The Japanese Sword (日本刀 Nihontō) is a very long and very powerful sword that can be used by Future Trunks in Super Dragon Ball Z.
Overview[]
Future Trunks with the Japanese sword on his back
It is either a katana, or a similar but longer sword called a nodachi.
Video Game Appearances[]
In Super Dragon Ball Z, this Japanese sword can only be obtained by training the character's skill tree to the second level, in which the player can choose from the Japanese sword, the Laser Sword, or the ability to raise the action gauge.