Outside Vast Heaven City, a group of Nascent Soul and Golden Core Demon Race cultivators began activating the formation.
The vast gathering of low-level Demon Race cultivators and Demonic Cultivators all wore talismanic seals. Through these seals, they could crudely and simply link the countless Demon Race cultivators and Demonic Cultivators to the enormous formation.
Setting up such an immense formation was actually extremely costly. Since the Western Wasteland entered You Province, this was the first time they had activated a Nether God Grand Array on such a scale.
During the months-long siege of Vast Heaven City, they had already set up the Nether God Grand Array.
In fact, merely feeding these low-level Demon Race cultivators for this siege had consumed an ocean of resources. Add to that the hundreds of millions of talismanic seals used to arrange the formation, and it was another enormous expense.
By cost alone, even selling Vast Heaven City would hardly recoup their investment.
If Netherworld and Blood Shadow had not suffered such a crushing loss, they would never have made such arrangements. This was entirely a money-losing venture.
But they simply could not swallow this outrage. Besides, Gao Xian's formidable cultivation meant that if he gained a firm foothold in You Province, life would become difficult for the two of them.
The two sixth-rank experts gritted their teeth, hardened their hearts, and planned this siege.
No matter what, they would first give Gao Xian a good thrashing. Then they would break several of You Province's most important great sects and thoroughly throw You Province into chaos.
Netherworld and Blood Shadow were both friends of Beiming. For thousands of years, they had continuously infiltrated You Province and long since won over many upper-ranking members of the various sects.
These high-ranking sect cultivators had very simple