The difficulty of practicing the Navy Six Styles is not low. Even some senior officers at headquarters can only master one or two styles, using these styles to help themselves break through certain limits of human potential.,As expected of someone who earned the title of Monster... Kuzan's mastery of Rokushiki speed is comparable to that of Sakaski and Aokiji back in the day!,Could he have learned to point a gun in such a short time!。