PoE Qotra's Regulator, Cold builds

Here we go, concept of a build I'm toying since this evening, after someone threw at me the idea of melee elemental hit, me answering it was shit, him holding his ground, and me checking a bit more and finding insane synergies about it. Concept of the build: \- Elementalist, because the damage is just that good and shaper of storm is clutch. Slayer is an alternative. \- Elemental hit, replacing your weapon with an attack doing a large amount of flat damage. You use the usual suspect to block cold and lightning, even if I toyed w