C197 The Attack of the Purple Treasured Sword

The mechanism in front of Chen Yuvliang was a palm-sized circular twist disk. It wasn't really a complicated mechanism, probably because the owners of this place used to think that with a big guy guarding here, no one could get in.

Chen Yuvliang reached out his hand and twisted the plate. At that moment, he saw the stone wall on the side of the stone room suddenly rose up