Defeat Sjonnir the Ironshaper in the Halls of Stone on Heroic Difficulty and kill 5 Iron Sludges during the encounter.

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

Kill 100 Risen Zombies in 1 minute in The Culling of Stratholme on Heroic Difficulty.

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

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

Defeat the bosses in Utgarde Pinnacle.

Defeat the bosses in The Pit of Saron.

Defeat the bosses in The Forge of Souls

Defeat the bosses in The Oculus.

Defeat the bosses in Caverns of Time: Stratholme.

Defeat the boss encounters in Halls of Stone.

Defeat the bosses in Gundrak.

Defeat Cyanigosa in The Violet Hold.

Defeat the bosses in Drak'Tharon Keep.

Defeat the bosses in Azjol-Nerub.

Defense Protocol Gamma: Utgarde Keep

Defeat the bosses in Ahn'kahet: The Old Kingdom.

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

Defense Protocol Gamma: Ahn'kahet: The Old Kingdom

Clear the hallway before Scourgelord Tyrannus in The Pit of Saron on Heroic Difficulty without anyone taking icicle damage on the first try.

Defeat the bosses in The Nexus.

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

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

Defeat the bosses in the Trial of the Champion on Heroic Difficult while Defense Protocol Beta is active.

Defeat the bosses in the Trial of the Champion on Heroic Difficulty.

Defeat the bosses in the Trial of the Champion on Heroic Difficult while Defense Protocol Gamma is active.

Defeat the bosses in the Trial of the Champion.

Escape from the Lich King in under 6 minutes.

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

Defeat the bosses in The Halls of Reflection.

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

Defense Protocol Gamma: The Nexus

Defeat the bosses in Utgarde Keep.

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

Defeat The Oculus 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 Black Knight in the Trial of the Champion on Heroic Difficulty without any player in the group being hit by a ghoul explosion.

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

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

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

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

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

Defeat Krik'thir the Gatewatcher in Azjol-Nerub on Heroic Difficulty while Watcher Gashra, Watcher Narji, and Watcher Silthik are still alive.

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

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

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

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

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

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

Defeat the Halls of Lightning bosses on Heroic Difficulty.

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

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

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

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

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

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.

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 the Utgarde Keep bosses on Heroic Difficulty.

Defeat The Nexus 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 the bosses in Halls of Lightning.