Black Dirty Party Howling:Cannons of the Noble Pirate Baron (高貴なる海賊準男爵の咆吼, kōkinaru kaizoku jun danshaku no?) is the Noble Phantasm of Bartholomew Roberts. Simultaneous bombardment of pirate ships. Bartholmew, away from the sea, bombards from above, below, left, and right all at once. However in order to achieve maximum power, tactics must be constructed in advanced, and if the opponent is a famous captain or military officer, it will be overlooked.