Whats destro warlocks rotation?, i tried keeping up immolate and rain of fire and it looked like a dps increase even on singletarget dont know if u are supposed to or not , any advice and if u are supposed to keep it up?
Check out the stickied thread about destruction.
Within this sticky thread a nice video from Brusalk is linked -> http://www.youtube.com/watch?v=qxMgBXnIfVk