Summary
Kastro is a celebrated warrior residing on the 200th floor of the Heavens Arena, where he has earned the title of Floor Master through a string of victories. Renowned for his exceptional proficiency in hand-to-hand combat and martial arts, he is considered a prominent figure within the arena's competitive scene. His reputation was previously marred two years ago when he suffered a defeat at the hands of Hisoka, a loss that remains his sole blemish. Determined to overcome this setback, Kastro engaged in rigorous training to strengthen his Nen. After securing nine consecutive wins, he issued a challenge to Hisoka for his tenth match, aiming to reclaim his standing and prove his growth.
