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Blackwing Descent

Magmaw Guide

Magmaw in Blackwing Descent, quoted from the Adventure Guide. Database holds the raw abilities and the full loot table.

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30-second TL;DR

Adventure Guide says

  • Stages named in the Adventure Guide: Lava Worm Wrangling.

Encounter phases

Adventure Guide says

  1. Lava Worm Wrangling Immediately after Magmaw performs Massive Crash, a window of opportunity exists where two players can leap onto his pincers. From that location they can attach chains to the spike protruding from the ground in front of the worm, and then reel Magmaw onto the spike.

Normal, Heroic, and Mythic

Adventure Guide says

Only sentences the Adventure Guide itself marks as a difficulty change. We do not invent extra Heroic or Mythic strategy.

  • On Heroic Difficulty Lord Nefarius arrives to observe the adventurers contend with his pet and thwart their efforts.

Boss abilities

AbilityAdventure GuideNotes
Magma SpitIn 25 player raids Magmaw spits at eight random players.
Pillar of FlameMagmaw barrages the ground beneath a random player's feet with globs of roiling magma. The impacts also spawn multiple Lava Parasites.
Parasitic Infectionfor 10 sec. After the infection runs its course, the player vomits up the Parasite. It then begins to search for a new host.
Lava Spew
Molten TantrumIf Magmaw is ever unable to reach an enemy with his melee attack, he enters a frenzy. This effect stacks.
MangleMagmaw picks up his current target in his jaws, then bites down. Magmaw crushes his target severely after 30 sec. Impaling Magmaw causes him to release his grasp on the target.
Sweltering Armor
Massive CrashThe Massive Crash also briefly stuns Magmaw, allowing two players to leap onto his pincers.
Launch HookThe players hanging onto Magmaw's pincers can launch a hook at the spike in front of the worm. If the hook connects, it chains Magmaw to the spike for 3 sec. Magmaw will break free from a single connecting chain, but if a player connects a second chain to the spike then the players reel the chains in and impale Magmaw on the spike.
Point of VulnerabilityWhen Magmaw is impaled on the spike, players can attack his exposed and unarmored head. Magmaw frees himself from the spike after 30 sec.
Blazing InfernoLord Nefarius calls down a meteor of bone and fire at the ground beneath a random player. The explosion creates a Blazing Bone Construct, and sparks the Ignition of fast-moving flames in a spiral around the point of impact.
IgnitionThe Ignition flames dissipate after 1 min.
Shadow BreathWhen Magmaw reaches 30% remaining health, Lord Nefarius begins to directly attack the players. He launches volleys of shadowy flame at random players.

Loot

Every name is a TheWoWDB item page. Hover the row for the first-party tooltip.

Akirus the Worm-BreakerNH10P25PAkirus the Worm-Breaker10P H25P HBreastplate of Avenging FlameNH10P25PBreastplate of Avenging Flame10P H25P HCrown of Burning WatersNH10P25PCrown of Burning Waters10P H25P HFlame Pillar LeggingsNH10P25PFlame Pillar Leggings10P H25P HGauntlets of the Forlorn Conqueror10P H25P HGauntlets of the Forlorn Protector10P H25P HGauntlets of the Forlorn Vanquisher10P H25P HIncineratusNH10P25PIncineratus10P H25P HLava SpineNH10P25PLava Spine10P H25P HLeggings of Lethal ForceNH10P25PLeggings of Lethal Force10P H25P HLifecycle WaistguardNH10P25PLifecycle Waistguard10P H25P HMolten Tantrum BootsNH10P25PMolten Tantrum Boots10P H25P HParasitic BandsNH10P25PParasitic Bands10P H25P HScorched Wormling VestNH10P25PScorched Wormling Vest10P H25P HSymbiotic WormNH10P25PSymbiotic Worm10P H25P H

Mounts, toys, achievements, transmog

Only rows the journal loot table or an achievement title can prove for this encounter.

Achievements

Blackwing Descent · Heroic: Atramedes · Heroic: Chimaeron · Heroic: Magmaw · Heroic: Maloriak · Heroic: Omnotron Defense System

Entrance and instance

Blackwing Descent is a raid in the Adventure Guide. See the Blackwing Descent database page and located in Blackrock Mountain for the raw journal, map, and loot grid. This guide does not invent coordinates or a walking path.

Omnotron Defense System
Atramedes
Chimaeron
Maloriak
Nefarian's End

Player strategy

This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal.

Questions

What does the Adventure Guide say about Magmaw?

Stages named in the Adventure Guide: Lava Worm Wrangling.

What does Magmaw drop?

The Adventure Guide lists 27 drops. Each name links to its TheWoWDB item page. The full table also lives on the Blackwing Descent database page.

Where is Blackwing Descent?

The journal places Blackwing Descent in Blackrock Mountain.

Does Magmaw change on Heroic or Mythic?

Yes. The Adventure Guide adds difficulty sentences on the abilities that change; those sentences are collected in the difficulty section. We do not invent additional Heroic or Mythic strategy.

Where does this guide's text come from?

Quoted Adventure Guide sections come from TheWoWDB's retail datamine (client build 12.1.0.69587, ingested 2026-09-01). Player strategy such as positioning, assignments, and cooldown timings is omitted unless that sentence is already in the journal.

Source and build

This page quotes the Adventure Guide. It does not add player strategy such as positioning, assignments, stack or spread calls, or cooldown timings unless that sentence is already in the journal. Quoted sections come from TheWoWDB Adventure Guide datamine (client build 12.1.0.69587, ingested 2026-09-01). Ability names link to first-party spell pages. When a newer retail build is ingested, this page updates with it.