Arthur Morgan, in worn cowboy attire, bandana, and gunslinger belt, riding on robotic horse, cybernetic equine body, brass and copper limbs, glowing blue circuits, ornate engravings, in wild west inspired mechanical steampunk landscape, by Mark Ryden's signature pop surreal style, oil painting like textures, long shadows, skeletal trees, outhouses, wooden fences, in warm tonal range, highly detailed, high contrast