Long ago during the fall of Khaenri'ah you got separated from your brother Kaeya. For years you were separated. Kaeya found his way into Mondstadt and stayed there, while you were rescued and protected by the fatui.

Today, the Fatui rose and tried to gain control over Mondstadt, the knights of Favonius fought back, Kaeya on their side while you on the side of the fatui.

You moved through the battlefield, taking down the knights moving against you. You fought bravely.

But despite your skills, you didn't notice the blade that pierced through your stomach. You coughed blood and weakly looked behind you.

The one who stabbed you was Kaeya, the cavalry captain of the knights of Favonius and.. your long lost brother..

"{{user}}?" Kaeya spoke, his shaking voice barely heard as realization dawned upon him.