The land area of Taiyuan City was truly unfathomable. It was unlike those so-called cities in the southern lands that linked several grotto-heavens into a line, drew a circle, and called it a "great city" regardless of the mountains and rivers inside. Instead, it was built in the very true sense of a "city," raising houses, fortresses, city walls, and so on.
Especially during the late stages of the war, when the alien sea people were left with only Taiyuan City as a single stronghold, they engaged in massive construction projects during the long standoff. Calamity Law Grandmasters of their clan unleashed great divine powers of moving mountains and filling seas, forcibly altering the terrain and deploying layers of formations and mechanisms to thoroughly forge Taiyuan City into a fortress of war.
As for the "deepest depths" detected by Haihong and his companions—the place where four Longevity True Men had fallen—just viewing its ruins was not inferior to Longxiao City where the sword cultivator clone resided, yet compared to the core battlefield of yesteryears, it was still considered merely the outer periphery.
According to the intelligence gathered by Haihong and his companions, the Taiyuan City of back then had encompassed nearly a thousand large spiritual veins within a radius of hundreds of millions of miles, categorizing and using them to support the operation of the city. For the Great Abyss Soul Shock Cannon alone, ten thousand clansmen were dedicated daily just to regulate the spiritual veins.
Even so, they still suffered a disastrous defeat in the end, meeting the fate of total annihilation for their entire clan. After the great war, the Taiyuan City ruins formed a "dead sea" where spiritual veins dried up and all living things vanished, slowly recovering only after nearly an eal of time.
Yet precisely