Yi Yu's guess is correct. This monument is a walking palace of emperor Zhenwu. Yi Rongye only controls part of the forbidden area.

and Yi Yu has noticed that although Yi Rongye is right in front of him, his spirit is not complete and a large part is missing.

when the cultivation of martial arts has reached a certain level, it can be divided into a part of spirits, which can be integrated into the body of artifact or other martial arts, or even directly transformed into an external avatar, but the spirits contained in the external avatar will not exceed 30%.

but the missing spirit of Yi Rongye is...