Dungeons & Dragons 5th Ed: Mordenkainen's Tome of Foes Limited Edition

Discover the truth about the great conflicts of the D&D
 multiverse in this supplement for the world's greatest roleplaying game.

This tome is built on the writings of the renowned wizard from the
world of Greyhawk, gathered over a lifetime 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 number of times, to
amass the knowledge contained herein. In addition to Mordenkainen’s
musings on the endless wars of the multiverse, the book contains game
statistics for dozens of monsters: new demons and devils, several
varieties of elves and duergar, and a vast array of other creatures from
throughout the planes of existence.