Having fun this league looking for advice for ways to min-max this character.

https://pobb.in/JAAcoQ4Nd0ag

Disclaimer: not my original build modified from a creator to be able to use shield charge/ have an aegis swap.

Walls of texts below with my incomplete understanding of what's available in poe:

So this league's mechanics been pretty good, last league I feel like I jumped between builds a lot which was fun in its own way but this league would really like to push this char the most a noob can.

Goals: survive some big hits from beyond bosses + deli orb, keep damage relatively similar if not slightly increase but also in non fully juiced maps cruise (not the fastest mapper but not bad with shield charge). Keep boss killing.

Fork in the roads:

-3 utlity mageblood or crafted effective/duration flask belt? will be putting in progenisis as last season it was fun to use with leech. In harbi memory/deli/beyond maps swapping to the aegis setup becomes fairly "tanky" being fully surrounded but the second there's a beyond boss that pops up and being bodyblocked its just gg. Which would you all go for?

-Knowing progenisis might help but wont fully alleviate this issue, and with all the uniques not sure how to get decent spell suppression, is it worth farming out a voices to fit imbalanced guard for the extra max res or a good place to fit it? would like to recraft the helm with loathing (it was already a little ridiculously cost inefficient to craft but had fun doing it, just couldn't keep up with the loathing prices so swapped to a cheaper method) mainly want to fit in righteous fire and purity of fire with a potential +x to boost auras on boots/gloves along with reservation that which fled and some mana reservation corrupts on jewels it should fit however how to fix life regen without pathing to hearty? I'd like to path up to the witch's cluster jewel for the int nodes along the way to fit in megalos (been looking through the mod list of this jewel and its pretty insane), is there a way to sustain rf you can think of without pathing down? life regen or max fire res cluster over one of the damage clusters? (mageblood life regen on flasks would be really helpful here to be fair)

-to fit in the above purity of fire etc, I'd have to drop dread banner without some enlightened 5, or the banner reservation has no cost jewel (feel like that +12% reservations are ridiculously expensive though)

-crit immunity, max attack/spell bock, aegis, is there any other easily added layers that i can quick swap to if i want to run some juicer memories without dying to beyond bosses? Would a rare crafted shaper shield be better with es on block since armor is pretty low? feel like shock immunity, purity of fire+ aegis max cold res helps a lot.

-rings definitely need fixing, they've just been there to help with res at the moment, are the super expensive +pc rings the main upgrades? if so I'll just craft/buy some better ones with better rolls

Any other advice you have for this build would be really appreciated. sorry for the ramble. Bolded the question incase you wanted to skip my thoughts. GL on the maps everyone! Hope you're enjoying the league so far!

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edit: still on help alira for the res, crafting better rings would be the main reason to free up those 2 passive points, let me know what you think :D