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Doom of Mokhaiotl (Delve Boss) – Ranged Master Guide

The ultimate Ranged-focused guide for defeating OSRS’s multi-wave Delve boss introduced in Varlamore: The Final Dawn. Covers gear, strategy, and wave-by-wave breakdown.

Difficulty:Very Hard
Read Time:35 min
Author:Onyx Services
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Doom of Mokhaiotl – Ranged Master Guide

The Doom of Mokhaiotl is the pinnacle encounter of the Varlamore: The Final Dawn expansion, offering one of the most intense and mechanically rich challenges in Old School RuneScape to date. This guide focuses exclusively on Ranged combat, the most effective style for the encounter due to its mobility, consistent DPS, and adaptability to the fight’s hazard mechanics.

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Introduction & Lore

Mokhaiotl is an ancient guardian bound to the subterranean Delve network beneath Varlamore. Once a benevolent protector of the realm’s balance, it has been corrupted by the unstable magic surging through the fissures revealed during The Final Dawn. Players who descend into the Delve are faced with progressively hostile waves of creatures, culminating in a direct confrontation with Mokhaiotl itself.

The encounter is structured as a multi-wave gauntlet — there are no checkpoints, and failure means starting again from the first wave. The fight rewards mastery over mechanics, resource management, and adaptive strategy.

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Requirements

    Mandatory

  • Completion of The Final Dawn quest.

    Strongly Recommended

  • Combat Stats: 90+ Ranged, 85+ Defence, 77+ Prayer.
  • Unlocks: Rigour, Augury (for utility), Ava’s Assembler, Rune Pouch.
  • Gear Progression: Access to at least mid-tier Ranged weapons (blowpipe or crossbow tier).

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Travel & Access

  • Post-Quest Unlock: After completing The Final Dawn, the fissure leading to the Delve becomes accessible in the southern Varlamore region.
  • Best Travel Methods:
    • - Player-owned house portal set to Varlamore region. - Jewellery teleports to nearby banks for staging. - Stamina potion chain-running for repeat attempts.

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Ranged Combat Theory for the Delve

    Ranged offers several advantages in this fight:
  • Mobility: Freedom to reposition without sacrificing attack speed.
  • Consistency: No reliance on proximity for damage.
  • Prayer Synergy: Strong pairing with Rigour for max DPS.

However, success with Ranged relies on gear balance: accuracy must remain high enough to land consistent hits while maintaining sufficient defensive bonuses to survive chip damage from hazards and minions.

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Gear Setups

    Budget

  • Helmet: Archer helm or Karil’s coif
  • Body: Blessed d’hide body
  • Legs: Blessed d’hide chaps or Karil’s skirt
  • Weapon: Toxic blowpipe (adamant darts) or rune crossbow with diamond bolts (e)
  • Cape: Ava’s assembler
  • Boots: Snakeskin boots
  • Ring: Archer’s ring (i) or Ring of recoil
  • Ammo: Diamond bolts (e) or rune bolts

    Mid-Tier

  • Helmet: Armadyl helmet
  • Body: Armadyl chestplate
  • Legs: Armadyl chainskirt
  • Weapon: Blowpipe (dragon darts) + Zaryte crossbow switch
  • Cape: Ava’s assembler
  • Boots: Pegasian boots
  • Ring: Archer’s ring (i)

    Best-in-Slot

  • Helmet: Masori mask (f)
  • Body: Masori body (f)
  • Legs: Masori chaps (f)
  • Weapon: Twisted bow (magic-weak phases) + Zaryte crossbow
  • Cape: Ava’s assembler
  • Boots: Pegasian boots
  • Ring: Ring of suffering (i) with recoil
  • Shield: Twisted buckler

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Inventory Planning

    Consumables

  • Potions: 2x divine ranging potion, 4x super restore, 4x Saradomin brew, 2x stamina potion.
  • Food: High-heal mix (anglerfish, manta rays, karambwan).
  • Utility: Rune pouch (Law, Cosmic, Nature runes), emergency teleport.

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Mechanics Overview

The Delve Boss fight consists of eight waves, each adding complexity:

  • Prayer Swaps: Magic and Ranged attacks from enemies require quick switches.
  • Hazard Tiles: Periodic ground effects dealing % HP damage per tick.
  • Minions: Spawn in later waves; ignoring them can be fatal.

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Wave-by-Wave Breakdown

    Wave 1

  • Light melee mobs. Kite in wide arcs to avoid unnecessary damage.

    Wave 2

  • Introduces Ranged mobs. Begin practicing flicking between Protect from Missiles and Protect from Melee.

    Wave 3

  • Hazard tiles appear. Prioritize safe positioning over DPS.

    Wave 4

  • Mixed waves. Focus minions first to prevent stacking damage.

    Wave 5

  • Faster hazard cycles; preemptively move when patterns begin.

    Wave 6

  • Mixed Magic and Ranged attackers. Maintain rhythm: prayer swap → reposition → attack.

    Wave 7

  • DPS check: hazards, minions, and boss attacks overlap.

    Wave 8 – Mokhaiotl

  • Combines all mechanics. High mobility essential; Twisted bow shines here against magic-weak shields.

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Advanced Ranged Tactics

  • Prayer Flicking: Maintain overheads only when attacks are incoming to conserve prayer points.
  • Tick Manipulation: Step under during boss animation to delay damage intake.
  • Spec Management: Use Armadyl crossbow special for accuracy boosts in DPS-check phases.

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Common Mistakes

  • Standing in hazard tiles while tunnel-visioning on DPS.
  • Over-switching gear and losing attack cycles.
  • Ignoring minion spawns in later waves.

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Rewards & Repeat Value

  • Common: Resource drops, consumables.
  • Rare: Unique Delve boss loot.
  • Deeper clears yield better chances at high-value items.

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Update History

  • July 23, 2025: Initial release with Varlamore: The Final Dawn.
  • August 6, 2025: Summer Sweep-Up adjusted hazard visuals, improved boss attack telegraphs.

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Closing Thoughts

Mastering the Doom of Mokhaiotl with Ranged requires equal parts preparation, mechanical execution, and adaptability. While punishing for mistakes, the fight is also one of OSRS’s most rewarding PvM experiences once learned.

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