What i can tell you is that you don't have the right gem on this moment. Take a look at this website . there is a good guide about the gem for...

I notice a big dps improve so ty for that, i have a last question about Tier 10 set bonus. is it worth for me to buy that gear or is it a waste...

Okey, ty for the information Garwulf

The link below is a great topic about MM and that kind of stuff, gl