item by rarity

Sources: the game's English text (name and description), the Risk of Rain 2 wiki (riskofrain2.wiki.gg: this item's page, read on 31 October 2026; numbers, stacking formula and notes) and the wiki's survivor pages. The plain-words text and the synergies are ours. Icons: Risk of Rain 2 (Hopoo Games / Gearbox).