Warrior king on snowy cliff in dark fantasy storm

Epic dark fantasy scene, medieval world inspired by Game of Thrones, a lone warrior king standing on a snowy mountain cliff, long tattered cloak flowing in the wind, ancient steel sword glowing faintly, dragon silhouettes flying through stormy clouds, massive stone castles in the distance, dramatic cinematic lighting, cold blue and gray color palette, ultra-detailed armor with scratches and battle scars, realistic textures, epic scale, shallow depth of