In the atlas passive tree I use shrines, strongboxes, essence and rituals. At the moment I have shit gear, maybe 10-15 Divines worth as I came in late to the league and didn't have time to farm. The helmet I crafted myself after I got lucky with enchant but I didn't have currency to make it any better. Right now I saving for ashes of the stars.
I never thought this build would work this well but I'm having no problems staying alive in these maps and minions is killing t16 bosses in a matter of seconds.
I'm using Wild Bristle Matron and Demon harpy. Animate guardian with kingmaker and vulnerability linked with zombies meatshield and minion life. I'm probably dropping zombies for Arctic armor whenever I get Ashes, but I'm not going to lie, meatshield zombies is super nice for blocking projectiles. In my elder helmet with the minion life and minion damage mods I use carrion, spectres, holy relic and herald of purity.
It's also worth mentioning that my minions rarely die mapping but if they do it's the carrion and maybe a couple zombies here and there but the zombies actually manage to stay alive surprisingly well.
Here's a link to POB: https://pastebin.com/iWes7WMU
If you got any questions feel free to ask and I'll do my best to answer.