Suspicion

"Moreover, this person has been invisible for over a week now. Why did he suddenly appear after all the treasures have come out? Was he somehow connected to this as well?" Envoy Ming's heart started beating loudly as he voiced out his thoughts.

He knew that if his conjecture was true, then whatever happening here was related to Heavenly Demon Sect. Nothing good came out of those lunatics. It was better to be cautious whenever they are involved. 

Likewise, if his conjecture was true and this murderer was somehow connected with these bizarre events, then apprehending him was of utmost priority. Who knew what kind of information would come out of him?