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

Defense Protocol Gamma: Drak'Tharon Keep

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

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

Defense Protocol Gamma: Drak'Tharon Keep

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

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

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

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.

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

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

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