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Onyxia rising above adventurers on a cavern ledge

Onyxia's Lair Guide — Raid guide · WoW Wrath of the Lich King

Level
80
Group
10 or 25
Bosses
1
Difficulty
Raid
Location
Dustwallow Marsh
Key
None needed

How the run goes

The fifth-anniversary Onyxia, rebuilt for level 80 in a raid of ten or twenty-five. The tunnel and the three phases are the same as the original: ground, air and ground again.

Group: Ten or twenty-five players: two tanks, two to six healers and damage dealers. Assign whelp pickup and spread the raid for the air phase.

Map and route

100%
Onyxia's Lair, interior mapEntranceEntranceStop 1: Onyxia

Down the tunnel past the Onyxian Warders into the lair: a single boss.

  2. strategy

  1. 1.The lair

    Down the tunnel past her guards into the round lair; avoid the egg caves along the sides.

    1. 1Onyxia

Boss by boss

The lair

On the way: A few guards in the tunnel; the danger is the egg caves.

  1. 1

    Onyxia

    Loot and drops →
    10-player
    Level
    83 · Boss
    Health
    4,880,750
    Armor
    10,673
    25-player
    Level
    83 · Boss
    Health
    22,312,000
    Armor
    10,673
    • Breath
    • Heated GroundDeals 4125 to 5875 Fire damage every second to all enemies near the heated ground for 4 sec.
    • Bellowing RoarReleases a bellowing roar, which fears all enemies for 3 sec.
    • Flame BreathInflicts 18850 to 21150 Fire damage to enemies in a cone in front of the caster.
    • Tail SweepInflicts 8325 to 9675 damage on enemies in a cone behind the caster, knocking them back.
    • CleaveInflicts normal damage to an enemy and its nearest allies, affecting up to 10 targets.
    • Wing BuffetInflicts 21678 to 24322 damage to enemies in a cone in front of the caster, knocking them back.
    • FireballInflicts 4713 to 5287 Fire damage to all enemies in a selected area.

    Three phases. On the ground she breathes fire ahead and sweeps her tail behind; in the air she flies over the room, throws fireballs and breathes across it; when she lands again she fears the raid and the floor erupts.

    1. Ground (until about two thirds of her health): tank her with her head away from the raid; nobody stands in front of her or behind her tail.
    2. Air: she circles, fireballs random players and sometimes breathes in a line across the room. Whelps pour from the side caves, and Onyxian Lair Guards join them.
    3. Ground again (below about 40%): she fears the whole raid every so often, and lava erupts from cracks in the floor.
    Tanks
    Pull her to the back of the room and turn her so her breath and tail miss the raid. When she lifts off, wait under her landing spot; pick her up the moment she lands. In the last phase stay fear-immune where you can (Fear Ward, Berserker Rage, a Tremor Totem) so she never turns.
    Healers
    Keep the tank topped up through her breath on the ground. In the air phase stand spread out to the sides so one fireball hits one player, and heal through the fireballs. Expect the raid to scatter in the fears of the last phase: heal whoever lands in the eruptions.
    Damage dealers
    Let the tank build threat before you start. In the air phase, ranged damage keeps hitting her while melee and area damage clear the whelps; tanks pick up the Lair Guards. Watch where she faces in the air: when she inhales, run out of the line she will breathe along. In the last phase, burn her.

Before you go

  • Keep everyone away from her head and tail, and spread for the air phase fireballs.
  • Stand away from the lair's walls in the last phase when she fears.
  • Level 80, no attunement. Zidormi outside the lair returns you to the level-60 version.

More about Onyxia's Lair