Bull Riot (ブルライアット Buru Raiatto): Hyuuga's sword that also functions as his transformation device, using it to transform into the Black Knight by using the henshin call "Knight Reincarnation" (騎士転生 Kishi Tensei). Originally belonging to his predecessor Bull Black, the Bull Riot can also be changed into a laser rifle mode. Attacks with multiple slash attacks; including "Black Chop" and "Black Attack".