C1865 The Way of Death

An hour ago, Fairy Ni Chang was in the great hall, trying to open the stone door with her water type secret technique. However, she failed.

"Ni Chang, you don't need to try anymore. The person who went in won't be able to come out!" Gu Jian said resolutely.

He was an expert in Mental Energy and had some attainments in formations. After observing the structure of the stone door