Ulduar Guide

30-second TL;DR

Adventure Guide says

The Adventure Guide lists 14 encounters: Flame Leviathan, Ignis the Furnace Master, Razorscale, XT-002 Deconstructor, The Assembly of Iron, Kologarn, Auriaya, Hodir, Thorim, Freya, Mimiron, General Vezax, Yogg-Saron, Algalon the Observer.

Encounters

Flame Leviathan27 abilities · 59 dropsThe Flame Leviathan will target and pursue after random Siege Vehicles and quickly destroy any vehicle that it catches!

Ignis the Furnace Master9 abilities · 49 dropsIgnis the Furnace Master will activate Iron Constructs which need to Heat Up and Shattered to destroy them.

Razorscale12 abilities · 48 dropsIn Stage One defend the Expedition Engineers from the invading forces until they can repair Harpoon Turrets.

XT-002 Deconstructor12 abilities · 63 dropsUpon reaching 75%, 50%, and 25% health the Heart of the Deconstructor will become exposed and bots will begin to join the fight.

The Assembly of Iron16 abilities · 68 dropsDefeating 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.

Kologarn8 abilities · 46 dropsKologarn's arms can be destroyed, restricting his ability to use abilities.

Auriaya10 abilities · 49 dropsAuriaya patrols the Observation Ring with her four Sanctum Sentries which will ravage their target with a Savage Pounce when engaged.

Hodir16 abilities · 73 dropsBreak out allies trapped in Flash Freeze.

Thorim9 abilities · 72 dropsThorim 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.

Freya12 abilities · 70 dropsDuring Stage One stacks of Attuned to Nature must be removed by defeating the Allies of Nature.

Mimiron17 abilities · 75 dropsMimiron engages his enemies with inventions rather than directly in combat.

General Vezax9 abilities · 62 dropsGeneral Vezax inflicts all healers with Aura of Despair, removing all mana regeneration.

Yogg-Saron30 abilities · 80 dropsSara 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.

Algalon the Observer33 drops

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.

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

How many bosses are in Ulduar?

The Adventure Guide lists 14 encounters.

What loot does Ulduar drop?

The journal lists 847 drops across its encounters. Open a boss guide or the database page for the per-encounter tables.

Is this the Ulduar database page?

No. This is the encounter guide. The encyclopedia page with the raw journal tree and the full loot grid is linked as Database on this 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). We do not invent positioning, assignments, or cooldown timings.

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.