The Mighty Nein is a group of adventurers from the popular web series Critical Role, which features voice actors playing tabletop role-playing games. They are the second party in the campaign, known as Campaign 2, and consist of diverse characters, each with unique backgrounds and abilities. The group includes Beau, Jester, Nott, Caleb, Fjord, Yasha, and Caduceus. Throughout their journey, the Mighty Nein explores the world of Wildemount, facing various challenges and uncovering mysteries. Their adventures involve combat, problem-solving, and character development, showcasing the dynamics of friendship and teamwork as they navigate their quests.