PoE Essence Worm, Vaal Arc builds

Hello all, I revived this build in 3.16 from TrollErgoSum's walking simulator video, but since then he has moved on to crystallized omniscience which is way out of my budget this season. All required uniques and cluster jewels can be bought for less than 5C each and total budget is 30C. No special aura or mana management, gems are all base type and not even fully leveled. No 6L required. In my POB I demonstrate that with extremely unoptimized skill points, the wrong class (you want Elementalist), and terrible rare gear, a decent mapper is still possible on a shoestring budget. How Cast W

Pob: This is the general premise of the build: with a very high speed we cast Crackling Lance, the cost of which we make sure to be over a 100 mana. So, with every cast we have a 50% chance to trigger the spells in our helmet, Storm Call and Hydrosphere. To buff their damage we cast a very juicy Arcane Cloak. The idea is that we still have very good clear while at high Intensity. Two notable things about our ascendancies: Elementalist makes Hydrosphere's Exposure very strong. Raider, while giving us insane cast speed, also gives