PoE Wrath, Arcane builds without Hexblast, Lightning Strike, Righteous Fire, Vaal Lightning Strike with custom stat filters

Please rip this build to shreds and tell me this is shit but below is a PoB I threw together for an Ice Nova build using new Archmage in a 5link Pledge of Hands. Gear is very, very basic and it seems fairly squish as a result but unless I'm missing something it seems like it should be pretty fun to lightning warp around, hitting ice nova and auto casting frost bolts and echoing more ice nova's for pretty good early mapping with minimal investment. Appreciate y'alls feedback

Path of Building question... as I scrolled past the "Precision" notable on the skill tree I noticed a huge bump in DPS which caught my eye. Was a bit surprised though because I am playing as a manabond hiero with cyclone + arc, so really spell based. I don't recall global accuracy being meaningful to spells. This notable plus the minor before give +10% cast speed as well but was skeptical that addition would result in \~13M+ additional damage. From what I can tell the trigger rate for manabond increases resulting in the higher dps. As a comparable test I added +10% cast speed on a dummy tes