In both Dragon Ball Z and Dragon Ball Super, Future Trunks carries a powerful sword. 1 / 7
Trunks used this sword to kill Frieza and battle Zamasu and Goku Black. 2 / 7
But where did it come from? 3 / 7
The answer is found in the movie, Wrath of the Dragon. 4 / 7
Gohan, Goten, and the child version of Trunks meet a sword-wielding warrior named Tapion. 5 / 7
At the end of the movie, Tapion gives the sword to Trunks. 6 / 7
The end credits confirms that the sword is the same one wielded by Trunks' future self. 7 / 7