Kel'Thuzad Victory in 6m29s

Time	Event
1m56.823s	Roza casts Srednak with Chain Heal (Rank 1)
4m58.402s	Roza casts Srednak with Lesser Healing Wave (Rank 6)
5m0.902s	Roza casts Srednak with Healing Wave (Rank 5)
6m21.523s	Roza casts Srednak with Healing Wave (Rank 5)