C43 Royal Alchemist(1)

She felt that it was always cheaper to exchange herbs in the Medicine Pavilion than outside. Moreover, she had been concocting these herbs from Shang Ziyan for a long time, and it looked like she was about to run out.

It was impossible for her to ask her teacher for these things, but if she didn't have the medicinal ingredients, how could she continue to concoct pills? So