C933 The Mysterious Power Is Weakening

"I don't know what's so special about it either!"

Niu Thirteen shook his head. He really couldn't think of anything else …

He had a guess in his mind. Maybe there really was something inside Ox-Head Mountain that attracted this person who set up the formation.

Xuanyuan Xue's gaze passed through the dense horde of demon beasts and looked towards the direction of Ox-Head Mountain