PoE Item Rarity, Lightning Arrow builds

Hello exiles! First time poster, so constructive feedback welcome! Can try to get video footage if interest is sufficient. I'm wrapping up Affliction, which I (and many others) likely consider to be the most successful league I've experienced ever, and I have assembled a character that I'm proud of and believe may be of some interest (I've seen a number of posts asking for help using Tornado Shot in juiced maps). This character is capable of any mapping setup, and I've used it to farm my first 2 raw mirrors, and several more in high end currency and liquid drops. Level 100 and all pin

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

Guide: Formula for shock application: 0.5(D/T)^(0.4)(1+M) D: damage dealt, T: ailment threshold, M: increases to effect of shock. Ailment threshold is 7M on Sirius and Pinnacle bosses. Use this spreadsheet to figure out how much damage you need to do to apply max shock on Sirius: DON'T FORGET TO REMOVE THE SHOCK IN T