As the Church is the Mystical Body of Christ, so is she also the Mystical Body of the Father because God the Father and God the Son are One, in and through the unity of God the Holy Spirit. Meawhile as Christ went through His Passion and Crucifixion to redeem us and establish the Church on earth, so will the Mystical Body similarly go through everything that Christ went through in the form of the Chastisement, to usher in the Reign of God the Father on earth in all of its glory (that is the Fullness of the Trinitarian Reign) for the thousand-year reign of Peace (Rv. 20:1-6).