C211 An Experiment That Did Not Stop

He shouted inside: "Is there anyone here?"

There was no response from the inside. Nangong Lengshan was a little impatient and directly pushed open the door and entered.

As soon as he entered, he found an old man lying on the ground twitching and spitting out strange things from his mouth.

"Not good!" Xiao Chen quickly took out the silver needle to protect the old man's heart