I was recently tasked to make a concept for the face of the game and main character design, a cyber mercenary. So here's some mid-production work.
Main character concept, roughly 3 hours of refinement work
Iterations of number 8 in the initial sketches, about 3-4 hours
Initial sketches, we moved forward with number 8, with 5 and 6 as possible player skins. About 3-4 hours