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Ulduar

Ulduar

Raid GuideRetail

Boss abilities and loot tables from Blizzard's own journal, boss by boss.

Blizzard's journal carries no description for this instance.

Written notes for this instance are a later milestone. Everything on this page comes from Blizzard's journal data.

Expansion
Wrath of the Lich King
Minimum Level
30
Modes
Normal

Bosses

1. Flame Leviathan

This massive armored tank guards the courtyard entrance in Ulduar. The watcher Mirmiron constructed the Flame Leviathan as part of his V0-L7R-0N weapons platform.

Abilities

  • Overview

    The Flame Leviathan will target and pursue after random Siege Vehicles and quickly destroy any vehicle that it catches! Use the Vehicles supplied by the Explorers' League to avoid and ensare the Flame Leviathan.

  • Siege Vehicles
  • Flame Leviathan

    If all Turrets on the Flame Leviathan are destroyed it is affliced with [Systems Shutdown].

  • Mechanolift 304-A

    Destroying the Mechanolift 304-A will drop a container of Liquid Pyrite.

  • Hard Mode

    Talking to Lore Keeper of Norgannon at the Expedition Camp will activate the Keeper's Towers. Any Tower that remains active when Flame Leviathan is engaged will enable additional abilities.

Loot

Showing the first 20 of 59 items. Open The Boss Page

2. Ignis the Furnace Master

Like the other titan-forged creations in Ulduar, Ignis now serves the twisted will of the Old God Yogg-Saron. This imposing fire giant toils over the Colossal Forge, creating the iron armies that will conquer Azeroth in Yogg-Saron's name.

Abilities

  • Overview

    Ignis the Furnace Master will activate Iron Constructs which need to Heat Up and Shattered to destroy them.

  • Flame Jets
  • Slag Pot
  • Scorch
  • Strength of the Creator
  • Water

Loot

Showing the first 20 of 49 items. Open The Boss Page

3. Razorscale

Veranus, broodmother of the proto-drakes in the Storm Peaks, served the keeper Thorim until she was captured by Loken and twisted into a vicious weapon. Under his master's orders, Ignis the Furnace Master fused iron plates onto Razorscale's hide to enhance her deadly strikes.

Abilities

  • Overview

    In Stage One defend the Expedition Engineers from the invading forces until they can repair Harpoon Turrets. In Stage Two Razorscale will become permanently grounded and must be defeated.

  • Stage One: Winged Terror

    Razorscale must be brought to the ground with the Harpoon Guns.

  • Stage Two: Grounded

    Upon reaching 50% health Razorscale will become grounded permanently.

Loot

Showing the first 20 of 48 items. Open The Boss Page

4. XT-002 Deconstructor

Engineered to patrol the Ulduar scrapyard, Mimiron invested his clockwork creation with a rudimentary intellect that suited his duties. XT-002 has come to look upon himself as the keeper's son, and often throws tantrums like a petulant child.

Abilities

  • Overview

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

  • Stage One: New Toys
  • Stage Two: Heart of the Deconstructor

    The Heart of the Deconstructor becomes exposed.

  • 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.

Loot

Showing the first 20 of 63 items. Open The Boss Page

5. The Assembly of Iron

The iron legions of Loken are commanded by three fearsome generals, each representing a different titan-forged race. Stormcaller Brundir, Runemaster Molgeim, and the giant Steelbreaker fight in the name of the keeper's true master, the malevolent Yogg-Saron.

Abilities

  • Overview

    Defeating a member of the Assembly of Iron will heal the remaining two to full health and grant them [Supercharge], which increases damage and grants access to additional abilities.

  • Stormcaller Brundir
  • Runemaster Molgeim
  • Steelbreaker
  • Hard Mode

    Defeating one of the Assembly of Iron buffs the remaining members with [Supercharge]. Steelbreaker is the most difficult member of the Iron Assembly if he is the last member of the Assembly standing.

Loot

Showing the first 20 of 68 items. Open The Boss Page

6. Kologarn

Loken commanded Ignis the Furnace Master to fashion this towering giant to guard the Shattered Walkway. His massive arms allow Kologarn to pulverize any intruders attempting to reach the inner sanctum.

Abilities

  • Overview

    Kologarn's arms can be destroyed, restricting his ability to use abilities. When Kologarn's Right or Left arm are destroyed Rubble will appear.

  • Kologarn
  • Right Arm
  • Left Arm
  • Rubble

    Several Rubble are created when an Arm of Kologarn is defeated.

Loot

Showing the first 20 of 46 items. Open The Boss Page

7. Auriaya

Ulduar's archivist patrols the Observation Ring accompanied by ferocious cats. Years of solitude have weighed heavily on Auriaya, and the Old God's growing power seems to have destroyed the last shreds of her sanity.

Abilities

  • Overview

    Auriaya patrols the Observation Ring with her four Sanctum Sentries which will ravage their target with a [Savage Pounce] when engaged. She summons other guardians during the encounter which she commands to disrupt her enemies.

  • Auriaya
  • Sanctum Sentry
  • Feral Defender

Loot

Showing the first 20 of 49 items. Open The Boss Page

8. Hodir

The giant Hodir once presided over the Temple of Winter, lending his guidance to the frost giants in the Storm Peaks. Now the watcher dwells in an ice cave in the Halls of Winter, forced to serve the will of Yogg-Saron.

Abilities

  • Overview

    Break out allies trapped in [Flash Freeze]. Once freed they will provide assistance in various ways.

  • Hodir
  • Allied Adventurers

    Allied Adventurers begin the fight encased in [Flash Freeze]. Once freed they will grant their aid until Frozen again.

  • Hard Mode

    Defeat Hodir quickly to preven thim from destroying the Rare Cache of Winter.

Loot

Showing the first 20 of 73 items. Open The Boss Page

9. Thorim

For years, Thorim believed that ice giants had murdered his beloved wife Sif. Thorim turned his wrath upon his allies and fell into despair. When he learned that his brother Loken was responsible for the crime, Loken captured Thorim and brought him to Ulduar, where the Old God clouded the keeper's mind.

Abilities

  • Overview

    Thorim calls in Dark Rune forces to engage players that are in the Arena until allies are able to reach Thorim by traveling through the Hallway. Once players reach Thorim he will leap into the arena and use powerful Lightning attacks to defeat his foes.

  • Stage One: Prove Your Worth

    Thorim calls in Dark Rune forces to engage players that are in the Arena until allies are able to reach Thorim by traveling through the Hallway.

  • Stage Two: Keeper of Storms
  • Hard Mode

    If players traverse the Hallway quick enough and reach Thorim within 90 seconds Sif will join the battle in Stage Two.

Loot

Showing the first 20 of 72 items. Open The Boss Page

10. Freya

The watcher Freya has served as protector of all living things, aided by three stoic elders. Though her conservatory remains lush and verdant, she too has succumbed to the Old God's maddening whispers

Abilities

  • Overview

    During Stage One stacks of [Attuned to Nature] must be removed by defeating the Allies of Nature. Once the Allies of Nature are defeated Stage Two will begin.

  • Stage One: Allies of Nature
  • Stage Two: Nature's Wrath

    Once [Attuned to Nature] has been removed Stage Two begins.

  • Hard Mode

    While the Elders in The Conservatory of Life are alive they will grant Freya additional abilities.

Loot

Showing the first 20 of 70 items. Open The Boss Page

11. Mimiron

A brilliant innovator, Mimiron has crafted countless mechanisms throughout the history of Azeroth that have inspired awe and wonder. But since falling under Loken's disturbed influence, this watcher of Ulduar has only constructed machines of war and destruction.

Abilities

  • Overview

    Mimiron engages his enemies with inventions rather than directly in combat. The Leviathan MK II is a deadly vehicle that assaults the Tank with powerful attacks, the VX-001 which strikes enemies with rocket blasts and laser barrages, the Aerial Command Unit which engages enemies from the skies, and finally the V0-L7R-0N unit, which combines the might of all of his inventions.

  • Stage One: Leviathan Mk II
  • Stage Two: VX-001

    When the Leviathan Mk II is defeated Mimiron will summon his VX-001 module.

  • Stage Three: Aerial Command Unit

    When VX-001 is defeated Mimiron will summon his Aerial Command Unit.

  • Stage Four: V0-L7R-0N

    When the Aerial Command Unit is defeated Mimiron will take his final form.

  • Hard Mode

    DO NOT PUSH THIS BUTTON!

Loot

Showing the first 20 of 75 items. Open The Boss Page

12. General Vezax

Strange creatures known as faceless ones lurk in the depths of Ulduar. One of their mightiest commanders, General Vezax, guards the twisted passages leading to the Prison of Yogg-Saron.

Abilities

  • Overview

    General Vezax inflicts all healers with [Aura of Despair], removing all mana regeneration. Mana can be restored by utilizing the [Saronite Vapors ] that coalesce on the ground in the area.

  • Aura of Despair
  • Shadow Crash
  • Mark of the Faceless
  • Searing Flames
  • Surge of Darkness

Loot

Showing the first 20 of 62 items. Open The Boss Page

13. Yogg-Saron

The lucid dream. The monster in your nightmares. The fiend of a thousand faces. All must bend to the master's will. Your petty quarrels only make him stronger.

Abilities

  • Overview

    Sara must be damaged by Guardians of Yogg-Saron's [Shadow Nova], once damaged significantly, Yogg Saron will reveal himself and begin to attack the sanity of his enemies, which is depleted will turn his enemies against one another. Periodically portals will appear which grant players access to the Brain of Yogg-Saron, while inside they must dispel illusions in order to escape, before they are a

  • The Keepers of Ulduar

    Speak to the Keepers of Ulduar and they will join the battle and provide additional buffs and benefits while engaged with Yogg-Saron.

  • Stage One: The Lucid Dream

    As Sara assaults her enemies Guardians of Yogg-Saron will periodically join the battle.

  • Stage Two: Descent Into Madness

    Yogg-Saron reveals himself and begins his assault on his enemies mind.

  • Stage Three: True Face of Death

    When the Brain of Yogg-Saron reaches 30% health remaining, Yogg Saron's [Shadowy Barrier] will fall and he can be assaulted directly.

  • Hard Mode

    Battling Yogg-Saron without the aid of some or all of the Keepers of Ulduar for assistance is possible, but extremely dangerous.

Loot

Showing the first 20 of 92 items. Open The Boss Page

14. Algalon the Observer

Loken's death triggered a warning to the titan Pantheon that Azeroth had lost its Prime Designate. Algalon the Observer has been dispatched to evaluate the presence of systemic corruption. If necessary, the constellar will trigger the re-origination of the entire world, wiping out all its current inhabitants.

Abilities

Blizzard's journal lists no ability notes for this boss.

Loot

Showing the first 20 of 33 items. Open The Boss Page

See Every Raid Guide

Data from patch 12.1.0. Game data provided by Blizzard Entertainment through the Battle.net API.