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 Drak'Tharon Keep.

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

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

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

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

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

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

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

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

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

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

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

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

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

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 Emerald Drake.

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

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

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

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.

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

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.

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

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

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