Kel'Thuzad Victory in 6m36s

Time	Event
5m9.131s	Shamurrai casts Nullee with Chain Heal (Rank 3)
5m21.715s	Shamurrai casts Nullee with Chain Heal (Rank 3)
6m30.684s	Shamurrai casts Nullee with Chain Heal (Rank 1)