Hi im a night elf(mohawlk) hunter http://www.wowarmory.com/character-sheet.xml?r=Durotan&cn=Legionsofwar I'd like to know when can i start stacking arpen gems. icc 10 lk fight was doing 5-6 k dps second phase please dont give me any math thingy stuff just tell me at and when can i start stacking arpen or should i stack something else ty