Dlc, the prequel to "One Sword and Five", went to Shushan and didn't promote the plot ~ The master always asked where Xie Cangxing was.

Click on the steamed stuffed bun in the upper right corner to return to the original scene Xiahou House.

Then adjust the team and let Xie Cangxing join the team.

Then go to the transmission point outside and choose the right one to go in.

Choose to go to Loulan ancient city

Go to the gate of Loulan and walk into the teleport.

Go on to Shushan, and you will know the rest.