Defeat Forgemaster Garfrost in The Pit of Saron on Heroic Difficulty before any player gets 11 stacks of Permafrost.

Defeat the Halls of Lightning 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 Gamma is active.

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

Defense Protocol Gamma: Drak'Tharon Keep

Defense Protocol Gamma: Ahn'kahet: The Old Kingdom

Defense Protocol Gamma: Utgarde Keep

Defeat the boss encounters in the Halls of Stone 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.

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

Defense Protocol Gamma: The Nexus

Defense Protocol Gamma: Gundrak

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

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 bosses in The Pit of Saron.

Defeat the bosses in The Pit of Saron on Heroic difficulty.

Defeat the bosses in The Forge of Souls

Defeat the bosses in The Forge of Souls on Heroic difficulty

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 boss encounters in Halls of Stone.

Defeat Eadric the Pure in the Trial of the Champion with his own hammer on Heroic Difficulty.

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

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

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

Defeat The Nexus 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 Pinnacle 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 Azjol-Nerub 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 Zuramat the Obliterator in The Violet Hold on Heroic Difficulty without killing any void sentries.

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

Defeat Gal'darah in Gundrak on Heroic Difficulty and have 5 unique party members get impaled throughout the fight.

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

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

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

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

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

Defeat Elder Nadox in Ahn'kahet on Heroic Difficulty without killing any Ahn'kahar Guardians.

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

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

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

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

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

Defeat Jedoga Shadowseeker in Ahn'kahet on Heroic Difficulty without killing any Twilight Volunteers.

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

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

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

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

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

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

Defeat the bosses in Halls of Lightning.

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

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

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

Defeat the Utgarde Pinnacle bosses on Heroic Difficulty.

Defeat the bosses in Utgarde Pinnacle.

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 within 3 minutes of starting the gauntlet event.

Defeat The Nexus bosses on Heroic Difficulty.

Defeat the bosses in Utgarde Keep.