After conducting a thorough and in-depth investigation, the five Ghost Kings still failed to find any useful clues or leads. Faced with this stalemate, they had no choice but to temporarily shelve the matter and wait for more information and opportunities to emerge.
At this moment, the Central Ghost Emperor, who had remained silent all along with a gloomy expression as if water could drip from his face, finally spoke.
"I have already granted your request and helped you open the Ghost Realm seal," he said coldly. "Now, I am returning to seclusion to cultivate, and I leave the remaining matters to the four of you!" Before his voice had even faded, a black shadow flashed by like lightning, and in the blink of an eye, the Central Ghost Emperor vanished completely from the spot, leaving the other four Ghost Kings looking at each other in dismay.
Chapter 399