 Upon returning home, Hilary in 365, published the "Contra Arianos vel Auxentium Mediolanensem liber," describing his unsuccessful efforts against Auxentius.He also (but perhaps at a somewhat earlier date) published the "Contra Constantium Augustum liber", accusing the lately deceased emperor as having been the Antichrist, a rebel against God, "a tyrant whose sole object had been to make a gift to the devil of that world for which Christ had suffered.