Azeroth Survivors Ossirian: Boss Guide

Ossirian the Unscarred in Azeroth Survivors quick reference card

Updated 2026-11-09

Version game build 077e7fb, data exported 2026-11-04

Azeroth Survivors Ossirian is the fourth encounter in Gates of Ahn'Qiraj, arriving at sixteen hundred from the run start. Princess Huhuran appears before him, and C'Thun follows him in the zone schedule. Ossirian has twenty-four thousand seven hundred fifty base health, and his fight asks you to use crystals, dodge marked attacks, and keep space to handle incoming summons.

When does Azeroth Survivors Ossirian appear?

Ossirian arrives at sixteen hundred, with the schedule measuring that time from the start of the run. That makes him the fourth encounter in Gates of Ahn'Qiraj. If you are planning a run around boss appearances, use the run clock as your reference: his arrival time is not measured from the previous boss or from entering a particular area.

The encounters around him provide a straightforward schedule cue. Princess Huhuran appears before Ossirian, and C'Thun appears after him. So Ossirian sits between those two bosses in the zone order. The Gates of Ahn'Qiraj zone guide is a useful place to keep the wider zone route in view while planning for this encounter.

The sixteen hundred marker tells you when to expect the encounter; it does not describe how quickly the fight’s actions resolve. During the fight, action timing can speed up after Ossirian’s health first drops below 30%, and simultaneous casts also affect the listed base intervals. Treat his arrival time and his attack cadence as separate pieces of timing information.

Ossirian the Unscarred showing his Gates of Ahn'Qiraj encounter
Ossirian is the fourth encounter in the Gates of Ahn'Qiraj schedule.

How much HP does Ossirian the Unscarred have?

Ossirian has twenty-four thousand seven hundred fifty base health. That is the listed base value for the boss, so use it as a reference for the encounter rather than as a promise about how long the fight will take. Your practical priority is to keep dealing damage while responding to the mechanics that create openings and demand movement. Azeroth Survivors Ossirian rewards players who keep pressure up while staying ready to move.

His base hit is 52, and his base move speed is 6. Those figures help describe the boss alongside his health: he can deal a substantial base hit and has a listed movement speed, while the fight also asks you to react to circles, moving orbs, crystals, and summoned enemies. Keep those mechanics in mind as you decide when to attack and when to move.

The health threshold to watch is below 30%. Once Ossirian’s health first drops below that point, his actions speed up. Several actions also have base intervals, and simultaneous casts affect those intervals. That means the later part of the encounter can feel busier than the opening. Continue watching for visual warnings and attack paths as his health falls, rather than assuming the opening pace will hold for the whole fight.

For class planning, you can compare your approach with a Hunter build or browse the broader class guides. The listed health does not specify how quickly any particular setup will defeat Ossirian, so focus on keeping your character in a position to handle the mechanics while maintaining damage.

Ossirian the Unscarred showing the boss health encounter
The boss has twenty-four thousand seven hundred fifty base health, with faster actions after the health threshold.

What attacks does Azeroth Survivors Ossirian use?

The encounter includes Shield, Crystals, Circle around the boss, Moving orbs, and Summon. Their base intervals are useful cues for what may come next, but they do not guarantee that each action will happen alone or at a fixed pace. Simultaneous casts affect the intervals, and Ossirian’s actions speed up after his health first falls below 30%.

ActionBase interval
ShieldBase interval 30 s
CrystalsBase interval 15 s
Circle around the bossBase interval 8 s
Circle around the bossWarning time 1.3 s
Moving orbsBase interval 14 s
SummonBase interval 12 s

Crystals recur at a base interval of 15 seconds, with two crystals counted. Stand in a crystal zone to weaken Ossirian. Circle around the boss has an 8-second base interval and a 1.3-second warning, so watch for its mark and move outside the marked circle before it resolves. Moving orbs have a 14-second base interval and a count of two; keep room to move and avoid their visible projectile path.

Summon has a 12-second base interval and brings in 12 summons. Shield is also part of the encounter, with a 30-second base interval. These are base intervals, not a guarantee of a completely isolated sequence: simultaneous casts can affect them, and the later health phase speeds actions up. Keep looking for the visible attack cues instead of relying on a timer alone.

Ossirian the Unscarred showing his crystal and attack mechanics
Crystals, circles, orbs, Shield, and Summon shape the encounter.

How do you beat Ossirian the Unscarred?

Use the crystals as part of your damage plan. When a crystal zone appears, stand in it to weaken Ossirian. The crystals recur at a base interval of 15 seconds and two are counted, so keep an eye out for the zones as you move through the fight. The weakening effect gives you a reason to respond to their placement rather than treating each appearance as background scenery. For Azeroth Survivors Ossirian, using each crystal zone is a key part of your approach.

For Circle around the boss, react to the warning and get outside the marked circle before the attack resolves. The warning is 1.3 seconds, and the action has an 8-second base interval. Moving orbs call for a different response: leave yourself room to reposition and avoid the visible projectile path. Staying alert to the marks and paths is more useful than holding a fixed spot.

Summon brings in 12 enemies at a 12-second base interval. Keep an exit through the adds so the new enemies do not surround you. That escape route matters while you continue moving between crystal zones and avoiding the other attacks. Do not let the summons cut off the space you need to respond to the next visible threat.

As Ossirian’s health falls below 30% for the first time, his actions speed up. The listed intervals are base intervals, and simultaneous casts affect them too, so keep tracking each action rather than expecting the same tempo throughout. You can also check a Mage build or a Warrior build for class-specific planning, while using the crystal, circle, orb, and summon cues to guide your movement.

Ossirian the Unscarred showing movement around marked attacks
Use crystal zones, leave marked circles, and preserve an exit through summons.

What drops from Ossirian the Unscarred?

Ossirian’s listed class loot includes three Legendary waist items, each with a 20% base drop chance. The Hunter item is Cryptstalker Belt, the Warrior item is Dreadnaught Girdle, and the Paladin item is Redemption Girdle. Each is tied to its listed class, so check the item for your character when considering the encounter’s rewards.

Cryptstalker Belt is a Legendary waist item for Hunters, with a 20% base drop chance. If you are building around a Hunter, the Hunter build guide gives you a place to review class options alongside this boss reward. The belt is the Hunter’s class loot listed for Ossirian; the other class items in the encounter loot are the Warrior and Paladin waist pieces.

The Warrior’s Dreadnaught Girdle and the Paladin’s Redemption Girdle are also Legendary waist items, each listed at a 20% base drop chance. These class rewards give each of the listed classes a corresponding waist item to look for. The drop chance is a base chance, so treat it as the listed rate rather than a guarantee that the item will appear on a particular attempt.

Ossirian’s reward list is limited here to those class items and their stated base chances. The encounter still requires attention to crystals, marked circles, moving orbs, and summons while you fight for a chance at the loot. Keep your character’s class in mind when checking which of the listed Legendary waist items is relevant to your run.

Ossirian the Unscarred showing his class loot rewards
The listed class loot includes Legendary waist items for Hunters, Warriors, and Paladins.

Azeroth Survivors Ossirian FAQ

When does Ossirian appear in Azeroth Survivors?

He appears at sixteen hundred, measured from the start of the run. Princess Huhuran is before him in the schedule, and C'Thun is after him.

How much health does Ossirian have?

Ossirian has twenty-four thousand seven hundred fifty base health. His base hit is 52 and his base move speed is 6.

Which attack should I move away from in Azeroth Survivors Ossirian?

Move outside the marked circle before Circle around the boss resolves. For Moving orbs, leave room to move and avoid the visible projectile path.

How do crystals help in the fight?

Stand in a crystal zone to weaken Ossirian. Two crystals are counted, and they recur at a base interval of 15 seconds.

What loot can Ossirian drop?

Azeroth Survivors Ossirian has listed class loot for Hunters, Warriors, and Paladins: Cryptstalker Belt, Dreadnaught Girdle, and Redemption Girdle. Each is a Legendary waist item with a 20% base drop chance.

Sources

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