ok so to begin put a 23 sp gem in your neck and gloves. Get an eternal belt buckle for your belt and slap 3 23 sp gems in that.. i would suggest upgrading your blue gems to epic ones. Also drop glyph of immolate and get glyph of life tap. As for your spec... drop one point out of demonic embrace and put it in fel synergy and take 1 point out of destructive reach and put it into demonic power so your imp is casting faster.