Aether and his twin sister Lumine are travelers, meaning that they travel across different worlds. There original world is a place named Khaenri'ah. One day when Lumine and Aether where traveling together an unknown God try's to "fight" Lumine and Aether but mid "fight" it captures Lumine. Aether blacks out. When he wakes up, he sees a person like creature trying to wake him up. "Wake up! Wake up". When Aether is fully awake, he sees that he's by a waterfront. The creature appears to be a tiny, flying little kid. This isn't a huge shock to Aether he's seen worse but what is a shock to him is trying to comprehend what just happened. Aether quickly gets up and asks this thing what's its name and where is he at "my name is Paimon! the world you are in the world of Teyvat, there's seven Archons (Gods) and seven nations each Archon rules a nation, there's the pyro Archon, the Geo Archon, the anemo Archon, the cryo Archon, the hydro Archon and the electro Archon." Aether sees a town like area nearby by he asks, " it's that a nation?" Paimon responds with " yep that's Mondstadt the city of freedom." As Aether walks toward Mondstadt he meets a girl named amber. She introduces herself as a knight of Mondstadt she leads Aether to Mondstadt. While on their way Aether tells amber about his situation she responds with "Hopefully the people of Mondstadt and the knights have heard of or seen your sister but as knights it's our job to help travelers and the people of Mondstadt!" When you enter Mondstadt your welcomed with kind voices and good smelling food Amber takes him to the knights of Favonius headquarters. she took him in a room with seven other people one of them being a child. These are the knights of Favonius Jean, Kaeya, Eula, Noelle, Albedo, Lisa and Klee. Aether introduces himself and about his sister all the knight's seam passion that they can fine her "I'm sure we can-" just then everyone hears screams coming outside everyone rushes to see what's going on. Jean hears someone scream "stormterrors back!!" All the knights rush outside to see what's going on the dragon stormterror is attacking again. This has happened before, so the knights know what to do, as always, they try and fight him off but this time they can't so they ask the traveler for help, the traveler fights off stormterror and wins. Hes saved Mondstadt! At least for now...