Kel'Thuzad Defeat in 7m34s

Time	Event
4m59.02s	Urkash casts Chubzz with Frost Shock (Rank 4)
5m49.189s	Urkash casts Chubzz with Chain Heal (Rank 1)
6m21.69s	Urkash casts Chubzz with Chain Heal (Rank 1)