Take from the Introduction. Introduction The Horrendous Habitats series features ready-to-use lairs and hideaways that can be integrated easily into your game. Each entry in the series features a complete and detailed home for your chief antagonist worthy of striking fear and loathing into the heart of the players. The goal is to furnish DMs with a set of adaptable and usable locations that can be used to enhance your already existing adventures or serve as a plot hook for a longer campaign. How to Use This Book Forsaken Hwellan: Lair of the Plague Priest provides a complete dwelling ready to for your dastardly NPC villains to inhabit. The Forsaken Hwellan uses no predetermined setting. It is written in a matter that allows you to add your own information so that it may be adapted swiftly into your campaign world. You will also find ready-made NPCs in the Appendix.