"Nothing suspicious in Forest Zone 2!"
"Report! Nothing found in the eastern lake district either!"
Gu Qiancha listened to the Guard Team's reports with an increasingly grim expression... This was already the fourth threatening letter. Each time, it had been left behind without anyone noticing. Yet with the Guard Team's overall strength at this villa, they had not discovered a thing.
Could the person delivering the letters be some ancient monster with profound cultivation?
With that kind of cultivation, they could do anything they wanted. Why come here to chase celebrities... Gu Qiancha couldn't believe it. Could it really be as Ma Houde of the South Heaven Gate had said—a very real possibility that the culprit was an insider...
At that moment, in the boudoir of the Kunlun Songstress Yu Shi Yao, Ma 0 pulled out a box the size of a cigarette case. He carefully opened it and walked to the center of the room.
He gently blew toward the box, and in an instant, a mass of glittering powder scattered out of it.
"Lord Ma, what is this?" Aunt Xia asked with a frown.
"Spiritual Energy Revealing Powder," Ma 0 said casually. "This powder is specially made. When it comes into contact with spiritual energy, it reveals a color. Different spiritual energy fluctuations produce different colors. If any traces of the letter sender's spiritual energy remain in this room, they will show up."
"I see. As expected of the South Heaven Gate." Aunt Xia offered a compliment.
Ma 0 chuckled... Fortunately, Master Steward had inexplicably opened the South Heaven Gate's main warehouse today, nearly arming the entire Third Group to the teeth.
Come to think of it, if they had possessed this kind of revealing powder during the pleasure boat case, solving it would have been much easier,