UHD, 164k, highly detailed anime demon man in middle age, wearing a dark robe, full body panned out view, masterpiece, hyperdetailed features, masculine face with prominent nose, entire body view, perfect physique and anatomy, beautifully detailed face, long white hair, red eyes, pale skin, standing against a backdrop of hellish flames, illustration, hyperrealistic depiction, dramatic ambiance with flickering shadows, ethereal glow reflecting off the robe, dynamic posture conveying power and intensity, seamless play of light and shadow highlighting contours, fiery environment enhancing the demonic theme.