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Blackrock Depths

Golem Lord Argelmach Guide

Golem Lord Argelmach in Blackrock Depths: a journal-derived encounter reference quoted from the Adventure Guide, not a strategy guide. Database holds the raw abilities and the full loot table.

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30-second TL;DR

Adventure Guide says

  • When Golem Lord Argelmach's spirit is released from his mortal coil, he will possess the golems around the Mold Foundry.
  • The golem that is Possessed will gain energy over time.
  • Tanks: Each time Arcanotron's Arcane Overcharge is caught, the explosion that occurs when it hits the ground will be reduced.
  • Healers: Incineration and Poison Mist will inflict heavy damage to the entire raid.
  • Damage dealers: Power Generator will empower golems or players that intercept the energy orbs moving towards Arcanotron.

Background

Adventure Guide says

Argelmach's lifelong obsession with immortality drove him to forge enchanted constructs in his own image. Rumor has it that he has also dabbled in some form of black magic that would allow the golem lord's new creations to act as vessels for his spirit should his flesh-and-blood body be destroyed.

The journal lists 4 other creatures in this encounter: Arcanotron Mk. II, Electron Mk. II, Magmatron Mk. II and Toxitron Mk. II.

Overview

Adventure Guide says

When Golem Lord Argelmach's spirit is released from his mortal coil, he will possess the golems around the Mold Foundry. The golem that is Possessed will gain energy over time. At maximum energy, it will unleash a powerful ability. Toxitron and Electron are stationary casters, while Magmatron and Arcanatron are powerful melee combatants. Moving the golems too close together will active Golem Overdrive, increasing their combat prowess.

Tank mechanics

Adventure Guide says

Healer mechanics

Adventure Guide says

DPS mechanics

Adventure Guide says

Boss abilities

AbilityAdventure GuideNotes
Chain Lightning
Possessed
Arcane OverchargeArcanotron launches an arcane bomb at a nearby location. If the bomb strikes the ground, it explodes, inflicting Arcane damage to all players. Arcane Overcharge will inflict less damage to the raid for each bomb that was caught.
Power GeneratorPotent arcane energy coalesces around golems and slowly moves towards Arcanotron.
FlamethrowerBurns away Poison-Soaked and explodes Chemical Pools.
Melt ArmorCauses a player to take 1% increased Physical damage for 40 sec.
IncinerationInflicts Fire damage to all players and combusts all Chemical Pools.
Chemical BombFires Chemical Bombs, inflicting Nature damage on impact and creating a pool of flammable poison.
Chemical Pool
Chemical ExplosionFlamethrower and Incineration combust Chemical Pools inflicting Nature damage to all players.
Poison Mist
Poison-SoakedPoison-Soaked inflicts Nature damage every 1 sec. Poison-Soaked is burned away from players who suffer damage from Flamethrower.
Chain Lightning
Livewire
Electrical DischargeWhen Livewire is removed, a violent Electrical Discharge inflicts Nature damage to players within 12 yards.
Lethal AttractionLinks pairs of players together.
Golem OverdriveThis effect stacks.
Shared HealthGolem Lord Argelmach's golems share health.

3D Model

First-party render from the game files. Model © Blizzard Entertainment.

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Loot

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

8 drops · item level 584 · 6 slots (Chest, Feet, Finger, Shoulder, Trinket, Two-Hand) · all Bind on Pickup

Mounts, toys, achievements, transmog

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

Item sets and transmog

Lingering Dark Iron Grace

Achievements

Blackrock Depths

Entrance and instance

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

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 Golem Lord Argelmach?

When Golem Lord Argelmach's spirit is released from his mortal coil, he will possess the golems around the Mold Foundry.

How many abilities does Golem Lord Argelmach have?

The current datamine lists 18 named abilities on the Golem Lord Argelmach encounter.

What does Golem Lord Argelmach drop?

The Adventure Guide lists 8 drops. Each name links to its TheWoWDB item page. The full table also lives on the Blackrock Depths database page.

Does Golem Lord Argelmach change on Heroic or Mythic?

The current Adventure Guide text for this encounter does not include separate Heroic or Mythic sentences we can quote. If a later client build adds them, they appear here automatically.

Where does this guide's text come from?

Quoted Adventure Guide sections come from TheWoWDB's retail datamine (client build 12.1.0.69875, ingested 2026-09-18). 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 12.1.0.69875, ingested 2026-09-18). Ability names link to first-party spell pages. When a newer retail build is ingested, this page updates with it.