The Son of the Hero! Ryuhou Versus Koga! Seinto Seiya: Omega : Season 1 Episode 4

Ryuuhou, the son of the legendary Bronze Saint Dragon Shiryuu returns to the Palaestra after a short absence. The young Saint apprentices are subjected to a strict training to master their Cosmo element. Kouga is later forced to battle Ryuuhou in an intense element-to-element duel.