As the story goes, Shi Lei, along with Qian Duoduo and Yi Xiaobai, was digging up vast quantities of Spirit Stones inside the Beast Sect Secret Realm, becoming so absorbed in the work that they completely lost track of time.
Shi Lei's goal was to dig up and empty out every single Spirit Stone within the entire Beast Sect.
However, when Shi Lei discovered that he could pass through the Beast Sect's mysterious force field and enter the inner area of the main Beast Sect hall, he realized to his utter astonishment that the entire Beast Sect was constructed entirely out of Spirit Stones. This left Shi Lei dumbfounded.
Chapter 337