Flashcannons, sizable and outdated projectile weapons loaded from the muzzle, utilized the same technological principles as Sevari flashpistols. These weapons frequently found themselves affixed to sizable wind riders. Darth Bane, during his time among the Gloom Walkers, encountered a trio of gunboats equipped with flashcannon batteries. Absent his command of the Force, it is likely that he and his fellow Gloom Walkers would have been decimated by their firepower.