After the two days, Zhao Feng got a few more books from Yun Yao to increase his knowledge and when he had questions, he would ask Yun Yao.
At first, Yun Yao was full of disdain but later on she was shocked. The questions he asked didn’t seem like someone who had just started learning pill making.
Zhao Feng was like a sponge in the ocean quickly absorbing the water.