Tears To Tiara Temporada 1 Episódio 10

As Octavia recovers from her wounds she begins to explore the castle and meet its inhabitants. Although most welcome her warmly Arthur is at first distrustful of having a soldier of the Empire so close at hand. When Octavia tells Arthur about his weak swordsmanship, Arthur doesnt take it and challenges her to a duel. However, she is eventually accepted by Arthur and decides to join the Gael Tribe.