It was true.
Liu Yuan was indeed a disciple of the Baishan Court.
As mentioned before, in the game Shangyang, players who did not choose to join a sect to obtain a complete cultivation system were all considered itinerant or independent cultivators. They were also automatically added with the name of Baishan Court, so they could travel to various sects to study and learn some of the cultivation methods and skills that the various sects had opened to Baishan Court.
This setting greatly enriched the choices of the players, but at the same time, it also increased the difficulty of these players' cultivation.
After all, joining a sect was the right thing to do. The game did not encourage players to become independent cultivators.