legendary katana made by an ancient blacksmith method, passed down from father to son for many years. Now that the knowledge of that method only excists in a scroll carried by the wielder of this sword, guarding the secret against all who try to obtain it. Everytime they try to get it, at the evening of that day, the sword shines with a bloody red light, as a last sign of honor to those who died trying to steal it from its true master.