C756 A Perfect Score for the Opponent

That day, Wu Zhongyuan had gone to the underground palace in the desert. To be precise, he had stayed in the sand dune above the palace for a short period of time. The underground palace didn't give him a good feeling. There was a strong evil Qi in the gloomy atmosphere.

Due to the thick sand covering the surface of the palace, he had no idea how big the underground palace was. In fact