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// item · risk of rain 2

Alien Head, in depth.

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

// what it does

What it does.

Alien Head
Legendary item (red)

All your skills come back 25% sooner. Each extra head, another 25% less.

Game text: «Reduce skill cooldowns by 25% (+25% per stack).»

Stacking: Each copy cuts a share of what is left: it drops less each time and never reaches zero.

Watch out: It applies before Purity: together they cut cooldowns a lot.

// per copy

What each copy adds.

1 copy2 copies3 copies5 copies10 copies
−25%−43.8%−57.8%−76.3%−94.4%

Each copy cuts a share of what is left: it never reaches zero.

// pairs with

What it pairs with.

Mercenary

lower cooldowns on everything.

Purity

it applies before Purity: together they cut cooldowns a lot.

Enforcer

he lives on cooldowns.

// who uses it best

Survivors that use it best.

Mercenary

lower cooldowns on everything.

Acrid

with Blight, using more skills puts more blight on the enemy.

Enforcer

he is cooldown-focused: lower cooldowns on everything.

// how to get it

How to get it.

Drops from legendary chests and, less often, from large and small chests.

Unlocked from the start: it can show up in any run.

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// faq

FAQ.

What does Alien Head do in Risk of Rain 2?

All your skills come back 25% sooner. Each extra head, another 25% less.

What happens if you pick up several Alien Head?

Stacking: Each copy cuts a share of what is left: it drops less each time and never reaches zero.Watch out: It applies before Purity: together they cut cooldowns a lot.

How do you get Alien Head?

Drops from legendary chests and, less often, from large and small chests. Unlocked from the start: it can show up in any run.

// more items

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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).