Im not that small. (Ennead x Xiao! M! Reader)

After a battle with the traveler, xiao/Y/n had gone to mondstadt to take a break until someone had opened a portal underneath him and landed in a desert. At first he assumed it was Natlan. Until he wandered around unable to find the kingdom of the Pyro Archon. He finds himself in a temple of the Evil god set/Seth, off...