The army in the Ghost World had already assembled. The ten strongest Ghost Emperors selected from the ten prisons were all present.
The Prison Emperor was renowned throughout the Ghost World. The place under his control was the most dangerous and terrifying region in the Ghost World, lashed year-round by horrific spatial storms.
The space here was exceptionally chaotic, but it contained the most Ghost Source Ore Veins in the Ghost World.
Ore from the Ghost Source Ore Veins could be refined into a portion of Mandate Force. In an environment as perilous as the Ghost World, Mandate Force was the foundation of survival. Countless factions flocked here like ducks to a pond, all seeking control, yet none could wholly claim it.
After endless negotiations and battles, they ultimately designated this place as the Prison Emperor's territory.
Yet it was not under the Prison Emperor's sole control. He merely guarded the prisoners escorted here by the various factions, making them mine the ore, which would ultimately be divided among those factions.
The fact that he could govern this region and be revered as the Prison Emperor was proof enough of his strength. In the Ghost World, he could be considered a major power.
The discovery of the Ghost Domain delighted the Prison Emperor. He did not tell any other Ghost World factions; he had even unilaterally sealed off his territory, ensuring that not the slightest scrap of news could escape.
He had a faint intuition that if he could seize that realm, he might one day challenge for the supreme Emperor's Throne of the Ghost World and become its true ruler.
Whether living beings or the Ghost Race, who did not harbor a little ambition? The Prison Emperor was no exception.
Of course, this move carried enormous risk. If this