For Aria's sake! Eden's Wrathful Lightning Strike! - S1.E20

Learning of Souma's defeat, Eden leaves the Sanctuary in order to find Aria himself. He eventually manages to track down Aria, who is accompanied by Kouga and Yuna. After easily defeating Yuna, Eden and Kouga have their long awaited fight. However, the Orion Bronze Saint easily dominates the battle despite Kouga's best efforts. Not wanting to see her friend hurt, Aria allows Eden to take her away.