Two days later.
At the far end of the third floor of the Scripture Hall.
Chen Mu picked up a silk scroll from the top shelf of a bookcase and activated Hundred Mile Qi Seal, drawing in the dust from the gaps between the adjacent scrolls.
After cleaning it off, he returned the scroll to its original place.
He repeated the process until, halfway down the bookcase, several scroll cords binding five or six stacked scrolls came into view.
Chen Mu cleaned away the dust as before, but at the end, he deliberately left one scroll off to the side.
The next moment, Qing Lu's voice sounded.
"The third volume of the Heaven-Reaching River Water Chronicle is in the wrong place."
Chen Mu turned and cupped his hands respectfully. "Thank you for the reminder, Academy Supervisor."
He immediately activated True Hearing Technique and, as expected, caught a familiar Qi Mechanism from the first floor.
"This spot is farthest from the first-floor counter, yet the entire Octagonal Wooden Tower lies within the range of Qing Lu's secret art."
After watching Qing Lu leave, Chen Mu silently continued cleaning.
At noon, Chen Mu temporarily left the Scripture Hall under the pretext of getting lunch.
After leaving the attic, he did not hurry back to the Bamboo Building. Instead, he slowly strolled along the Blue Stone Path outside the Scripture Hall.
At the same time, he quietly activated Hundred Mile Qi Seal, drawing in dust and loose earth from the roadside and spreading it evenly across the ground.
Before long, a tall, thin young man in his twenties came down the mountain path. His shoes were caked with dust as he hurried along the Blue Stone Path toward the Scripture Hall.
As they passed each other, Chen Mu showed nothing on his face,