C263 Eerie Core

"What is that sound?" What happened? " Zhang Xiaomin was shocked when she heard the loud noise as soon as she came out of seclusion.

Xiao Nan looked towards the direction of the sound and shook his head blankly, "That place seems to be the core region of the One Yuan Great Land. However, this is the first time we have heard such a loud noise, so we don't know what has happened