Libra Shiryū (Omega)

Shiryū, Dragon Ryuhou's father and the previous Dragon Bronze Saint, who fought alongside Pegasus Seiya to protect Athena and Earth in the holy wars of the 20th century, regarded as a hero and legendary Saint in the era of Omega. He is the Ryuhou's mentor,

Before Omega
Years before Saint Seiya Omega, Mars invaded Earth accompanied by his Martians , where he confronted the Saints Of Athena. The battle is stopped by the fall of a meteor that fell to earth merging with armor and empowering them not only the elements but the Saints had this power, but the Martians had assimilated.

Omega
After the war Shiryū suffered the loss of all his senses in the battle against Mars and now only perceives his surroundings through the use of his Cosmo.