How to improve my build?

so i made a build. Its probable nothing special for You guys but i feel i am still quit new to the game and having two kids (1 and 4 Y) and full time job leaves less space for poe. My first ona was rf jugg with lots of endu charges 2 leagues ago. Now i am trying something new:

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https://pastebin.com/hiR3rjYF

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With this config on Pob and flasks on i have:

-77k evade

-65k armour

-Perma fortify

-92% spell supp (100% on full life, i am only lvl 90 so i can still find some on a tree or eldritch implicits)

-4180hp

-Elemental ailments immune

-~3 endu charges

-1,8kk Full dps against guardian/pinnacle (or lower bacause of jukes etc)

For now only -60% chaos and i know this needs to be fixed with better gear.

My goal is to have fast mapper who is able to kill some boss for time to time. With this gear and this pob i am quite happy with the results (chiseld alched corrupted t16 with 4 scarabs and some sextant (not a high tech legion/beyond)). I dont want to use mirrored gear in POB now because my plan is to push this character to its limits (if my time allows) in the next league.

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What should i change to improve this boy? What i am doing wrong? I am looking for any advice. I know that i still need lvls, enchant on helm, gem lvls/alt qual, better eldritch implicits, finished pantheon, two last asc points, better jewels, awaken gems. I am looking for changes like new chest, different support gems spec, how to improve mana reservation/skill cost so i can swap my amulet enchant? Thank You for any help!

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And sry for my english - i dont use it too often