The "Explorer's Guide to Wildemount" is a campaign setting book for the Dungeons & Dragons role-playing game, focusing on the continent of Wildemount from the popular web series Critical Role. It provides detailed descriptions of the geography, cultures, and factions within Wildemount, allowing players to immerse themselves in its rich lore and diverse environments. The book includes new character options, spells, and magic items, enhancing gameplay for both players and Dungeon Masters. It also features adventure hooks and story ideas, making it easier to create engaging campaigns set in the unique world of Wildemount.