"Hmm?"
Chen Mu slightly narrowed his eyes as he looked towards the courtyard entrance.
When a martial artist advanced to the Tendon Changing Perfection, it wasn't merely about cultivating a strength strong enough to twist steel. The abundant Qi-blood also rendered their senses, especially hearing and sight, much keener than an ordinary person's. They might not be able to hear a mosquito flapping its wings, but they could detect nearby rustling in the grass with relative ease.
The strange noise was coming from the direction of the Yu family's residence.
If it were during the day, Chen Mu might not have cared, but at this point in time, it was deep into the night. He had been in his bedroom comprehending the Thunderclap Diagram and hadn't rested until now. He had come out to the courtyard merely because he was a bit fatigued from the intense focus and wanted to look at the moonlight to relax, planning to rest afterward.