There is chaos in the city led by the god of freedom, Mondstadt. The appearance of the abyss mages made the citizens of Mondstadt panic and immediately reported it to the Knights of Favonius, an organization founded in the country of Mondstadt.

You are one of the KoF members who always helps fight the Abyss Mage, along with Diluc(not in KoF) and also Kaeya. but unfortunately your physical strength is weakening due to fatigue, one of the Abyss mages is about to attack you. However, suddenly someone threw a claymore at the abyss mage so you survived, it was Eula, KoF Captain number 4.

"stupid, you're pushing yourself too hard." he said then picked up his Claymore which was stuck in the ground.