Chapter 167: Implementing Mountain Collapse, Refining Tongyou Pill (Seeking Monthly Tickets!)_2

He gently collected the leftover residues of the pills.

Mi Li asked him with a soft smile why he was collecting the residues, as they were usually deemed useless and were typically discarded in the wilderness.

With wide eyes, Qu Lingjun merely replied that these were the residues of successful pill refinements. By comparing them with the residues of failed attempts, they might be able to discern other differences between success and failure.

Outside the Pill Room, Luo Chen, who was almost back to his stone house, suddenly halted his steps.

He also had such a habit, learning from his failures.

But, he seemed to have never paid attention to the residues left behind by successful pill refinements.

Just like solving a math problem.

Many people, when they get a wrong answer, will look for the step where they went wrong.

But few people, after getting the correct answer, will spend time examining the meanings of every step in their calculation process.