Kel'Thuzad Victory in 6m52s

Time	Event
5m11.929s	Urkash casts Prefox with Chain Heal (Rank 3)
5m44.132s	Urkash casts Prefox with Chain Heal (Rank 3)
5m51.914s	Urkash casts Prefox with Chain Heal (Rank 1)