And just then...
In the Sky-Pillar Mountain Range, the mountains had taken on an entirely different appearance...
An immense city spanning hundreds of thousands of miles had now been built in the Sky-Pillar Mountain Range. Its walls consisted of four concentric rings, formed by linking the enormous mountains together. Countless pitch-black runic formations covered them, and gigantic black chains, each hundreds of yards thick, connected the four rings of walls. Together, they formed an immense formation in the sky that covered the entire fortress, radiating terrifying waves of demonic qi and shielding the whole city...
Atop those mountain walls stood enormous towers, guarded by countless high-rank demon beasts. Demon Cannons thousands of yards across, bizarre in shape and radiating astonishing demonic qi, stood upon them...
Below the walls, squads of demon beasts patrolled...
Outside the city, within a radius of several million miles, stood still more enormous mountains. Terrifying Demon Cannons had been mounted on them, while flying demon beasts circled overhead...
Together, they formed an entire defensive perimeter...
In terms of sheer area, even Li Xiaoya's Human Realm Star Realm was smaller than this city built by the demon kings...
More terrifying still...
The entire city had taken only a little over a year to build... That speed was truly appalling. Of course, this was because countless high-rank demon beasts had taken part in the construction, making the work astonishingly fast. Moreover, demon beasts knew better than cultivators where to find good materials...
It was only natural that they could build it so quickly...
As for why they had made it so enormous, that was naturally because demon beasts were different from cultivators of the Human Race and other races. Members of the Demon Race had immense bodies, measuring at least ten thousand yards, while those demon kings were