Defeat the Devourer of Souls in The Forge of Souls on Heroic Difficulty without him successfully casting Phantom Blast.

Defeat the bosses in The Forge of Souls on Heroic difficulty

Defeat the Drak'Tharon Keep bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Azjol-Nerub bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Halls of Lightning bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat The Nexus bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat The Oculus bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Utgarde Pinnacle bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Gundrak bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Utgarde Keep bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat Cyanigosa in The Violet Hold on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Caverns of Time: Stratholme bosses on Heroic Difficulty while Defense Protocol Beta is active.

Defeat the Drak'Tharon Keep bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat the boss encounters in the Halls of Stone on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat the boss encounters in the Halls of Stone on Heroic Difficulty.

Defeat Xevozz, Lavanthor, Ichoron, Zuramat the Obliterator, Erekem, and Moragg in The Violet Hold on Heroic Difficulty.

Defeat the Ahn'kahet: The Old Kingdom bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat Herald Volazj in Ahn'kahet on Heroic Difficulty in 2 minutes or less.

Defeat Ley-Guardian Eregos in The Oculus on Heroic Difficulty within 20 minutes of Drakos the Interrogator's death.

Defeat Gal'darah in Gundrak on Heroic Difficulty while under the effects of Eck Residue.

Defeat Cyanigosa in The Violet Hold without using Defense Control Crystals and with Prison Seal Integrity at 100% while in Heroic Difficulty.

Defeat The Oculus bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat The Oculus bosses on Heroic Difficulty.

Defeat the Gundrak bosses on Heroic Difficulty.

Defeat the Gundrak bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat General Bjarngrim in the Halls of Lightning on Heroic Difficulty while he has a Temporary Electrical Charge.

Defeat The Nexus bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat Grand Magus Telestra in The Nexus on Heroic Difficulty after having killed her images within 5 seconds of each other during both splits.

Defeat Slad'ran in Gundrak on Heroic Difficulty without getting snake wrapped.

Defeat the Azjol-Nerub bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat the Halls of Lightning bosses on Heroic Difficulty.

Defeat the Halls of Lightning bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat Loken in the Halls of Lightning on Heroic Difficulty in 2 minutes or less.

Defeat Volkhan in the Halls of Lightning on Heroic Difficulty without allowing him to shatter more than 4 Brittle Golems.

Defeat the Utgarde Pinnacle bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat the Utgarde Keep bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat the Utgarde Keep bosses on Heroic Difficulty.

Defeat Cyanigosa in The Violet Hold on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat Cyanigosa in The Violet Hold on Heroic Difficulty.

Defeat Ichoron in the Violet Hold on Heroic Difficulty without allowing any Ichor Globules to merge.

Defeat the Tribunal of Ages encounter in the Halls of Stone on Heroic Difficulty without allowing Brann Bronzebeard to take any damage.

Defeat the Caverns of Time: Stratholme bosses on Heroic Difficulty while Defense Protocol Alpha is active.

Defeat the Caverns of Time: Stratholme bosses on Heroic Difficulty.

Defeat the Infinite Corruptor in The Culling of Stratholme on Heroic Difficulty.

Defeat the Drak'Tharon Keep bosses on Heroic Difficulty.

Defeat Novos the Summoner in Drak'Tharon Keep on Heroic Difficulty without allowing any undead minions to reach the floor.

Defeat King Ymiron in Utgarde Pinnacle on Heroic Difficulty without anyone in the party triggering Bane.

Defeat the Utgarde Pinnacle bosses on Heroic Difficulty.

Defeat Skadi the Ruthless in Utgarde Pinnacle on Heroic Difficulty after having killed Grauf from 100% to dead in a single pass.

Defeat Skadi the Ruthless in Utgarde Pinnacle on Heroic Difficulty within 3 minutes of starting the gauntlet event.

Defeat The Nexus bosses on Heroic Difficulty.

Defeat Keristrasza in The Nexus on Heroic Difficulty without allowing Intense Cold to reach more than two stacks.

Defeat the Azjol-Nerub bosses on Heroic Difficulty.

Defeat Anub'arak in Azjol-Nerub on Heroic Difficulty in 4 minutes or less.

Defeat Hadronox in Azjol-Nerub on Heroic Difficulty before he webs the top doors and prevents more creatures from spawning.

On three different visits to The Oculus, get credit for defeating Ley-Guardian Eregos while riding an Amber, Emerald, and Ruby drake on Heroic Difficulty.

Defeat the Ahn'kahet: The Old Kingdom bosses on Heroic Difficulty.