UHD, 164k, highly detailed anime demon man with middle age appearance, dressed in a dark robe, complete full body view, masterpiece, hyperdetailed masculine face and distinct nose, stunning full body, flawless body structure, exquisitely detailed face, flowing white hair, intense red eyes, pale skin, standing amidst a fiery hellscape, surrounded by flames, illustration, hyperrealistic appeal, avoiding low quality factors such as artifacts, duplication, or deformities, ensuring natural anatomy with proportionate limbs and detailed features, avoiding any artistic flaws like extra limbs or poorly rendered faces, capturing a perfect depiction in a fantasy hell environment.