Razorgore the Untamed Victory in 5m52s

Time Event
00:03:05.337s Interstellar casts Cleave (Rank 5) on Blackwing Mage (19)
00:03:33.385s Interstellar casts Cleave (Rank 5) on Blackwing Legionnaire (24)
00:03:47.654s Interstellar casts Cleave (Rank 5) on Death Talon Dragonspawn (16)