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Ulduar

XT-002 Deconstructor Guide

XT-002 Deconstructor in Ulduar, 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

  • Upon reaching 75%, 50%, and 25% health the Heart of the Deconstructor will become exposed and bots will begin to join the fight.
  • Stages named in the Adventure Guide: Stage One: New Toys, Stage Two: Heart of the Deconstructor, Hard Mode.
  • Tanks: While the Heart of the Deconstructor is exposed be quick to grab the attention of the XM-024 Pummellers.
  • Healers: Move away from allies when afflicted with Searing Light or Gravity Bomb.
  • Damage dealers: Move away from allies when afflicted with Searing Light or Gravity Bomb.

Overview

Adventure Guide says

Upon reaching 75%, 50%, and 25% health the Heart of the Deconstructor will become exposed and bots will begin to join the fight.

  • Move away from allies when afflicted with Searing Light or Gravity Bomb.
  • Attacking the Heart of the Deconstructor will inflict additional damage to XT-002 Deconstructor when it becomes exposed.
  • While the Heart of the Deconstructor is exposed any XS-013 Scrapbot that reaches XT will heal him.
  • While the Heart of the Deconstructor is exposed be quick to grab the attention of the XM-024 Pummellers.

Encounter phases

Adventure Guide says

  1. Stage One: New Toys
  2. Stage Two: Heart of the Deconstructor The Heart of the Deconstructor becomes exposed.
  3. Hard Mode Destroying the Heart of the Deconstructor during State Two will activate Hard Mode, healing XT-002 Deconstructor to full and empowering him with additional abilities.

Tank mechanics

Adventure Guide says

  • While the Heart of the Deconstructor is exposed be quick to grab the attention of the XM-024 Pummellers.

Healer mechanics

Adventure Guide says

DPS mechanics

Adventure Guide says

  • Move away from allies when afflicted with Searing Light or Gravity Bomb.
  • Attacking the Heart of the Deconstructor will inflict additional damage to XT-002 Deconstructor when it becomes exposed.
  • While the Heart of the Deconstructor is exposed any XS-013 Scrapbot that reaches XT will heal him.

Boss abilities

AbilityAdventure GuideNotes
Tympanic Tantrum
Searing Light
Gravity Bomb
Exposed Heart
Arcing Smash
Trample
Uppercut
Scrap Repair
Boom!
Heartbreak
Void Zone
Life Spark
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Loot

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

Fragment of Val'anyrAesir's EdgeNAesir's EdgeTWArmbands of the ConstructNArmbands of the ConstructTWBoots of Hasty RevivalNBoots of Hasty RevivalTWBrass-Lined BootsNBrass-Lined BootsTWBreastplate of the DevotedNBreastplate of the DevotedTWBreastplate of the StoneshaperNBreastplate of the StoneshaperTWCharm of Meticulous TimingNChestplate of Vicious PotencyNChestplate of Vicious PotencyTWClockwork LegplatesNClockwork LegplatesTWConductive CordNConductive CordTWCrazed Construct RingNFluxing Energy CoilsNFluxing Energy CoilsTWGloves of Taut GripNGloves of Taut GripTWGloves of the Steady HandNGloves of the Steady HandTWGolem-Shard StickerNGolem-Shard StickerTWGrasps of ReasonNGrasps of ReasonTWHelm of Veiled EnergiesNHelm of Veiled EnergiesTWHorologist's WristguardsNHorologist's WristguardsTWMagnetized Projectile EmitterNMagnetized Projectile EmitterTWMantle of Wavering CalmNMantle of Wavering CalmTWPlasma FoilNPlasma FoilTWPower Enhancing LoopNPulsing SpellshieldNPulsing SpellshieldTWQuartz Crystal WandNQuartz Crystal WandTWQuartz-Studded HarnessNQuartz-Studded HarnessTWSandals of Rash TemperamentNSandals of Rash TemperamentTWSeal of UlduarNShoulderplates of the DeconstructorNShoulderplates of the DeconstructorTWSignet of the EarthshakerNSorthalis, Hammer of the WatchersNSorthalis, Hammer of the WatchersTWTreacherous ShoulderpadsNTreacherous ShoulderpadsTWTwisted VisageNTwisted VisageTWVest of the Glowing CrescentNVest of the Glowing CrescentTWRuned Orb

Mounts, toys, achievements, transmog

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

Mounts

Mimiron's Head

Entrance and instance

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

Flame Leviathan
Ignis the Furnace Master
Razorscale
The Assembly of Iron
Kologarn
Auriaya
Hodir
Thorim
Freya
Mimiron
General Vezax
Yogg-Saron
Algalon the Observer

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 XT-002 Deconstructor?

Upon reaching 75%, 50%, and 25% health the Heart of the Deconstructor will become exposed and bots will begin to join the fight.

How many abilities does XT-002 Deconstructor have?

The current datamine lists 12 named abilities on the XT-002 Deconstructor encounter.

What does XT-002 Deconstructor drop?

The Adventure Guide lists 63 drops. Each name links to its TheWoWDB item page. The full table also lives on the Ulduar database page.

Does XT-002 Deconstructor 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.

Does XT-002 Deconstructor drop a mount?

The journal loot table includes Mimiron's Head. Each links to its TheWoWDB mount page.

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.