Master Zhong was seen holding a small mirror, its surface smooth and clear, as he meticulously inspected the inside of the Pill Furnace.
Cauldrons have Cauldron Qi, especially those ancient cauldrons that have existed for ages, the Cauldron Qi contained within them is quite extraordinary.
This mirror is able to reveal the Cauldron Qi harbored by the ancient cauldron and use it to determine the last type of Pills that had been refined in this Pill Furnace.
This method is rather reliable and is also a common tactic employed by many experienced Pill Refiners.
The small mirror showed a slight reaction, but it was not significant, suggesting that the Cauldron Qi inside the ancient cauldron was not very intense.
Master Zhong furrowed his brows, as this situation was somewhat unexpected; he had assumed that such an ancient cauldron would contain a very rich Cauldron Qi, but it turned out that this cauldron's Qi might not even match half of the normal levels.
