C642 The West Is Cold and the Sky Is at War

Su Jinsi carefully thought about what he said, but she still couldn't think of anything.

"So, this formula was given to you by me? "Then why did you say that again?"

"When everything is fine, ask Murong Yu for His Highness the Crown Prince's antidote. You said that you would come back to tell me how to make more powerful explosives, but …"

Unfortunately, she never returned