In the office, Cui Lang flipped through the Demon Compendium.
This booklet was not as thick as Cui Lang had imagined. It recorded the appearances, traits, and weaknesses of many demons, but when Cui Lang counted them, there were only a little over a hundred.
Among them were the Mountain Ghost, Toad Demon, and others he had slain, but he did not find the female demon from the painting.
At the end of the book, there was also some text describing several special demon spirits.
Because they were so rare, there was no way to summarize their traits or weaknesses. It warned everyone to be extremely cautious upon encountering them, as some were extraordinarily terrifying.
"So Toad Demons and Mountain Ghosts are considered common demons. Their clans must be huge. I wonder when I'll run into their brothers and sisters—just in time for me to replenish myself."
Just as he was preparing to carefully memorize everything, Li Tieshan suddenly appeared at the doorway.
"Chief Constable Cui, we brothers have been gathering cases suspected to involve demons these past few days. We have now narrowed them down to five. Please take a look and see which one we should investigate first."
Without even looking up, Cui Lang said, "Two people per group. Investigate all five at once."
How slow would it be to investigate them one by one? Naturally, it was best to investigate them all together.
"What, are you all too afraid to even investigate a demon case?"
A Gathering Essence Realm cultivator leading someone at the peak of the Refining Essence Realm was a little short on manpower, but it was not as if he was asking them to slay demons and eliminate monsters.
Li Tieshan asked directly, "Then won't Chief Constable Cui lead us to investigate one?"
Cui