a haunting Digital art of a tired spartan soldier riding a skeleton horse on the battlefield in the style of photo-realistic , 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