Cinematic portrait of an ancient elderly wizard, Salazar Slytherin, completely bald head completely clean-shaven bald head, pale sickly white skin, long thin white beard and matching long mustache. He has deep-set, piercing intelligent eyes. He is wearing heavy, ornate medieval black robes with silver embroidery and emerald green silk details. Dark, moody lighting, dungeon background with stone arches, high detail, 8k, realistic textures, wizarding world aesthetic.