Continuing from Session 8 Historical Sequence , Parkyns finishes up with Revelation chapter 12 and its historical fulfillments, on into chapter 13 of authority and warfare of the beast and how terribly the Church suffered under its relentless warfare. Parkyns offers an explanation of what the mark of the beast was from the 10th through 17th centuries. The latter half is the session is left for various questions about the theme.