traditional samurai sword

age ancient antique art asia asiablade authoritypowers background black blade browser challenge challenges computer coverage covering culture duanot qianbsp energy fight five fiveyears forces foreskin handle handles history isolated japanese knives long magnification medical ninja object obsolete old oriental outdated power privileges process pseudonym samurai scabbard science sharp sheath soldiers steel strength strong struggle strugglesstruggle sturdy swords technology the tradition traditional war warriors was year years