C942 Dark Wolf Society

"Bullshit! This guy is just farting! How could the serum have such a huge effect? We've already tested it before, it's useless!"

Jin'ling snorted coldly. His expression was extremely unpleasant. He felt that his group of people had been played in circles by Jiang Feng's two sentences.

"I'm talking about serum E. Has the dean tried it out?" Jiang Feng asked with some surprise.

"Of course