C1921 Pill Master Association.

Five hours later, Zachary yawned, "I finally succeeded."

He raised his right hand, curled his palm, and a red flame appeared. It quietly burned, and it did not seem to have much temperature, but the power contained within it far exceeded the Fire of Vital Qi and the Fire of Spiritual Strength.

"It's done! I won't have to worry about refining pills in the future!"

Speaking of which