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Callisto fight simulator: kill times in OSRS

Callisto takes about 84.2 seconds per kill in OSRS with the best setup, a Accursed sceptre doing 12.12 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.

Callisto 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 Callisto.

🔮 Magic Best DPS
Accursed sceptre Accursed sceptre
12.12DPS
63Max hit
92.3%Accuracy
84.2sAvg TTK
  • Ancestral hatAncestral hat
  • Imbued guthix capeImbued guthix cape
  • Occult necklaceOccult necklace
  • Rada's blessing 4Rada's blessing 4
  • Accursed sceptreAccursed sceptre
  • Ancestral robe topAncestral robe top
  • Elidinis' ward (f)Elidinis' ward (f)
  • 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 →
🏹 Ranged
Webweaver bow Webweaver bow
11.55DPS
52Max hit
79.9%Accuracy
88.0sAvg 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 →
⚔️ Melee
Ursine chainmace Ursine chainmace
9.88DPS
77Max hit
61.5%Accuracy
103.8sAvg 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.

Callisto kill time FAQ

How long does it take to kill Callisto in OSRS?
Callisto takes about 84.2 seconds per kill in OSRS with the best setup, a Accursed sceptre doing 12.12 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 Callisto?
The fastest kills come from a Accursed sceptre (12.12 DPS, 92.3% accuracy) with Augury and a saturated heart.
How long does Callisto take with melee?
The best melee setup for Callisto is a Ursine chainmace, which kills it in about 103.8 seconds per kill at 9.88 DPS.
How long does Callisto take with ranged?
The best ranged setup for Callisto is a Webweaver bow, which kills it in about 88.0 seconds per kill at 11.55 DPS.
How long does Callisto take with magic?
The best magic setup for Callisto is a Accursed sceptre, which kills it in about 84.2 seconds per kill at 12.12 DPS.

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