Haunting digital art of a tired spartan soldier riding a skeleton horse on the battlefield in the style of an oil painting, acrylic, bleak, moonlight, detailed, dark, ominous, threatening, haunting, forbidding, gloomy, stormy, doom, apocalyptic, sinister, shadowy, ghostly, unnerving, harrowing, dreadful, frightful, shocking, terror, hideous, ghastly, terrifying