บท 774: As Expected of Eldest Miss Gu

After Gu Qingxue was sure that the drug was taking effect in Rong Zhan's body, she saw that his forehead was covered in sweat. She then said unhurriedly, "I almost forgot to remind Your Royal Highness. This pill can only be used on people who are injured or paralyzed like Your Royal Highness. Otherwise, the pill will be filled with too much energy and will be harmful to the body. It will keep the person in an overly active state and prevent the body from getting any rest."

"In other words, one would get so excited that they can't sleep?" Seeing Gu Qingxue nod, Rong Zhan's face darkened. "How long will the effects of this pill last? "