Cao Zhen had never failed in alchemy, and this lack of failure didn't just refer to the alchemic process, but also included the effectiveness of the pills he crafted.
Now, he had actually failed.
Little Beiyan brought Zhu Peng to Cao Zhen, pointed at Zhu Peng, and said to him, "Master, take a look at him, will you? Then perhaps concoct a pill for him afterwards?"
Listening to his disciple, Cao Zhen was at a loss for words. Why should he look? He was no doctor.
"No need to look, I'll concoct another batch of pills for him. In five days... come back and get them from me."
If the Qi Zhi Pill wasn't effective, then he would switch to an even higher quality pill. This time, he was going to craft an even superior pill.
However...
Five days later, Cao Zhen, looking at the once again foolishly grinning Zhu Peng brought before him by Little Beiyan, was completely flustered.
He had failed again!
Logically speaking, this shouldn't have happened.