Ever see a blazing fire in the middle of rain-soaked London? Then you've probably seen the work of The Purifiers. Many revile them as zealots, or as hell-inspired mobs. They're known for burning things, and their nihilistic beliefs lead to action – because the earth must be cleansed with fire. They seem to especially love burning books. Those I've spoken to that claim membership say that burning books destroys forbidden knowledge that could make life worse for those who survived the Fall. I wonder whether those same books might lead to knowledge of how to restore the Covenant. Too bad no one will ever know for sure after The Purifiers turn those libraries to ash.