Complex sentence: According to Sebastien Michaelis he is a demon of the First Hierarchy, who seduces by means of laziness, vanity, and rationalized philosophies to see the world and his adversary is St. Bartholomew, who can protect against him for he has resisted Astaroth's temptations.
Split into simpler sentences: According to Sebastien Michaelis he is a demon of the First Hierarchy, who seduces by means of laziness, vanity, and rationalized philosophies. His adversary is St. Bartholomew, who can protect against him for he has resisted Astaroth's temptations.