Corpse Bone Mountain.
The dividing line between the Celestial State and Chizhou. By definition, south of Corpse Bone Mountain was the Celestial State, and north of it was Chizhou.
In other words, to travel from the Celestial State to Chizhou, one had to pass through Corpse Bone Mountain. Likewise, to go from Chizhou to the Celestial State, one also had to cross it.
Corpse Bone Mountain was known as the Hell of Martial Artists.
This meant that out of a hundred Martial Artists who entered Corpse Bone Mountain, less than a tenth would make it out alive. Inside, one could see skeletal remains everywhere; it would be no exaggeration to say the ground was littered with bones.
Outside Corpse Bone Mountain.
After listening to Xia Jun's explanation, Long Ao couldn't help but sigh. He never would have imagined that such a place existed at the border of the Celestial State and Chizhou.
