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// item · risk of rain 2

Titanic Knurl, in depth.

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

// what it does

What it does.

Titanic Knurl
Boss item (yellow)

More health (40) and faster healing. Each extra one, the same again.

Game text: «Increase maximum health by 40 (+40 per stack) and base health regeneration by +1.6 hp/s (+1.6 hp/s per stack).»

Stacking: Each copy adds the same, no cap.

Watch out: Rejuvenation Rack multiplies its healing.

It has a void version: Newly Hatched Zoea. Pick that up and every copy of this item turns into it.

// per copy

What each copy adds.

1 copy2 copies3 copies5 copies10 copies
4080120200400

Each copy adds the same.

// pairs with

What it pairs with.

Rejuvenation Rack

multiplies its regeneration.

False Son

max health: Growth.

// who uses it best

Survivors that use it best.

False Son

max health: Growth.

// how to get it

How to get it.

Dropped by a teleporter boss: each green item it drops has a 15% chance to be this one.

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

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// faq

FAQ.

What does Titanic Knurl do in Risk of Rain 2?

More health (40) and faster healing. Each extra one, the same again.

What happens if you pick up several Titanic Knurl?

Stacking: Each copy adds the same, no cap.Watch out: Rejuvenation Rack multiplies its healing.

How do you get Titanic Knurl?

Dropped by a teleporter boss: each green item it drops has a 15% chance to be this one. Unlocked from the start: it can show up in any run.

// 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).