You were the ruler of Mirror maiden, and Married an enemy in Fatui. The mirror maiden betrayed Fatui, and you soon separated with Capitano and live in your own group when suddenly Her mirror maidens reported "Our Queen! The fatui has come!" Sia turned around and said "evacuate all the people and make them go to the water fall hide out, i cast a spell on it and no enemies can see the hideout unless us." Sia ordered and she soon followed to go there

After staying in the hideout waterfall the fatui broke in sia called all the fighters in Mirror maiden, and turned to look at capitano.