Create thrilling adventures with this revised and expanded Dungeon Master’s Guide for fifth edition Dungeons & Dragons®. Inside this essential guide is everything new and experienced Dungeon Masters need to weave epic tales, build fantastical worlds, and inspire memorable moments for your party. Contents: Intended for Dungeon Masters of all experience levels, this essential resource provides incredibly useful tools and advice for running your D&D game. Includes real-world examples of common pitfalls for Dungeon Masters, along with suggestions for how to handle them. 15 new, ready-to-use, reusable maps for homebrew adventures. Multiple handouts and resources for keeping track of campaigns. Presents Greyhawk as a customizable, ready-to-use campaign setting for Dungeon Masters. Set your adventures within Greyhawk or use it as a foundation for worlds you create. More than 300 new and improved treasures and magical items, including 18 brand new magical items. Contains rules for bastions, strongholds built and controlled by players. With crafting, base-building, and resource gathering, bastions are a fun between-session option for players. Easily find information on key D&D characters and locations with the Lore Glossary. Includes a double-sided poster map depicting Eastern Oerik from the Greyhawk setting and the city of Greyhawk.