Living tombs are called so because they are constructed while the person is still speaking!
They are merely sleeping, and after such a long time, their bodies will be affected, thus, they need to set up a formation.
It seems that Wu Jinhuan must have gone to help the two arrange the formation.
Cao Zhen gathered with Li Lingwei, looked at the three disciples accompanying them, Ling Xi, Yan Yourong, and Yi Sheng, and after thinking, he said, "Yourong, you should stay first. After all, we also need someone in the Immortal Sect to communicate with the sect at any time.
Furthermore, you still need to continue cultivating your divine skills, and we should have enough people this time."
"Yes, disciple will take good care of Hundred Peaks Sect and Four Treasures Peak!"
Yan Yourong has never been a nagging person; she also knew that not all of Four Treasures Peak's people could leave, and indeed she needed to cultivate divine skills.