Kel'Thuzad Defeat in 7m34s

Time	Event
2m1.751s	Alusha casts Urkash with Healing Wave (Rank 3)
4m51.37s	Alusha casts Urkash with Lesser Healing Wave (Rank 6)
5m14.104s	Alusha casts Urkash with Chain Heal (Rank 3)
5m30.322s	Alusha casts Urkash with Chain Heal (Rank 1)