Defeat Murozond in End Time on Heroic Difficulty.

Defeat Asaad in the Vortex Pinnacle on Heroic Difficulty.

Defeat Erudax without letting a Faceless Corruptor begin to cast Twilight Corruption on any of Alexstrasza's Eggs in Grim Batol on Heroic Difficulty.

Defeat General Umbriss while he is affected with Modgud's Malice in Grim Batol on Heroic Difficulty.

Defeat High Priestess Azil in the Stonecore on Heroic Difficulty.

Defeat Ozumat in Throne of the Tides on Heroic Difficulty.

Defeat Erudax in Grim Batol on Heroic Difficulty.

Defeat Siamat, Lord of the South Wind in the Lost City of the Tol'vir on Heroic Difficulty.

Defeat Ascendant Lord Obsidius in Blackrock Caverns.

Defeat Rajh in Halls of Origination.

Defeat Vanessa VanCleef in Deadmines on Heroic Difficulty.

Defeat Lord Godfrey in Shadowfang Keep on Heroic Difficulty.

Defeat Rom'ogg Bonecrusher after using his Skullcracker ability to kill 10 Angered Earth elementals in Blackrock Caverns on Heroic Difficulty.

Allow all three of Corla's zealots to evolve, then defeat Corla after slaying the evolved zealots in Blackrock Caverns on Heroic Difficulty.

Defeat Karsh Steelbender after he has reached 15 stacks of Superheated Quicksilver Armor in Blackrock Caverns on Heroic Difficulty.

Defeat Ascendant Lord Obsidius without any party member reaching 4 stacks of Crepuscular Veil in Blackrock Caverns on Heroic Difficulty.

Get Lady Naz'jar to kill one of her minions with her Geyser ability in Throne of the Tides on Heroic Difficulty.

Defeat an Unyielding Behemoth while you have the Tidal Surge effect during the Ozumat encounter in Throne of the Tides on Heroic Difficulty.

Defeat 60 Disciples within 10 seconds during the High Priestess Azil encounter in the Stonecore on Heroic Difficulty.

Completely avoid the Static Cling effect during the Asaad encounter in the Vortex Pinnacle on Heroic Difficulty.

Collect 5 Golden Orbs in a single visit to the Vortex Pinnacle on Heroic Difficulty.

Defeat 3 Burning Souls during the High Prophet Barim encounter in Lost City of the Tol'vir on Heroic Difficulty.

Defeat 20 Frenzied Crocolisks within 10 seconds during the Lockmaw encounter in the Lost City of the Tol'vir on Heroic Difficulty.

Defeat Siamat, Lord of the South Wind, with 3 stacks of Lightning Charge in Lost City of the Tol'vir on Heroic Difficulty.

Defeat Temple Guardian Anhuur without allowing him to sing Reverberating Hymn for more than 15 seconds in Halls of Origination on Heroic Difficulty.

Defeat Earthrager Ptah while mounted on a camel in the Halls of Origination on Heroic Difficulty.

Defeat Rajh before he completes an entire recharging phase in the Halls of Origination on Heroic Difficulty.

Complete the Vault of Lights within 5 minutes of entering in the Halls of Origination on Heroic Difficulty.

Do not get hit by Fire Wall in the Glubtok encounter in Deadmines on Heroic Difficulty.

Kill 20 Mine Rats during the Helix Gearbreaker encounter in Deadmines on Heroic Difficulty.

Keep the Prototype Reaper from falling below 90% health at any time before the Foe Reaper 5000 is defeated in Deadmines on Heroic Difficulty.

Allow three Freezing Vapors to cast Coalesce during the Admiral Ripsnarl encounter in Deadmines on Heroic Difficulty.

Do not gain more than one stack of Nauseated during the Cookie encounter in Deadmines on Heroic Difficulty.

Engage Vanessa VanCleef within 5 minutes of being inflicted with the Nightmare Elixir in Deadmines on Heroic Difficulty.

Defeat Baron Ashbury without letting him heal with Stay of Execution in Shadowfang Keep on Heroic Difficulty.

Defeat Commander Springvale without allowing him to receive Unholy Empowerment in Shadowfang Keep on Heroic Difficulty.

Defeat 12 Bloodthirsty Ghouls with Pistol Barrage and then defeat Lord Godfrey in Shadowfang Keep on Heroic Difficulty.

Do not get hit by Bloodvenom, Pool of Acrid Tears, or Venomous Effusion in the High Priest Venoxis encounter in Zul'Gurub on Heroic Difficulty.

Defeat Gub, Mortaxx, Kaulema, Mor'Lek, the Florawing Hive Queen, a Lost Offspring of Gahz'ranka, Tor-Tun, and the Gurubashi Master Chef in Zul'Gurub on Heroic Difficulty.

Defeat Halazzi in Zul'Aman on Heroic Difficulty without killing any of his totems.

Defeat 20 Twisted Spirits within 15 seconds during the Jin'do encounter in Zul'Gurub on Heroic Difficulty.

Defeat Daakara in Zul'Aman on Heroic Difficulty without any player leaving the rectangular turquoise stonework inscribed on the floor in the center of his area.

Un-hex all of the potential hex victims in Zul'Aman on Heroic Difficulty.

Defeat Bloodlord Mandokir in Zul'Gurub on Heroic Difficulty without killing Ohgan.

Defeat High Priestess Kilnara in Heroic Difficulty after having fed Temple Rats to 4 of Bethekk's Pride.

Defeat Jin'do the Godbreaker in Zul'Gurub on Heroic Difficulty.

Defeat Daakara in Zul'Aman on Heroic Difficulty.

Engage the Echo of Tyrande in End Time on Heroic Difficulty after surviving her Shadow Gauntlet without allowing the party's healer to take any damage.

Defeat Mannoroth in Well of Eternity on Heroic Difficulty after dealing enough damage to Mannoroth while Varo'then is still alive to cause him to sacrifice Varo'then to heal himself.

Defeat Mannoroth in Well of Eternity on Heroic Difficulty.

Defeat Archbishop Benedictus in Hour of Twilight on Heroic Difficulty.

Defeat Peroth'arn in Well of Eternity on Heroic Difficulty without any party member being detected by an Eye of Peroth'arn.

Defeat two Risen Ghouls during Echo of Sylvanas' Calling of the Highborne phase, then defeat the Echo of Sylvanas in End Time on Heroic Difficulty.

Kill 10 Twilight Sparks and then defeat Archbishop Benedictus in Hour of Twilight on Heroic Difficulty.