I've been slowly leveling and upgrading gear along the way, and fine-tuning the build to be better and better. For those wanting gameplay footage, here's a solidly juicy T16 Dunes with Legion/Breach/Beyond + a King Harbinger:

https://www.youtube.com/watch?v=h49SyPYCZ3A

In the endgame I'm going to have about 800 more life and 600 more ES so the recovery and tankiness will be even better than shown here, as well as solidly more damage as I left some big damage nodes for well into level 90+.

Here is the current endgame PoB for level 100:

https://pastebin.com/tNyUQNr0

My current character can be found here under the name XanthoRegeneratingTraps, if you wish to see where I'm currently at:

https://www.pathofexile.com/account/view-profile/Xanthochroid/characters