Set in Europe during the darkly romantic 17th century. The Thirty Years War, The Eighty Years War, The English Civil War. This is the period of history in which I have the deepest knowledge. Sadly, I am the only person I know that has any interest in this period, so there is little point in spending too much time developing the idea. TSR produced a short run supplement for the period called A Mighty Fortress, which is a quote from Luther, from a psalm.