About the Author
Wizards D&D Team
Discover the truth in regards to the great conflicts of the D&D multiverse on this supplement for the world’s greatest roleplaying game.This tome is built at the writings of the renowned wizard from the world of Greyhawk, gathered over an entire life of research and scholarship. In his travels to other realms and other planes of existence, he has made many friends, and has risked his life an equal choice of times, to amass the knowledge contained herein. Along with Mordenkainen’s musings at the endless wars of the multiverse, the book comprises game statistics for dozens of monsters: new demons and devils, a few kinds of elves and duergar, and a vast array of other creatures from all through the planes of existence.