I did this this Cyborg Demon for polycount challenge. (oversize image disabled by moderator, original here: https://us.v-cdn.net/5021068/uploads/editor/ua/cpcxuzkhqsvj.jpg)
This is a concept of the design of the Skull Cyborg 4.2 into a movie shot, where he is transgressing a restricted government area. In the previous post there is some background story for this creation and where it comes from. You can check more shots of it on my artstation: https://www.artstation.com/artist/stabile