This sword was used by Ryūgan, then later Hōki and then Seimei. The sword has a metal wire passing through the blade. This wire controls it's movements as the blade can expand and be shot after the targeted enemy. Also, each of the swords blade has the ability to react to the carrier's chakra, amplify it and change its form to that of a dragon. The sword is also used as part of the Ninja Tools Barrier: Reverse Fish Scales Formation collaboration jutsu.
