Go'Bhu Gascon is a Notorious Monster in Final Fantasy XI. He a target of the quest "Mysteries of Beadeaux II", for which the player must acquire a Quadav Augury Shell from him. The Quadav Augury Shell is exchanged for a Black Matinee Necklace, which is in turn required for Bastok Mission 4-1: Magicite, San d'Oria Mission 4-1: Magicite, and Windurst Mission 4-1: Magicite.