A Thousand Miles in a Day

On the bank of the small river outside Taiping Academy in Lingxing Village, a medicine seller suddenly appeared. I don’t know what kind of miraculous medicine is needed to find business in this village famous for its medicinal materials.

1. Come here at noon to talk to the medicine seller, choose Ask about the medicine, and then use the mystic skill Photograph Star and Moon to obtain the "Spiritual Advancement Powder" from him.

1. You Shi came here to give Su Zi the "Sudden Advance Powder".
2. Then go back and confront the drug seller.
3. Finally, come back to Su Zi to understand the situation and you will be able to complete the task of knowing everything.

Note: You can also give it to Zhai Chuan or Zhai Xiong, these two people have already appeared in the school.