<prompt> Translate the following text to SwahiliThe dramatically rising cliff of black basalt stone made the castle impregnable to all but the most wily commander.  <response>: Mwamba huo wenye mwamba mweusi uliokuwa ukiongezeka sana ulifanya ngome hiyo isiweze kushambuliwa na mtu yeyote isipokuwa kamanda mwenye ujanja zaidi. 