PoE 3.15 Expedition, 3.14 Ultimatum Hex builds

Hexblast/Doom Blast utilizing a self-cast Despair (which is twice as effective with clusters) and 100% chance to poison (can be achieved thru several methods, I used Divergent HoA). Also, I didnt realize until lvl 90 that Impending Doom could be supported by support gems, so this PoB shows it now in a 5L. I'm using Punishment, Enfeeble, Temporal Chains in Vixen's Entrapment. This is my biggest defense. Even if any enemy rushes you and winds up an attack. If you cast despair, it will slow the attack, they barely move and you can cast Hexblast to kill the entire screen. Also once any enemy is

1st slot in gloves = overwritten by TC 50+50+50 + 40 anomalous TC + 18% fated = x3.08 multi on 10 doom/s = 45/30.8 = 1.46s to max doom doom base max = 30; +10 from tree +5 from essenced ring; 450% more multi for decay fill out res from clusters

I'm interested in a Cane of Kulemak build and I was considering an Impending Doom build. The problem is you need doom to tick to maximum and afterward, your curse needs to expire. I was thinking of running the Kulemak Chaos staff with +3 supported and 14% Qual of support gems to get a high level Enhance and Empower on a skill and immediately thought of Impending Doom. ~~The Doom tick rate with this setup would be: Anomalous Enfeeble(there's also Punishment but that's not as useful) which has 40% doom increased rate at 20%, with Enhance it becomes 142% increased doom rate. 150% doom rat