A beautiful highly detailed futuristic (2 robots with heavy armour and heavy artilerry on the robotic arms, fightings with guns and artilery on a sci-fi alien planet with a purple sky and a white dusky sun, very high details, 4k resolution, best art, winning prize art, masterpiece:1.3) by mark keathley and Paul Kelpe, science fiction, dystopian, hard light, (centered composition:1.2), sci-fi, featured on artstation, artstationhq, 70mm photo, 4k, 8k, octane render, aesthetic, exciting, cinematic, moody | Sci-fi