Originally Posted by
Mindfreakz
Being a player who raided H t10 and t11 with a consistent 5-10 fps in 25 mans on low graphics, I can say without a doubt it starts to affect your performance anywhere under 15. Once it goes below that point your movement is very sketchy, and your inputs are a bit delayed. I played a shadow priest, and sometimes I'd accidentally clip my mind flay, but I never really had any issues with keeping my DoTs up, even with 3+ targets. But if you're a spam happy class, I would say it won't really affect you as much.