a giant robot on an alien planet. space explorer or space pioneer. fantasy scene in watercolor style. for cover, card

giant space robot explorer pioneer futuristic machine science fiction cosmic scifi future fantasy alien technology art spaceship game soldier warrior cyborg military planet landscape design mechanical cartoon man concept android artificial artistic cyber intelligence watercolor bot fantastic fighter invasion armed combat commando spaceman cyberspace apocalypse cybernetic guard warfare illustration planet pioneer scene style for cover card postcard interior decor print