Everything wrong with donocones comment.
1- only works if your ally is under level 66 (no good allys are) or if you are high level enough to look into rare and epic rate stuff like sd or sc will be better
2-"high level" anyone reasonably strong can do 6.6m damage is 1 hit
3- git gud
Well, technically, HC Dark Pyramid is level 85 :P But yeah.