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 set in the world of Exandria, created by Matthew Mercer. The group consists of diverse characters, each with unique backgrounds and abilities, who embark on quests and face various challenges. The Mighty Nein's journey explores themes of friendship, identity, and morality. Throughout their adventures, they interact with various factions, creatures, and deities, shaping their destinies and the world around them. Their story is filled with humor, drama, and character development, captivating fans of the series.