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.,Seeing that everyone's attention was drawn to Darren and Cusan, Gajeel felt a surge of resentment, believing they had stolen his spotlight.,Everyone watched as Jiaji walked up to the target, a stone one. For a moment, they all looked at each other in surprise.。