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Chaos Fanatic fight simulator: kill times in OSRS

Chaos Fanatic takes about 20.8 seconds per kill in OSRS with the best setup, a Webweaver bow doing 11.62 DPS at level-99 stats. RuneBuddy's Boss Fight Simulator runs the real phased fight tick by tick, so you get a kill-time spread for your own gear rather than a flat DPS number.

Chaos Fanatic has a scripted fight in RuneBuddy's Boss Fight Simulator: its phases, attack rotation and punish mechanics are modelled tick by tick, so kill time accounts for the downtime a flat DPS figure hides. Open any loadout below to run the fight, or see the best-in-slot gear for Chaos Fanatic.

🏹 Ranged Best DPS
Webweaver bow Webweaver bow
11.62DPS
52Max hit
80.4%Accuracy
20.8sAvg TTK
  • Masori mask (f)Masori mask (f)
  • Dizana's quiverDizana's quiver
  • Necklace of ruptureNecklace of rupture
  • Webweaver bowWebweaver bow
  • Masori body (f)Masori body (f)
  • Masori chaps (f)Masori chaps (f)
  • Zaryte vambracesZaryte vambraces
  • Avernic treads (max)Avernic treads (max)
  • Venator ringVenator ring
Prayer: Rigour Potion: Ranging potion
Open in fight simulator →
🔮 Magic
Tumeken's shadow Tumeken's shadow
7.00DPS
70Max hit
60.0%Accuracy
35.4sAvg TTK
  • Ancestral hatAncestral hat
  • Imbued guthix capeImbued guthix cape
  • Occult necklaceOccult necklace
  • Rada's blessing 4Rada's blessing 4
  • Tumeken's shadowTumeken's shadow
  • Ancestral robe topAncestral robe top
  • Ancestral robe bottomAncestral robe bottom
  • Confliction gauntletsConfliction gauntlets
  • Avernic treads (et)Avernic treads (et)
  • Magus ringMagus ring
Prayer: Augury Potion: Saturated heart
Open in fight simulator →
⚔️ Melee
Ursine chainmace Ursine chainmace
6.46DPS
76Max hit
40.8%Accuracy
38.7sAvg TTK
  • Inquisitor's great helmInquisitor's great helm
  • Infernal capeInfernal cape
  • Amulet of rancourAmulet of rancour
  • Rada's blessing 4Rada's blessing 4
  • Ursine chainmaceUrsine chainmace
  • Inquisitor's hauberkInquisitor's hauberk
  • Avernic defenderAvernic defender
  • Inquisitor's plateskirtInquisitor's plateskirt
  • Ferocious glovesFerocious gloves
  • Avernic treads (max)Avernic treads (max)
  • Ultor ringUltor ring
Prayer: Piety Potion: Super combat
Open in fight simulator →

Assumes level-99 combat stats and the best relevant prayer and potion, off Slayer task (no Slayer-helmet bonus). DPS is single-target on the boss's base stats; magic setups consider powered staves. Numbers come from RuneBuddy's WASM combat engine, the same one behind the DPS calculator.

Chaos Fanatic kill time FAQ

How long does it take to kill Chaos Fanatic in OSRS?
Chaos Fanatic takes about 20.8 seconds per kill in OSRS with the best setup, a Webweaver bow doing 11.62 DPS at level-99 stats. RuneBuddy's Boss Fight Simulator runs the real phased fight tick by tick, so you get a kill-time spread for your own gear rather than a flat DPS number.
What is the fastest setup for Chaos Fanatic?
The fastest kills come from a Webweaver bow (11.62 DPS, 80.4% accuracy) with Rigour and a ranging potion.
How long does Chaos Fanatic take with melee?
The best melee setup for Chaos Fanatic is a Ursine chainmace, which kills it in about 38.7 seconds per kill at 6.46 DPS.
How long does Chaos Fanatic take with ranged?
The best ranged setup for Chaos Fanatic is a Webweaver bow, which kills it in about 20.8 seconds per kill at 11.62 DPS.
How long does Chaos Fanatic take with magic?
The best magic setup for Chaos Fanatic is a Tumeken's shadow, which kills it in about 35.4 seconds per kill at 7.00 DPS.

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