A companion piece for Sword Coast Adventurer's Guide, detailing the Old Empires. It provides information on the lands of Chessenta, Mulhorand, Tymanther and Unther. It also touches on the surrounding factions and locations, such as the Dragon Principalities (Murghôm and Semphâr), the Abolethic Sovreignty, the Vilhon Wilds, and the yuan-ti nation of Okoth.
This supplement may serve as guidance for Dungeon Masters and players alike. It provides advice for setting campaigns in the Old Empires, as well as for coming up with backstories for characters from the Old Empires.