C501 The Knowledge of Overturning the Civilization

Every time a character was pressed down, a faint ripple of light would appear on the stone stele, like ripples of water!

Seeing this scene, Lyu Zifeng was stunned!

At that time, Lyu Zifeng used a mechanism to study the surroundings and finally determined that this place should be the entrance. In the end, it was really the entrance?

However, Xia Ming had something like a password on his body