Beyblade X Season 1 Episode 12

The members of Persona participate in the “Single Battle Fest” for individual matches. Maruko Carlo, who faces Bird on stage with unexpectedly serious intensity, demands a “serious battle” for a specific reason. Carlo unleashes the full power of the Bey Bird once used, displaying strength that belies his imminent retirement. Carlo reveals the reason for seeking a “serious battle” from Bird after the match.