a hyper realistic concept art character of a aggressive robotic beast 4K symmetrical portrait, in multiple green copper textures and concrete, character concept art, Rendered in Octane, trending in artstation, cgsociety, 4k post-processing highly detailed, Junji Murakami, Tom Bagshaw, Artgerm, Craig Mullins,Junji Murakami, epic cinematic lighting rendered by octane engine, characters 8K symmetrical,