medium close up, stunning illustration of a demonic knight in obsidian medieval armor, concealed face, flowing cloak, grand composition, regal stance, turbulent skies, misty, dark fantasy, moody, intense, emotional depth, ultra high resolution, maximum details, by Milo Manara and Russ Mills, detailed illustration, 8k, highly intricate, remarkably detailed, ominous ambiance, mythical presence, surreal elements, eerie atmosphere, dynamic posing, shadowy environment, expressive textures, powerful imagery, foreboding mood, fantastical elegance.