Tier 6 token source

The Head, Hands, Legs, Shoulders, and Chest items are sold by Tydormu in the Battle for Mount Hyjal instance and the Wrist, Waist, and Feet items are sold by Theremis, present on a boat in the Sun's Reach Harbor of the Isle of Quel'Danas. They are "purchased" with Tokens of the Forgotten .
Slot 	Token	Dropped by 	Found in
Head 	 	Archimonde 	Battle for Mount Hyjal
Hands 	 	Azgalor 	Battle for Mount Hyjal
Legs 	 	Illidari Council 	Black Temple
Shoulders	 	Mother Shahraz 	Black Temple
Chest 	 	Illidan Stormrage	Black Temple
Wrist 	 	Kalecgos 	Sunwell Plateau
Waist 	 	Brutallus 	Sunwell Plateau
Feet 	 	Felmyst 	Sunwell Plateau