Kokui no Senshi, which translates to 'Warrior in Black', is a mysterious Saiyan character who appears in various Dragon Ball video games and fan-made media, rather than the main anime or manga. In his SSJ3 (Super Saiyan 3) form, he displays immense power and a striking appearance with long golden hair and no eyebrows, characteristic of the transformation. Kokui no Senshi often serves as a secret or special opponent, challenging the main characters and intriguing fans with his enigmatic origins and formidable combat skills.