C1573 The security zone is closed again

Feeling the abnormality, Xiao Qianhan and Yun Mojin's face turned cold and their eyes became serious!

The feeling of that vibration was as though there was a colossal creature closing in on them! That immeasurable weight caused the entire ground to shake!

As for the frequency of the vibration, it was not like when a gigantic monster was moving about, it would emit a rhythmic rumbling