Hey,
It's been a while, over swamped by work !
In short, I have the chance to work on Matthias Develtere's IP, Black Sky Monarchy and develop with him, his univers.
https://www.artstation.com/devmatt/albums/833629 (check out his incredible work)
So, I share with you, first research about Moon Guardians.

My powerful mate :
https://www.artstation.com/devmatt