Kel'Thuzad Victory in 6m29s

Time	Event
4m48.702s	Alusha casts Bearcow with Lesser Healing Wave (Rank 6)
5m39.921s	Alusha casts Bearcow with Lesser Healing Wave (Rank 6)
5m47.537s	Alusha casts Bearcow with Chain Heal (Rank 3)