Zatch Bell! Season 3 Episode 21 The Roar Of Rao Diboren!

Everyone is having a hard time trying to defeat their respective 'Supreme Mamodo.' Zatch's team is trying to figure out the location of their hidden mamodo. Belgim E.O is terrorizing Dr. Riddles' team! Lien's team is trying to defeat Tsao-lon a mamodo skilled in his martial arts attacks and Megumi realizes something odd about his partner Gensou...