Heuk Rang (흨랑) is a weapon used by most members of the Bi Yeong Pal Mu. It is a silver two-bladed dagger where one portion is longer and the other is shorter, though both portions are sharp. The body is attached to a bronze-colored handle with a ring attached at its end. The heuk rang is designed for swift damage specifically for stabbing and for throwing at the user's target. It can be thrown on its own, or it can also be used with other mixtures such as poison on its tip to create further damage on the target. This method appears to be successful especially on pursuit missions.