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Zulrah (Magma) fight simulator: kill times in OSRS

Zulrah (Magma) takes about 55.8 seconds per kill in OSRS with the best setup, a Tumeken's shadow doing 9.30 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.

Zulrah (Magma) 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 Zulrah (Magma).

🔮 Magic Best DPS
Tumeken's shadow Tumeken's shadow
9.30DPS
50Max hit
89.0%Accuracy
55.8sAvg 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
Noxious halberd Noxious halberd
7.78DPS
50Max hit
78.2%Accuracy
66.7sAvg TTK
  • Oathplate helmOathplate helm
  • Infernal capeInfernal cape
  • Amulet of rancourAmulet of rancour
  • Rada's blessing 4Rada's blessing 4
  • Noxious halberdNoxious halberd
  • Oathplate chestOathplate chest
  • Oathplate legsOathplate legs
  • Ferocious glovesFerocious gloves
  • Avernic treads (max)Avernic treads (max)
  • Bellator ringBellator ring
Prayer: Piety Potion: Super combat
Open in fight simulator →
🏹 Ranged
Twisted bow Twisted bow
3.27DPS
50Max hit
28.9%Accuracy
159.2sAvg TTK
  • Masori mask (f)Masori mask (f)
  • Dizana's quiverDizana's quiver
  • Necklace of ruptureNecklace of rupture
  • Seeking dragon arrowSeeking dragon arrow
  • Twisted bowTwisted 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 →

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.

Zulrah (Magma) kill time FAQ

How long does it take to kill Zulrah (Magma) in OSRS?
Zulrah (Magma) takes about 55.8 seconds per kill in OSRS with the best setup, a Tumeken's shadow doing 9.30 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 Zulrah (Magma)?
The fastest kills come from a Tumeken's shadow (9.30 DPS, 89.0% accuracy) with Augury and a saturated heart.
How long does Zulrah (Magma) take with melee?
The best melee setup for Zulrah (Magma) is a Noxious halberd, which kills it in about 66.7 seconds per kill at 7.78 DPS.
How long does Zulrah (Magma) take with ranged?
The best ranged setup for Zulrah (Magma) is a Twisted bow, which kills it in about 159.2 seconds per kill at 3.27 DPS.
How long does Zulrah (Magma) take with magic?
The best magic setup for Zulrah (Magma) is a Tumeken's shadow, which kills it in about 55.8 seconds per kill at 9.30 DPS.

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