Devilish Blade
From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
The Devilish Blade (デビリッシュ ブレード, Debirisshu Burēdo) is the name of Kogu's blade.
Description
The Devilish Blade is a very long sword. The lining is navy blue and the back is black. It has a gold handle and is a very sharp blade.
History
The Devilish Blade was used by Kogu in Dragon Ball Z: Bojack Unbound. During his battle against Future Trunks Brief, Kogu used the Devilish Blade to attack him only for it to be blocked and later broken after Future Trunks transformed into an Ascended Super Saiyan. After the Devilish Blade broke, Future Trunks proceeded to kill Kogu.