Saint Seiya Omega Season 1 Episode 51 English Subbed Episode Title:Shine, Köga! The Final Battle Between Light and Darkness!.Episode Description:Abzu tries to have Köga under his control once more with no success and his attempts to kill Saori are stopped by his desperate efforts. Once feeling the radiance of his Cosmo, Köga's friends send the last of their energies to assist him. Infused with the power of his companions and protected by Aria's light, Koga manages to rescue Saori and destroy Abzu for good. As Earth regains the Cosmo that was siphoned from it, the planet returns to normal and the corruption that has spread into the Saints' bodies is washed away. After a brief encounter with Aria's spirit, Köga returns to reunite with the others.