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This article is about the in-game boss. For character biography, see Onyxia. For the original encounter at level 60, see Onyxia (original).
MobOnyxia
Image of Onyxia
Race Dragon (Dragonkin)
Level ?? Boss
Reaction Alliance Horde
Location Onyxia's Lair, Dustwallow Marsh

Onyxia is a level ?? boss black dragon in Onyxia's Lair.

Differences from level 60

Onyxia no longer drops threat and is no longer immune to fire effects and abilities. Deep Breath's cast time has been increased. Onyxian Lair Guards now spawn in phase 2. Melee can no longer hit Onyxia in Phase 2 .

Onyxia's 10-man abilities

Onyxia has approximately 4,800,000 HP.

Phase One

Onyxia melees for about 12-15,000 on plate. Onyxia is tauntable.

  • Spell fire fire Flame Breath — Two second cast, 45 yard frontal cone. About 20,000 damage unresisted.
  • Ability warrior cleave Cleave — 100% Weapon damage cleave in her frontal arc. Cast often.
  • Inv misc monsterscales 14 Wing Buffet — ~15,000 physical damage in a 20 yard frontal cone. Ignores armour.
  • Inv misc monsterscales 05 Tail Sweep — ~5,000 physical damage to targets near her tail. Ignores armour. Large knockback, often into the whelp caves.

Phase Two

Onyxia deep breath details

Deep Breath IS random!

Onyxia takes off at 65% and has no threat table.

  • Spell fire flamebolt Fireball — Two second cast, random target in the raid. 10 yard AoE. About 5,000 damage unresisted.
  • Spell fire fire Breath — Onyxia emotes "Onyxia takes in a deep breath..." and about six seconds later all targets in a direct line in front of her will take repeated 4-5,000 Fire damage hits. The number of times hit depends on how close to the middle of the line the target is. Being in the middle of the breath is generally fatal.
  • Spawn Onyxian Whelps - At the beginning of phase two and about every 90 seconds after Onyxia will spawn 40 Onyxian whelps with 60,000 HP who melee for 500 or so on plate. 20 will come from each side of the whelp cave.
  • Spawn Onyxian Lair Guard - Every 30 seconds or so in phase 2 Onyxia will spawn an Onyxian Lair Guard with 190,000 HP. This will cast Ignite Weapon which adds 25,000 fire damage to its melee attacks and gives them a 5 yard AoE, and Blast Nova which does 25,000 fire damage to targets within 10 yards.

Phase Three

Onyxia lands at 40% HP. She retains all her phase one abilities and gains some additional abilities.

  • Spell fire fire Bellowing Roar — 1.5 second cast, 100 yard AoE fear. Three second duration.
  • Spell fire fire Eruption — During the duration of bellowing roar lava will erupt from the cracks in the floor. Being touched deals about 5,000 Fire damage.
  • Spawn Onyxian Whelps - Small numbers of Whelps will continue to spawn in phase 3.

Strategy

This is (still) a very simple encounter.

Phase One

This phase simply involves pointing Onyxia at the back wall, healing the tank and DPS-ing her to 65%. Only the tank should be in front of her to minimize damage from fire breath and cleaving. Ranged DPS and healers need to stay to either side of her, fairly far back. Melee DPS needs to stay just within range (which is wider than it looks). If melee DPS is too far forward, they will be killed by Cleave; if they're too far back, they will be tail swiped, possibly into the whelps, usually resulting in a wipe.

Phase Two

At the beginning of this phase, you will want to gather up and AoE down the first wave of whelps (who can do considerable tank damage with all 40 attacking the same target). Onyxia's fireball damage is fairly negligible. DPS can then commence on Onyxia herself who moves randomly around the room.

During this phase, there are two important things to watch out for:

On a regular timer, a Lair Guard will spawn at the entrance to the room. These need to be tanked with a dedicated healer, and ranged DPS should busy themselves with bringing these down as fast as possible. If the guards stack up too rapidly, some melee DPS may need to assist. Be aware that the guards hit very hard, and have a periodic AoE (Blast Nova 10 yard range) that can easily kill the melee DPS around it. This AoE has a cast time, and is easy to run out of if you don't underestimate its range.


When Onyxia emotes for Deep Breath, note her direction, and get out of her path. She'll fly straight in the direction she's pointing, and leave a trail of massive damage about 10 yards wide. If in doubt, run all the way to the nearest side of the room, or against the wall behind her.

You may get another wave of whelps in which case gather and AoE as before. When Onyxia hits 40% she will land for good.

Phase 3

She will cast Bellowing Roar immediately upon landing. Finish off whatever adds remain while the tank positions Onyxia (who has wiped threat from phase 1, it's advisable to have a fear ward or a fear break on the tank initially). DPS may also wish to hold off until the tank establishes some margin of threat, or use skills such as Misdirect and Tricks of the Trade, though healers are still in danger.

Phase 3 is little different from phase one aside from fears, some raid damage from eruption and occasional whelp spawns which are not too dangerous. She does nothing else special and will die upon reaching 0% HP.

Loot

Guaranteed drops
25-man Weapons
25-man Helms
25-man Misc. Gear
10-man Weapons
10-man Helms
10-man Misc. Gear
Rare mount

Related achievements

Many of the new achievements are named after famous sentences taken from the Onyxia Wipe Animation, later transformed into a Raid Assistant.

Patches and hotfixes

Template:Patched

References

 

External links

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