C251 The Secrets of the Holy Spirit Pill

"There's an ancient prescription in here."

Old Master Su glanced at Hsiao Hee, let out a long sigh and patted the box.

"Rather than say it's a medicinal formula, it's more accurate to say that it's a pill formula."

"Pill formula?" Hsiao Hee was slightly stunned and his face was filled with surprise.

The word 'pill formula' wasn't unfamiliar to him