Chapter 174 - Final Act (1)_4

Ban Xia exerted her strength to pull down the lever; it was quite strenuous. After pulling it all the way down, a "click" sound was heard, and a "buzzing" sound emanated from within the wall, as if a motor was spinning inside. It seemed like there was an engine room concealed within, complete with gears, crankshafts, and chains—various sounds could be heard. Driven by curiosity, Ban Xia pressed her ear against the wall and listened for a little while.