The Nephandi, Marauders, infernalists, and dark Umbral entities are spoken about in hushed whispers at meetings of mages but, well, how do you use them in a chronicle? Adam Simpson and Terry Robinson walk through Book of Madness: Whispers Without, Chaos Within which vastly expanded the details and systems for the main Mage antagonists as well as the slippery concept of paradox. Also included: an handy dandy appendix for quick reference.