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1. Powerful can be dropped for Simplicity's Strength if it's more your playstyle or you're running the SoJ/Unity/Depth Diggers setup, in which case I recommend swapping Zei's to Bane of the Trapped and picking up the Unwavering Will passive in place of Illusionist (or Audacity dep on your skill/playstyle/gear/rift level etc)
(Simplicity can possibly outshine Powerful regardless of items if you don't have defensive stats where they need to be or if it's level 25 and Powerful isn't...ie grind grifts to level Powerful up using Simplicity, although this is most likely an extremely rare case)

1. Wreath of Lightning is thematic but without really high level it is far from even being slightly sub-optimal (which is the place it already occupies in the current game/meta playstyle)
2. Enforcer is a possibility if you have a high leveled gem from another character and a Serpent's Sparker, but you'd need to figure out if you can handle living without Energy Armor (lol) or, more likely, Teleport (you can then drop Illusionist for Unwavering Will etc as stated before) this isn't really recommended though unless it's what you've got (seasonal/etc) and you're farming low GRifts for gear/blood shards.
You could also swap out Magic Weapon but depending on your rune usage and how it buffs your gear this may be extremely unwise or optimal for only a very niche gear setup/progression.

1. Pain Enhancer isn't really worth it, like Gogok the attack speed isn't THAT important to us, Taeguk isn't really worth it either (you would lose large stacks too often...taeguk's most pressing problem)
2. Gogok, Mirin, Moratorium, Invigorating and Boon are all useless for the build or in general/in GRifts
Gogok: We don't need AS really and CDR is 100% useless with the ideal passives/etc

• Mirin: lol
• Moratorium: Maybe if you're trying a variation built on standing still etc?
• Boon: lol

1. Ideally have APoC. Or Meteor % damage as the unstated stat priority/reroll

1. Get Electrocute % Damage or AR (as needed), whichever you need more (after you can paragon enough vitality to cover the slot you can also consider dropping the vit for %electrocute dmg as you'll be funneling into vit/primary stat anyways and you should be maximizing your non-paragon stats ideally)

1. Get Electrocute % Damage over %Life, or reroll Vit if you have enough so you have Int/%Life/Lightning%/Electrocute%Dmg

1. Attack Speed isn't really an issue, so we favor Reduced Resource Cost on WEP/OFFHAND/SHOULDER/GLOVES in place of attack speed in these slots (meaning %life on the shoulder slot)

1. 75% lightning
2. 1000 Int from set bonuses
3. Meteor set bonus revive (to complement passive revive)

1. 95% lightning
2. 1000 Int from set bonuses
3. 100% primary skill damage outside of %Electrocute rolls on any items (you use primary skill a lot to generate AP thru crits/stun/windup dynamo etc. so this is not insignificant)

Paragon Priorities

• Movespeed to cap as needed, then max resource for more meteors, then mainstat for damage, vit as needed
• CHD > CHC (good rolls on gear net you 42-47% anyway *) > AS (better than CDR) > CDR

• AR > Life > Armor > Regen (simply the most true priority for a non strength class with a non-defensive or stutterstep/standstill/melee build)
• RCR > Area Dmg >= LoH (if you need LoH prioritize over area dmg) > Gold Find (lmao vault runs)
Keep in mind if memory servers the LoH proc for Electrocute is less? So if you're really struggling to get the build off the ground consider upping vitality in the paragon priority, as well as life regen