The Black Stone Pirates are a massive pirate crew led by Ryloth Onyx. Despite being the leading force of the Pirate Empire, the Black Stone Pirates are the largest known pirate crew in the world.
The Black Stone Pirate's jolly roger is based on an octagonal stone with a set of crossbones, a rib cage and Baryonyx skull around it. The Baryonyx skull possesses a crown.