C775 Dragon Spirit Pill

"Hehe, Master, I assure you, in this month... I've been diligently practicing my skill in alchemy every day, and my skill in alchemy has improved significantly. If Master doesn't believe me, then you can definitely come up with a question to test me! " Lei Tian said to Pill Emperor Mo Yu with a confident smile.

Lei Tian knew that he was indeed very talented in alchemy. However