After doing all this, Xiao Yi released the Fire Dragon Cauldron.

Although he had refined Foundation-building Pills countless times for his disciples in his previous life, at this moment, Xiao Yi still had an awe-inspiring feeling in his heart.

Foundation-building was the most difficult step to cross in the process of changing one's fate against the will of heaven. In the other realms of cultivation, even without the assistance of pills, one could easily advance to a certain level of cultivation. However, only Foundation-building Realm needed the help of the Foundation-building Pill. That Foundation-building Pill was like a special token that knocked on the door of the Foundation-building Realm. It was indispensable.