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Defeat Siamat, Lord of the South Wind, with 3 stacks of Lightning Charge in Lost City of the Tol'vir on Heroic Difficulty.

Defeat 20 Frenzied Crocolisks within 10 seconds during the Lockmaw encounter in the Lost City of the Tol'vir on Heroic Difficulty.

Defeat an Unyielding Behemoth while you have the Tidal Surge effect during the Ozumat encounter in Throne of the Tides on Heroic Difficulty.

Get Lady Naz'jar to kill one of her minions with her Geyser ability in Throne of the Tides on Heroic Difficulty.

Completely avoid the Static Cling effect during the Asaad encounter in the Vortex Pinnacle on Heroic Difficulty.

Defeat Asaad in the Vortex Pinnacle on Heroic Difficulty.

Complete the Cataclysm Heroic dungeon achievements listed below.

Collect 5 Golden Orbs in a single visit to the Vortex Pinnacle on Heroic Difficulty.

Defeat 3 Burning Souls during the High Prophet Barim encounter in Lost City of the Tol'vir on Heroic Difficulty.

Defeat Commander Springvale without allowing him to receive Unholy Empowerment in Shadowfang Keep on Heroic Difficulty.

Defeat Baron Ashbury without letting him heal with Stay of Execution in Shadowfang Keep on Heroic Difficulty.

Defeat Erudax without letting a Faceless Corruptor begin to cast Twilight Corruption on any of Alexstrasza's Eggs in Grim Batol on Heroic Difficulty.

Defeat Erudax in Grim Batol on Heroic Difficulty.

Defeat General Umbriss while he is affected with Modgud's Malice in Grim Batol on Heroic Difficulty.

Defeat Ascendant Lord Obsidius without any party member reaching 4 stacks of Crepuscular Veil in Blackrock Caverns on Heroic Difficulty.