space war all the factions robots retro robots sci-fi humans and aliens fighting in a fearce battle in deep space with cruisers battle ships laser guns and rockets flying digital painting, artstation, concept art, soft light, hdri, smooth, sharp focus, illustration, fantasy, intricate, elegant, highly detailed, D&D, matte painting, in the style of Greg Rutkowski and Alphonse Mucha and artemisia, 8k, highly detailed, jurgens, rutkowski, bouguereau, pastoral, rustic, georgic