Help needed and appreciated with mix rah'zin and harbinger build

Grim Dawn Classes, Skills and Builds
1

https://www.grimtools.com/calc/aZqO5wM2
So here is my wip build, not sure if it is at viable, but i like the concept. Going to try it out.

Anyway i have some issues with general Devotion Point placement and a few uncertainties about gearing.

Thank you for any and all help :slight_smile:

2