PoE Summon Raging Spirit, Witch builds

TLDR: Resolute Technique + mana efficiency solves accuracy and mana issues from 3.15. Chieftain now possible in Trade with Iron Will. To those who loved this build and knew friendly company therewith: this Reunion is for you. Spellslinger Flame Wall Elementalist was an extremely popular build in 3.13/3.14. It was one of the strongest league starters featuring extremely smooth gameplay, and some redditors might have come across me recommending that build to others back in its heyday. Unfortunately, 3.15 brought a quadruple whammy of nerfs to golem buff effect, mana reservations, Flame Wall

Conceptual Path of Building link: I've been interested in Arcanist Brand ever since it came out, and I've tried numerous ways to make it work, since I love brands, and being able to cast any random spell as a brand is interesting on the surface, but in practice it's rather underwhelming. Fast forward to Scourge League, and I had the random concept to pair it with Summon Raging Spirits. I've tried SRS builds before, but I've always felt they were slow and janky, having to constantly resummon your skulls, and them not following you. CWC variants with cyclone a

So, I did some tinkering in the new POB. And then more tinkering. And then my brain started to hurt. I tinkered further. I THINK - yes, think - that I've managed to make a decent SRS Bomber build with Zombie DPS backup. Oddly enough, for all my minion builds in the past, I've never actually done MI builds, so I'm... questioning if I got it right. Especially with the new tree, and the fact that I'm including supporting DPS. Take a look and see what you all can see that I missed, maybe some pathing efficiency, maybe some more ES I can squeeze in somewhere. As it stands, it's a L79 build and I