Incredible, mind-blowing, Science Fiction Book Cover, two thirds composition, side by side view, (Excalibur & Starborn :3), hero, magical armor, facing off against extraterrestrial technology, barren Martian landscape, rich yellow-orange sunlight, futuristic architecture, Earth & alien symbiosis, cosmic adventure. Oil paints, bold strokes, dramatic lighting, metallic sheen, 8K resolution. Arthur Rackham, Syd Mead by: Sarah McCulloch, Louise Dahl-Wolfe
(Excalibur & (Starborn:3)(:9))) discovering an alien artifact on Mars. 