C427 Why can't I open it?!

Mo Wenchen also heard the sound and walked to Feng Qilin's side, "Why did I live here for more than twenty years without knowing about these mechanisms?"

Gradually, a stone wall in front of Mo Wenchen lifted up, revealing a small dark pavilion. Within the dark pavilion laid a small wooden box.

Mo Wenchen took out the small wooden box, placed it on a table