Feron, using oil brushes by Manero Brushes in Procreate.
Timelapse of the process under the cut, warning for flashing images
I'm not sure why it suddenly jumps at the end there, maybe because I resized the canvas (and maybe because procreate saw me agonise over the background for an hour and decided to give me a break lol)
speaking of Mass Effect-- I recently completed this sketch commission of a Mass Effect ttrpg party for @fiveforchibis! Learn from the krogan in the left two panels: if you betray your friends, you can't party with them anymore.