C696 Identity of cao xiong

Suddenly, Xiong Yu remembered something. He took out a small white porcelain bottle from his bag and said, "Grandfather, these are the samples of the Human Demon Virus that I collected. Take a look and see if it can be solved."

"Ahh …" Meng Wuzhen and Zhao Hongde were both shocked when they heard it. They stared at the bottle in Xiong Yu's hands and then walked over to Xiong Yu's side