I'll Give Tutoring Classes in the Last Days

Xu Bai in the apocalypse started a tutoring class in a daze. "The main characteristic of the Zerg is their strong vitality. Write it down. This is the key point and the kind to be tested." "Let me briefly demonstrate how to extract the energy from the mutated crystal with the highest efficiency." And "Tomorrow's practical class exam, each person will independently capture a third-order mutant alive!" Student:? ? ? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.