The Comprehensive Guide to Xanathar is an expansion manual for Dungeons and Dragons 5th edition. This D&D manual contains new rules and narrative options for all character classes in the Player's Handbook, including over 25 new subclasses. New spells for both player characters and monsters. New rules for traps, magical objects, downtime activities, and more... The beholder Xanathar, the most notorious crime lord of Waterdeep, is known for accumulating information on friends and foes indiscriminately. It archives knowledge about adventurers and ponders the best methods to defeat them. In its twisted mind, it truly believes it can catalog everything!