Complex sentence: The authors of the book describe, as part of a five phase model of how a typical workplace psychopath climbs to and maintains power, that in phase four (confrontation) the psychopath will use techniques of character assassination to maintain their agenda.
Split into simpler sentences: The authors of the book describe a five phase model of how a typical workplace psychopath climbs to and maintains power. In phase four (confrontation), the psychopath will use techniques of character assassination to maintain their agenda.