PoE builds similar to PoE 3.20 Impale Reap Scion VS. Uber Maven

Hey guys - could use some advice on my cold reap inquisitor. Build is feeling kinda clunky as is. I just switched to the 12 passive cluster which helped a bit with clunkyness. I could use some general pointers on what to do next in terms of upgrades. Mageblood is kinda out of the question for now (had 1 apothecary that I tried to harvest gamble, guess where that went lol) - so kinda want to make the build work and be tanky and fast without it. I've build the guy so far being capped on spell suppression, but not really sure if im sacrificing too much going to the right side of the tree. Loo

PoB: New Items from this League are highlighted below. Over the last few days I brainstormed the idea of an Impale Spellcaster with the new gloves Entropic Devastation. After trying out alot of different Passives Trees and Ascendancies in PoB, i ended up with Champion - for Perma Fortify, (basically) perma Adrenaline + Pain Attunement Synergy + Slayer Cull Through Flesh/Flame Jewels, Stun Immunity and some Aura buffs with Inspirational. Because Champion doesnt really have good access to Spell Crit, I use the new Sandstorm

I've been theorycrafting this Chaos Reap Pathfinder. Never played Reap before and not seen anyone do this so have no reference. I'm wondering if this in general is just a bad idea or if I'm missing some very strong tech. I think the life regen is way too low to sustain Reap but struggling to push it higher. The dps is a bit too low for me for this budget, unless Reap overlaps and I'd consistently be hitting each target with 2-3 Reaps and thus putting the dps in the 15-20m dps range. Went with Pathfinder both because of the crazy Withered buff and want to experiment with some flask tech, but no