The void walker starting from Sumeru

Description

The world moves like a machine, and everything gives way to nothingness.
The time traveler glimpsed such a scene and became a self-destructor.
In order to save themselves and destroy themselves, the people and the system came to the world of Teyvat and began their own journey.
Elements: Original God, Beng Tie.
PS: There is already a completed high-quality Genshin Impact fanfic, as well as multiple completed novels. It has a good reputation and its past achievements can be checked.