A robot standing in the middle of a desert with a helicopter flying overhead

a exoskeleton with a gun in his hand and a skull on his huge chest, side view, sword in hands, (colorfully thick straight angular armor plates:1.4), John J. Park, Karl Thiart, sci-fi, Darek Zabrocki, Aleksi Briclot, artem demura, cyberpunk art, space art, hyper realistic, oversaturate, dramatic lighting