PoE builds similar to [3.23] Poison Bow PF(no totems) vs Uber Elder

I"m currently playing a Caustic Arrow Pathfinder and it has been very strong and fun. And although I've been able to take down some of the Ubers I'd like the fights to go a bit smoother. I bought my first ever mageblood and was thinking of doing a penance brand or Kinetic Bolt build. Penance brand seems kind of weak at mapping and KB seems like it might get very expensive. I'm also considering just selling the mageblood and dropping another 300+ divines in my CA PF cause it's already pretty insane. Any recommendations or advice? Here's my current PoB.. [

This is my current build. And I'm looking for ways to optimize it, I feel it still lacks some damage. Survivability is not the best eighter. I have been thinking on maybe get put in a dendrobate but idk, most "top" builds on poeninja uses lightningcoil, I guess for survivability. Please if someone knows, let me hear what I need to do, what I have been doing wrong, and if there is anything right, lemme know that too so I get to learn abit more. thanks

My current build is a PF MF CA of poison as follow: I am currently doing T11 fully juiced (+2 proj corrupted, 4 sextants, 4 scarabs) and I find it long to kill some mobs/packs and while i facetank most spires, I still occasionally die to random stuff (never clear what kills me). I can do 5 maps deathless (but slow) and one map using 4-5 portals due to random unexplained deaths. I am looking for: 1. how to improve my build (both more dps / more tankiness) and a path to take it up to T14+ and click all quantity altars without lookin

I've been running a Poison Caustic Arrow Ballista build (very close to Palestron's), but have come across a tweak which seems to have boosted the damage significantly, but which I haven't seen mentioned in conjunction with the build, so wanted to check my understanding is correct. In short I've switched out the Belt and Boots for Oledya's Delight and Ralekesh's Impatience. My understanding is that the boots are giving me the effect of max Frenzy/Endurance/Power charges (even though I can't see them), but separately my Frenzy Right-click stacks up Affliction charges. The end result being 6 Fr