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

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

Defense Protocol Gamma: Drak'Tharon Keep

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

Defense Protocol Gamma: Drak'Tharon Keep

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

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

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

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

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

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

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

Defeat Moorabi in Gundrak on Heroic Difficulty while preventing him from transforming into a mammoth at any point during the encounter.

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

Defeat Anomalus in The Nexus on Heroic Difficulty without destroying any Chaotic Rifts.

Defeat Trollgore in Drak'Tharon Keep on Heroic Difficulty before Consume reaches ten stacks.

Defeat Zuramat the Obliterator in The Violet Hold on Heroic Difficulty without killing any void sentries.

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

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

Defeat the bosses in Caverns of Time: Stratholme.

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

Defeat Prince Keleseth in Utgarde Keep on Heroic Difficulty without shattering any Frost Tombs.

Defeat the bosses in Drak'Tharon Keep.

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

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

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 the boss encounters in Halls of Stone.

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

Defeat the Maiden of Grief in the Halls of Stone on Heroic Difficulty in 1 minute or less.

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

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

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

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

Defeat the bosses in The Oculus.

Defeat The Oculus bosses on Heroic Difficulty.

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

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

Force Svala Sorrowgrave to kill a Scourge Hulk on Heroic Difficulty in Utgarde Pinnacle.

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

Defeat the bosses in Halls of Lightning.