PoE Vaal Haste, Nova builds without Mageblood, Nimis

need some help deciding on how to continue build. ive been running arn's for the past day but ive got a stygian that sims higher, im too dumb to understand the benefit of arn's vs a stygian. is it just the chance to proc the triple damage? the stygian also helps me keep righteous fire on longer. any advice on what to craft/go for next is welcome. also i know im missing two gems, i actually dont know what/how to fit anything else in i added two gear sets one with the arn's and one with the stygian vise set up

I dropped an ashes and wanted to create my own build for a while. Went with totems as I never played before. Main focus of the build is getting crit chance for the impale from the gloves and stack auras. Didnt like the new helmet much (sandstorm visage) so not using it. Current damage is 25mil with 2.45k life (petrified blood) and 2.3k es (from Corrupted soul). Build is expensive as I grabbed grand spectrums from another build + ashes and bottled faith. Other than that it doesnt take much to start it up. Managed to kill uber shaper, 85 uber elder, uber eater and uber exarch, taking all port

Helmet - diadem is probably BiS because it allows for easy blessing and provides solid ES and eldritch battery. We path close to enough to take EB so something else is possible but would take a great item. Good enchants are any aura, shockwave totem cast speed, or despair curse effect. 1-1.5 divines Armor - sotl with ancestral bond. Nothing going to come close. 30-80Chaos Weapon. Get a fractured chaos dot and spam cast speed for dot multi or phys/all spells. suffixes can't be changed, veiled chaos, hope for phys to chaos or chaos. 2-10D depending on how much you want to go for. I skipped

POB :

I am like in dire need of help... I don't know what to improve on next honestly. I can farm T16 maps slowly, but I still do get 1 shotted lol. I've seen people running Hex Master on PoENinja and some people don't even run Vitality or Determination. Can't fit Vitality in at the moment. I prioritized Determination over Vitality. LMK what you think.. TIA. Link to my POB:

As far as I can tell, fanaticism is clunky and sucks... but the new manabond skill got me thinking that maybe it could be spammed to high heaven using fanatacism. The general premise is that you would play a character with like 10,000 mana and get 1500 base lightning for manabond when all your mana is gone and you use the skill. At this point it seems like you would use archmage... but what if you didn’t? What if you somehow got all your mana gone and then spammed the skill super fast with no mana cost at all? Enter fanaticism with guest appearances from inspiration and the Templar mana co