C619 The Princess Returned
This was also the reason why Shuangyao dared to teach Lin Ruoyan without fear. When she taught Shui Zhao to cultivate the poison, she had discovered that as long as she was not around, Shui Zhao would not be able to cultivate the Jade Blood Poison. Instead, she would only be able to cultivate the low-grade Jade Blood Poison.
When she came back, she didn't need to give Shui Zhao any pointers