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// item · risk of rain 2

Will-o'-the-wisp, 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.

Will-o'-the-wisp
Uncommon item (green)

Enemies you kill explode a second later and hurt the ones around them. Each extra one makes the blast bigger and stronger.

Game text: «On killing an enemy, spawn a lava pillar in a 12m (+2.4m per stack) radius for 350% (+280% per stack) base damage.»

Stacking: Each copy adds the same, no cap.

It has a void version: Voidsent Flame. Pick that up and every copy of this item turns into it.

// per copy

What each copy adds.

1 copy2 copies3 copies5 copies10 copies
+350%+630%+910%+1470%+2870%

Each copy adds the same.

// pairs with

What it pairs with.

Gasoline

every kill burns and blasts at once: one death drags the next.

Ceremonial Dagger

every death throws daggers and a pillar: the chain keeps going.

Ukulele

the lightning kills the small ones and each one explodes.

// how to get it

How to get it.

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

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

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// faq

FAQ.

What does Will-o'-the-wisp do in Risk of Rain 2?

Enemies you kill explode a second later and hurt the ones around them. Each extra one makes the blast bigger and stronger.

What happens if you pick up several Will-o'-the-wisp?

Stacking: Each copy adds the same, no cap.

How do you get Will-o'-the-wisp?

Drops from large chests, sometimes small ones, and green printers. Unlocked from the start: it can show up in any run.

// more items

Other items in depth.

Soldier's SyringeTougher TimesLens-Maker's GlassesPaul's Goat HoofCrowbarTri-Tip DaggerArmor-Piercing RoundsBustling FungusTopaz BroochBackup MagazineEnergy DrinkSticky BombMedkitMonster ToothCautious SlugBison SteakFocus CrystalRusted KeyPersonal Shield GeneratorRepulsion Armor PlateUkuleleAtG Missile Mk. 1Hardlight AfterburnerPredatory InstinctsKjaro's BandRunald's BandHarvester's ScytheHopoo FeatherLeeching SeedBandolierRose BucklerFuel CellWax QuailOld War StealthkitBerzerker's PauldronInfusionDeath MarkShuriken57 Leaf CloverBrilliant BehemothSentient Meat HookCeremonial DaggerBrainstalksLaser ScopeAlien HeadUnstable Tesla CoilRejuvenation RackDio's Best FriendAegisShattering JusticeHappiest MaskSoulbound CatalystTitanic KnurlShatterspleenGenesis LoopMolten PerforatorCharged PerforatorPlanulaPearlShaped GlassGesture of the DrownedPurityTranscendenceBrittle CrownPolyluteLost Seer's LensesBenthic BloomPlasma ShrimpSafer SpacesEncrusted KeyNeedletickWeeping FungusPluripotent LarvaLysate Cell

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).