Before Christ's second Coming the Church must pass through a Final trial that will shake the Faith of many Believers. 573 The persecution that accompanies her pilgrImage on earth 574 will unveil the "Mystery of iniquity" in the form of a Religious deception Offering men an apparent solution to their problems at the price of apostasy from the Truth. the supreme religious deception is that of the Antichrist, a pseudo-messianism by which man glorifies himself in place of God and of his Messiah come in the Flesh. 575