I know very little about Genshin Impact other than that it is massively popular and looks fantastic
It's late. The residents sleep peacefully behind closed doors, listening to the pitter-patter of the heavy rain.
Those fond of traveling at such times are either ill-intentioned, or secretly pursuing the former.
It doesn't matter who wins or loses. The rain will wash away all traces either way.
When the dawn breaks and the sky clears, the mysterious guest would have been gone already, without a soul noticing.