C68 [new Type of Material]

The group of people took the medicine and prepared to return to the library.

However, when they were on the way back, Yang Xuan could clearly feel that something was wrong with the temperature.

Yang Xuan took out his phone and said, "Red Queen, gather everyone."

"Hurry up and go back. I feel that the cold is coming." Yang Xuan said to the three people behind him