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

Kill 12 Aberrations within 10 seconds on the Maloriak encounter in Blackwing Descent and then defeat Maloriak.

Defeat Sinestra in the Bastion of Twilight on Heroic Difficulty.

Defeat Nefarian in Blackwing Descent on Heroic Difficulty.

Damage Nefarian below 50% health before he lands for the final confrontation and then defeat Nefarian in Blackwing Descent.

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

Defeat the bosses in Throne of the Four Winds.

Defeat Al'Akir in the Throne of the Four Winds on Heroic Difficulty.

Defeat the bosses in the Bastion of Twilight.

Defeat the bosses in Blackwing Descent.

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 the Conclave of Wind in the Throne of the Four Winds on Heroic Difficulty.

Defeat Halfus Wyrmbreaker after defeating two drakes within 10 seconds of each other. The Emerald Whelp pack counts as one drake for this purpose.

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

Defeat Chimaeron in Blackwing Descent with no more than 2 raid member deaths.

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

Defeat Maloriak in Blackwing Descent on Heroic Difficulty.

Defeat Atramedes in Blackwing Descent on Heroic Difficulty.

Defeat Chimaeron in Blackwing Descent on Heroic Difficulty.

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

Defeat Magmaw in Blackwing Descent on Heroic Difficulty.