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

Defeat Yogg-Saron with the assistance of one or fewer Keepers in 25-player mode.

Defeat Yogg-Saron with the assistance of two or fewer Keepers in 25-player mode.

Defeat Yogg-Saron with the assistance of three or fewer Keepers in 25-player mode.

Defeat Yogg-Saron without any raid member going insane in 25-player mode.

Defeat every boss in Ulduar in 25-player mode.

Defeat the bosses of The Descent into Madness area of Ulduar in 25-player mode.

Defeat every boss in Icecrown Citadel in 25-player Heroic mode.

Defeat the bosses of The Frostwing Halls in Icecrown Citadel in 25-player Heroic mode.

Complete the 25-player raid achievements listed below.

Defeat the first four bosses in Icecrown Citadel in 25-player Heroic mode.

Defeat Freya while leaving all 3 Elders alive in 10-player mode.

Defeat Freya while leaving at least 2 Elders alive in 10-player mode.

Defeat Freya while leaving at least 1 Elder alive in 10-player mode.

Defeat the bosses of The Plagueworks in Icecrown Citadel in 25-player Heroic mode.