Eugène Vintras was informed by spirits he had to found a new religious order together with the true king of France, Louis XVII, who had to be Nostradamus’ Great Monarch. And Joris-Karl Huysmans was writing a book on satanism with a defrocked priest in it, who performed black masses and was not inspired by the infamous abbé Boullan, but by the chaplain of the Holy Blood of Bruges…