C308 Return to college

This was a cultivator at the eighth level of the Nascent Soul Stage, yet he was completely helpless against the poisonous gas.

Other than the miserable wails of pain, there was no trace of the old man's spirit energy being emitted. In fact, other than Cheng Fei's spirit energy in the air, there was only that thick and terrifying black light.

After the light dissipated