C852 Practicing Ability

"I'm not too sure about the details. I'm just an intermediate Fifth Rank gene lock. I heard from some big bosses that only those who have reached the peak of the Fifth Rank gene lock would be able to compare to the Sage of the Prehistoric World."

This time, Yang Xuan was interested.

In fact, Yang Xuan had wanted to go to the Prehistoric World for a long time. After all, there were monsters