I'm at the End of the World, and the System Asked Me to Revitalize the Immortal Sect

The apocalypse broke out, and college student Li Yue was originally prepared to survive the apocalypse. But suddenly he was bound to a dislocation system called the "Revitalizing Immortal Sect System". The system actually mistook the university campus for the Immortal Sect? The dormitory aunt is the deacon of the sect. The dormitory is a monk's cave. The school's iron fence turned out to be a sect-protecting formation. ... Mission: Complete the first practice. Mission reward: Golden Light Talisman. ? What does it mean that if I study advanced mathematics for two hours, I am practicing?