Shortly after Jack Sparrow attains the "Black Pearl", Barbossa joins him as his first mate. In the book series ', Tia Dalma tasks them with securing seven vials of shadow gold to stop the evil Shadow Lord from gaining total control over the seas by destroying the Brethren Court with his Shadow Army. Over the course of the novels, they are able to collect all vials shattered across the world by allying with or fighting against the other Pirate Lords. They are able to defeat the Shadow Lord with the combined efforts of all Pirate Lords, after which Jack wants to sail for Tortuga to recruit a new crew. Barbossa offers him to handle that in his stead, implying that he recruited men with the intent to mutineer against his captain.