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Defeat Chimaeron in Blackwing Descent on Heroic Difficulty.

Defeat Atramedes in Blackwing Descent without any raid member's sound bar going over 50%.

Defeat Atramedes in Blackwing Descent on Heroic Difficulty.

Defeat Maloriak in Blackwing Descent on Heroic Difficulty.

Defeat the Omnotron Defense System in Blackwing Descent while neutralizing the following attacks.

Defeat the Omnotron Defense System in Blackwing Descent on Heroic Difficulty.

Defeat Magmaw in Blackwing Descent without anyone in the raid becoming infected with a parasite.

Defeat Magmaw in Blackwing Descent on Heroic Difficulty.

Defeat Sinestra in the Bastion of Twilight on Heroic Difficulty.

Defeat Cho'gall in the Bastion of Twilight before any raid member earns more than 30% Corrupted Blood.

Defeat Cho'gall in the Bastion of Twilight on Heroic Difficulty.

Defeat the bosses in the Bastion of Twilight.

Defeat the Ascendant Council in the Bastion of Twilight on Heroic Difficulty.

Defeat Valiona and Theralion in the Bastion of Twilight on Heroic Difficulty.

Defeat Halfus Wyrmbreaker in the Bastion of Twilight on Heroic Difficulty.