This errata included changes such as removing stat penalties for playable monster races and makes the changes to playable monster races seen in campaign specific settings ( Eberron: Rising From The Last War and Explorer's Guide to Wildemount) canon for all of Dungeons & Dragons. In October 2020, an errata for the book was released. An exclusive edition with an alternate art cover by Hydro74 was pre-released to select game shops early in November 2016.
This book was released on November 15, 2016. Over 100 new monsters complete with game statistics and lore including the froghemoth, the neogi, and the vargouille.6 additional 'monstrous' character traits are given in brief, including the iconic goblin, kobold and orc for groups that want to explore less conventional character types.7 new character races are presented in full including the Firbolg, Goliath and Tabaxi.9 iconic D&D monsters are provided additional information about their origins, their dispositions and behaviors, and their lairs.The book also contains marginalia by both Volothamp Geddarm and Elminster of Shadowdale. This book adds a variety of new playable races and expands on existing creatures in the Monster Manual in addition to adding new ones.