Xu Shiyan and the two Linying accompanying her worked together to pry open the iron door.
Once open, however, the space inside was completely empty.
Xu Shiyan frowned, about to ask the old woman what was going on, when she noticed the old woman seemed to have anticipated this. She stepped forward, pressed her body against the wall, and leaned an ear against it, tapping and rapping her fingers on the surface. She explained to Xu Shiyan with a nonchalant air, "I’ve been locked up here for over forty years, and the only entertainment I had was listening. Footsteps, the sound of cell doors opening—I could even tell which cell the guards were heading to just by pressing my ear against the wall."
Chapter 253