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Mythic: Kil'jaeden
Defeat Kil'jaeden in Tomb of Sargeras on Mythic difficulty.
Mythic: Kil'jaeden is a 10-point achievement earned by defeating Kil'jaeden in Tomb of Sargeras on Mythic difficulty, rewarding the title The Darkener.
Enter Tomb of Sargeras
Enter Tomb of Sargeras on Mythic difficulty and work through the raid until you reach Kil'jaeden. The first phase is percentage-based, so hold major cooldowns until the phase transition.
Survive the Orb Phase
When Kil'jaeden flies into the air, purple orbs drop in the corners of the platform — Kil'jaeden has 99% damage reduction during this phase, so ignore DPS entirely. Run to the first orb and angle yourself so it bounces you toward the next orb, then repeat for all three rounds of orbs, ping-ponging from one to the next.
Burn Kil'jaeden Down
Once Kil'jaeden lands back on the platform after the orb phase, pop all major cooldowns and deal as much damage as possible to finish the fight.
Tips
The darkness phase can be skipped in Dragonflight and later, making this fight significantly more manageable to solo.
Save movement abilities such as blinks or dashes for the orb phase only when absolutely necessary — with correct positioning, the orbs can be chained without using any movement abilities at all.
See the video guide for a visual walkthrough of the orb bounce pathing.