FTP identify this title character of a 1786 novel by William Beckford.
He builds 5 palaces: one devoted to the enjoyment of each of the senses. His mate Carathis burns live bodies at the altar, and he himself sacrifices fifty children to find out the mystery of the sabers from Giaour.  Eventually he and the woman he corrupts, Nouronihar, find their way to the hall of Eblis where all their wildest dreams are set to come true, that is, until their evil hearts catch fire.  FTP identify this title character of a 1786 novel by William Beckford.
He builds 5 palaces: one devoted to the enjoyment of each of the senses.
Vathek, An Arabian Tale