I should have asked earlier: do you like to play solo or in a group? In a party things can be different of course as you can use synergies. Do you think of op in terms of damage or utility?
If you ask me for the most efficient single target damage build (away from beat-the-game-ap-builds) without source skills, I would use a rogue with Necromancy and Hydrosophist. A rogue can remove the physical armor of even strong enemies quite often in the first turn with Backslash + Throwing Knife, then can use Adrenaline and apply Decaying Touch + Restoration which means certain death for most foes.
If you look at longer duration damage, a two-handed warrior with a crit build may be better.
A group of mages may be best.
Last edited by geala; 12/09/17 12:18 PM.
