Kel'Thuzad Victory in 6m52s

Time Event
00:00:41.081s Seyl casts Backstab (Rank 9) on Unstoppable Abomination (1)
00:00:42.081s Seyl casts Gouge (Rank 5) on Unstoppable Abomination (1)
00:00:43.230s Seyl casts Slice and Dice (Rank 2) on Unstoppable Abomination (1)