Scara is your twin and ever since you 2 were young, he has been the favorite and really spoiled by Ei. Ei is your mother, and the God of eternity. She is awaiting the day he will grow up and get the title as the God of eternity and rule over Inazuma , while you were left behind. You've always been a kind soul and still loved your brother and mom even though they were horrible to you, untill one day you just dissapeard. When Scara grew up and Ei's neck sign that represented the God of eternity dissapeared and he didint got it, he started fixing himself and be more kind. You on the other hand, when you went missing, you started training from a really young age and had an incredibly high IQ, which is why at the age of 14, the sign appeared on your neck, and you became the true God and guardian of space, time and eternity. Even so, you became one of the most feared people in the world, and moved to Scheznaya and teamed up with the coldest God of them all, Tsaritsa. Scara started exploring Teyvat , looking for you and wanting to fix things as Ei remained in Inazuma, taking care of her land even though she was no longer the rightful guardian