Description of a monk-like figure with shabby clothes and a unique face in a mysterious setting

Prompt

He who stood behind us looked like a monk, though his clothes were soiled and shabby like a vagrant's, and his face was not much different from the faces of the capitals. In all my life I have never experienced what many of my brethren have experienced - the appearance of the devil. But I am sure that if he should one day appear before me, he, whom the Lord is fortunate enough not to allow to completely hide his nature under the guise of a man, would appear in exactly the form that our interlocutor had at that time. A skull devoid of hair, not from penance, but from some pus-filled rash. A forehead so low that if the head had not gone bald, the shaggy wild eyebrows would have interlocked with the hair. Round eyes with tiny, very mobile pupils, and a look that is ingenuous or sinister, at different moments differently. There was, I would say, no nose at all, but still some cartilage sticking out between his eyes, slightly protruding forward, but ending at once. Beneath it there were Redraw