The mechanism of a gun is to gather all the force of the body into one point. The human body's power comes from its legs. With the contraction of muscles, Darren's military boots turned slightly, gripping the ground like nails.,He keenly perceived and felt the activity of every muscle and bone in his body.,Though they had heard rumors like this before, about extraordinary prodigies existing on this sea who could master the six styles of the Navy just by seeing them once or twice.。