Critical reception to the series has been mixed with critics often finding it derivative from other shows from the same genre.
The storyline of Omega takes place 25 years after the Holy Wars of the 20th century narrated in the original manga and its anime adaptation.
Additionally, known elements from Saint Seiya, such as the Cloths, the armors worn by the Saints, bear their known constellations, but are presented in Omega with a new design that differs substantially from those in the original source material, and departing from it, the Cloths emerge from jewels worn by the characters to envelop their bodies, which are known in Omega as Cloth Stones .
As the Pegasus Bronze Saint, Koga embarks on a journey to increase his power to save Athena while meeting some other Saints.The second season begins the "Chapter New Cloth", introducing Athena's new enemy Pallas and her Pallasite warriors, a new ally in the Steel Saint Subaru, and new powers with their stronger New Cloths.The second half of season 2 comprises the "Chapter Ω Awakening" Some of them, such as the deities, exist in the original manga. It is a spin-off of the Saint Seiya anime series written and illustrated by Masami Kurumada, produced in commemoration of the 25th anniversary of the franchise.The series began broadcasting in Japan on TV Asahi on April 1, 2012.