He had never expected a beast herd riot like this to occur anywhere other than a battlefield, and especially not in Lingxu City!

Fortunately, although this foremost city under heaven had no city walls, there were two enormous natural stone walls outside its north gate. Any creature approaching the north gate—whether a merchant caravan, mounted travelers, or thunderclap beasts—had to pass through the corridor between the natural stone walls.

This corridor was about forty meters wide, unusually flat, and convenient for carts and horses. Of course, it could not stop the thunderclap beast herd.

However, the earlier mire spell had still bought Lingxu City a little time. Several greater monsters rushed over and joined forces to cast spells. At the end of the corridor, in front of Lingxu City, they combined multiple divine techniques, such as clay modeling and petrification, to forcibly create a thick wall!

In this post-immortal era, cultivators no longer could move mountains and overturn seas, but jointly casting spells to raise the ground temporarily was still within their capabilities.

The wall was twenty-six meters tall and sixteen meters thick. Clearly, the greater monsters had already considered the thunderclap beasts’ powerful impact.

Although its surface was uneven and had nothing whatsoever to do with beauty, the fact that it could be built within just...