Yu Yu Hakusho (1992)

S01E10 Kuwabara's Spirit Sword

The selection process for Genkai's apprentice has been whittled down to eight contenders, including Yusuke, Kuwabara, and the incognito demon Rando! Genkai reveals that the final challenge will be a tournament held in complete darkness. Kuwabara is set to face off against an opponent wielding a mystical sword for his first match!