Archmage build

Archmage is a bit to much nerfed atm i have on all items mana reg in tree around 200% mana reg my skills are not even that hight on lvl and i can cast like 2 skills 1 trigger mana gone as a mind over matter ci build even without eldrich batterie not rly useable dmg wise and mana is my hp to so 2 hits from white mob 3k es gone that i cant get back no es leech and atm archmage mana coast for a 4k dmg skill that coast 800 mana is abit dumb maybe set max add light dmg to 5-6% and mana coast extra to 3-5 or dont nerv eldirch batterie so hard its not possible to use then u have like 2500 mana coast at endgame with 3k mana...