Aria

Aria (Aria) An unidentified, seemingly amnesiac young girl, who Ionia claims is Athena's true self. She commands the element of Light.

Personality
She does not talk much, and is actually a girl who is really unknown. Apparently, has no recollection, which is refrejado in his sad eyes. The only thing that is certain is that she is not Athena. It handled like a doll by Ionia by passage through Capricorn and reaches Athena burst into tears and beg help Pegasus Kōga when "wakes up" the spell temporarily made ​​by Capricorn Ionia through contact between its cosmo and boy (both light .)

Save kindness in his heart, a situation that is in evidence when warned to Pegasus Kōga to flee in the presence of Capricorn Ionia, knowing that this would never have a chance against him

Preview
Specifically appears in episode 8, when it comes in a magnificent carriage Palestra, being received in the central building of Capricorn Ionia , the director of the institution. It is then escorted to his quarters where he remains in the company of two ladies arranged for their care. Koga would get it, thinking it was of Athena (Kido Saori), and his desire to see it would motivate you to defeat three subjects of Mars to be the surprise of the Palestra Athena is not the real Athena, who soon made ​​reproach. But when Koga's hand makes contact with the girl a great light is released from the body of the girl. The meeting of two people whose cosmos is in the same power of light causes a reaction and "Athena" is aware of where you are, regaining control of himself and his conscience. He is aware that it is not true and that Koga Atena is not lying, so that bursts into tears like a child confused, wondering who he is and saying you do not know, knows nothing. Koga, worried, leans toward her and then reached Ionia, who reveals his betrayal and invokes his armor when he bravely faces Koga. Ionia would take to "Athena" neck and dark cosmos would eventually retake control over it. With the power of the girl that the real barrier imposed on Palestra Athena fall, allowing the darkness to take over the complex Mars.

Finally, she was leaving the building in the company of Ionia, recovering his eyes sad, but remembering in an instant the cosmos left by Pegasus Kōga.

Driven to the Sanctuary of the Twelve Houses, would be used, this time for Mars in person, to destroy the site and begin building the "New Sanctuary" Tower Of Babel.

Trivia

 * This girl has a cosmo "as vast as kind" and is as powerful as he could to break the barrier imposed by the very Saori Kido at Palestra.
 * She fulfills the typical role of "Kagemusha", ie a person impersonating another and in the eyes of the world is that person himself.
 * It is believed that purple necklace she wears around the neck is the physical form taken by the employee to submit dark cosmos.