Kel'Thuzad Victory in 6m52s

Time	Event
4m57.128s	Urkash casts Ganfortw with Chain Heal (Rank 1)
5m14.013s	Urkash casts Ganfortw with Chain Heal (Rank 3)
5m16.13s	Urkash casts Ganfortw with Chain Heal (Rank 3)
5m28.596s	Urkash casts Ganfortw with Lesser Healing Wave (Rank 6)