“Mystery, Babylon the Great” is a towering, monstrous figure in the book of Revelation. Obviously, she is symbolic, but what does she represent? What system, agency, institution, nation, or religion best qualifies for the role? Author Jonathan Malone reexamines the possibility that the Protestants may have been correct. Have their prophecies come to pass? Modern Catholicism is a curious mixture of ultramontanism and casuistry. These are Jesuit calling cards. Modern Catholicism has become Jesuitism, and Jesuits have been very influential in Western civilization. In order to determine if their character is aligned with Mystery Babylon, we trace the roots of Jesuitism. How has the spirit, the tenacious philosophy, of the Jesuits, expressed itself in the past? How now and in the future?