C428 Thunder Mountain Range!

At this time, Xiao Chen was together with Mu Jue, Mu Qingxi, and Lu Chengyuan in the First Prince's mansion.

Xiao Chen drew out the treasure map of the Thunder Dragon Secret Realm and pointed to an enormous mountain range, "Mu Jue, do you know where this is?"

"This is the Thunder Mountain Range?" Mu Jue asked with some doubt