PoE builds similar to [PoE 3.20] BEST LETHAL PRIDE EVER - Venom Gyre Deadeye Endgame Build Update - Path of Exile Sanctum

I am struggling in sanctum with this build. How can I improve it My pob:

BUILD GUIDE: -------------- SKILL OVERVIEW (READ THIS TO UNDERSTAND THE SKILL) -------------- Venom Gyre fires a returning Projectile that can be caught. Returning Projectiles deal 75% Less Damage. You can catch up to 30 Returning Projectiles. When you use Whirling Blades, you shoot out your returned projectiles. By default you have a 40% chance to keep Caught Projectiles when firing them with Whirling Blades. This can be scaled to 65% using helm enchant. The Projectiles shot out with Whirling Blades can shotgun as they are fired sequential

This is my current build: &x200B; Would like some pointers on how i can get more damage on it

Just a little showcase of Venom Gyre Dex Stack Video: PoB:

SO. im a bit stupid, and im sure some of these decisions are stupid, i have a few glaring issues, but to preface, im working on finding a jewel to cap my cold res, and im aware my anoint is for dual wield, the build guide from kobe i was following suggested dual wield would be ideal with this anoint but as soon as i go dual wield i turn into a feather, i have 0 defence and just cant progress when im that weak, as fun as the damage is its not worth dropping this shield which has become crucial for my survivability and a bit of a crut

Ever since I was talking about how Venom Gyre is probably not viable to kill Uber Bosses, I was kinda hooked to stretch the build to my limits (even more so since my Nimis Caustic Arrow build turned out to be not as broken as I wished for). Current PoB: The single target damage turned out to be absolutely bonkers at some point and has just evolved ever since until this stage. A lot of gear is self crafted, a couple of notable expensive Items: Omniscience (20 div, found it on my first Exarch) Watcher's Eye Precision AS/Anger Multi (10 div) Ele Claw (bought ba