Legendary ghost knight portrait, powerful and invincible, epic and brutal composition, digital painting with dramatic and gloomy atmosphere, emotionally profound impact, volumetric lighting highlights, intense and brooding dark tones, leaves a haunting impression on the psyche, high quality, high-resolution imagery, deep plastic-like textures, free of text, names, signatures, or watermarks, exceptional detail and craftsmanship without anatomy flaws, maintains impeccable quality without artifacts.