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Defeat Yogg-Saron without any raid member going insane in 10-player mode.

Defeat every boss in Ulduar in 10-player mode.

Defeat the bosses of The Descent into Madness area of Ulduar in 10-player mode.

Defeat General Vezax after defeating the Saronite Animus in 10-player mode.

Defeat Mimiron after activating his Self-Destruct mechanism in 10-player mode.

Defeat Thorim without any raid member being struck by Lightning Charge in 10-player mode.

Defeat 25 Dark Rune Guardian Dwarves with Razorscale's Flame Breath in 10-player mode.

Engage King Dred in Drak'Tharon Keep on Heroic Difficulty and slay 6 Drakkari Gutrippers or Drakkari Scytheclaw during his defeat.

Defeat Jedoga Shadowseeker in Ahn'kahet on Heroic Difficulty without killing any Twilight Volunteers.

Defeat Elder Nadox in Ahn'kahet on Heroic Difficulty without killing any Ahn'kahar Guardians.

Defeat Ley-Guardian Eregos in The Oculus on Heroic Difficulty without anyone in your party using an Amber Drake.

Defeat Ley-Guardian Eregos in The Oculus on Heroic Difficulty without anyone in your party using an Emerald Drake.

Defeat Ley-Guardian Eregos in The Oculus on Heroic Difficulty without anyone in your party using a Ruby Drake.

Defeat Icehowl while at least 2 Snobolds remain alive in 10-player mode.

Defeat the bosses in The Halls of Reflection on Heroic Difficulty.