PoE Wave of Conviction, Witch, Nova builds

Hello, I want to have some feedback about my SSFHC Elementalist build that I want to play, \~500k DPS FULL uptime with 0 investment (more with Flame Surge burning ground) Defensive layer (note that it's lvl 85) : 4k5 LIFE; 1k5 ES; 9k EVA; Ghost Dance; 3k8 mana MoM; Arcane Cloak and obviously the Chill.

Here Im showing my Theory build for a cast on death ignite version. If you ever seen that one quack build video. I wondered if u had any interest in pushing this PoB even further and probably lowering cost? I might use this as my personal "boss killer" especially if a lvl 70 can do the job. It could also give me ideas for my classic ignite discharge PoB. This PoB is Started off from my classic PoB : Farrul + Badge regular Discharge ignite elementalist. It might not be realistic so u may want to disable things if u consider them non legit for a Cast On Death. I went the non endurance

So discharge will receive a large damage buff, but will be on a cooldown. I'm thinking about ways to make self-casting Discharge work, and i've come up with some archetypes, although none of them feel 100% satisfying. First i thought of an Archmage build to make use of the fact that Discharge now is on a cooldown anyways, so handling the mana cost would be a lot easier. Here is my pastebin for an Occultist Archmage build: The Problem with Occultist Archmage is the fact that while Forbidden Power does reliably generate charges with Archmage, it only generates