The Game is Afoot Progression

Mists of Pandaria - Tier 16 - Siege of Orgrimmar

Immerseus	The Fallen Protectors	Norushen	Sha of Pride	Galakras	Iron Juggernaut	Kor'kron Dark Shaman
September 11, 2013	September 11, 2013	September 21, 2013	September 21, 2013	October 2, 2013	October 5, 2013	October 19, 2013
General Nazgrim	Malkorok	Spoils of Pandaria	Thok the Bloodthirsty	Siegecrafter Blackfuse	Paragons of the Klaxxi	Garrosh Hellscream
October 19, 2013	October 26, 2013

Jin'rokh	Horridon	Council of Elders	Tortos	Megaera	Ji-Kun
March 6, 2013	Defeated	Defeated	Defeated	Defeated	Defeated
Durumu	Primordius	Dark Animus	Iron Qon	Twin Consorts	Lei Shen
Defeated	Defeated	Defeated	Defeated	Defeated	Defeated

Mogushan Vault
The Stone Guard	Feng the Accursed	Gara'jal the Spiritbinder	The Spirit Kings	Elegon	Will of the Emperor
October 17, 2012	October 24, 2012	October 27, 2012	October 27, 2012	December 5, 2012	December 15, 2012

Mogushan Vault
Imperial Vizier Zor'lok	Blade Lord Ta'yak	Garalon	Wind Lord Mel'jarak	Amber-Shaper Un'sok	Grand Empress Shek'zeer
November 10, 2012	December 1, 2012	January 12, 2013	January 19, 2013	February 9, 2013	February 9, 2013

Terrace of Endless Springs
Protectors of the Endless	Tsulong	Lei Shi	Sha of Fear
February 13, 2013	February 16, 2013	February 20, 2013	February 23, 2013

Morchock	Yor'sahj	Zon'ozz	Hagara	Ultraxion	Blackhorn	Spine of DW	Madness of DW
November 30, 2011	November 30, 2011	December 3, 2011	December 3, 2011	December 5, 2011	December 26, 2011	January 14, 2012	January 28th, 2012
Morchock (Heroic)	Yor'sahj (Heroic)	Zon'ozz (Heroic)	Hagara (Heroic)	Ultraxion (Heroic)	Blackhorn (Heroic)	Spine of DW (Heroic)	Madness of DW (Heroic)
February 8, 2012	May 5, 2012	June 27, 2012	August 4, 2012	March 31, 2012	July 18, 2012	August 22, 2012	August 25, 2012

Cataclysm - Tier 12 - Firelands

Beth'tliac	Lord Rhyolith	Alysrazor	Shannox	Baleroc	Staghelm	Ragnaros
August 16, 2011	July 31, 2011	August 28, 2011	July 11, 2011	September 3, 2011	September 10, 2011	October 3, 2011
Beth'tliac (Heroic)	Lord Rhyolith (Heroic)	Alysrazor (Heroic)	Shannox (Heroic)	Baleroc (Heroic)	Staghelm (Heroic)	Ragnaros (Heroic)
	November 19, 2011		October 26, 2011		November 21, 2011

Blackwing Descent
Magmaw	Omnotron Defense System	Maloriak	Atramedes	Chimaeron	Nefarian
May 1, 2011	May 14, 2011	May 28, 2011	May 21, 2011	May 30, 2011	July 16, 2011

Bastion of Twilight
Halfus	Valiona & Theralion	Ascendant Council	Cho'gall
May 1, 2011	May 1, 2011	May 11, 2011	June 11, 2011

Throne of the Four Winds
Conclave of Wind	Al'Akir
May 16, 2011	July 23, 2011