Ice Wave City.
Shielded by the Myriad Ghosts Soul Devouring Formation, even Nie Yushuang, who had charged into the city several times to investigate, had never discovered that nine blood pools filled with blood had been constructed hundreds of zhang beneath Ice Wave City.
Each of these nine blood pools was dozens of zhang wide, filled with the blood of tens of thousands of Ice Wave City cultivators and millions of mortals.
The blood pools were built entirely from blood-red jade-like stone, etched with countless dark golden runes. At the center of each pool stood a towering blood banner, baleful light pulsing from its surface, where the faint silhouette of a savage and ferocious evil ghost could be seen emerging.
When the Nether Bone Old Demon crushed the bone talisman in his hand aboveground, a blood-robed old man meditating with closed eyes beside one of the underground blood pools suddenly opened them.
"Couldn't hold on after so little time? That old fool Nether Bone truly is useless!"
The blood-robed old man's brows twitched. His eyes filled with contempt as he muttered a curse, then rose and gazed thoughtfully at the blood banner within the pool.
"Fine. Since I took so many benefits this time, it would be hard to account for myself to the High Person if I did not shed some blood. After all, there are still matters in the future that will require their help!"
As he muttered to himself, he suddenly beckoned with one hand. The blood banner in the pool flew into his grasp.
Then, gripping the banner in one hand, he slammed his fist heavily against his chest with the other. With a "wah," he spat out a large mouthful of blood essence onto the banner.
At once, the vague evil ghost image on the