The invasion of the Purgatory world was like a silent gnawing infestation.
Their devil pioneer armies were gradually slaughtering the demons on the outskirts.
These Purgatory devils used this to wear down the demons' strength while extracting the resources of the Abyssal world in the process.
Resources did not only refer to those found within the land itself. Demon materials were resources as well.
Demons' bodies and heart cores were both exceptional materials.
They could not only aid the devils' cultivation, but also be sold to other worlds for profit.
Greater Devils led their forces one after another as they pushed into the Abyss.
Devils were united. If one of their settlements came under attack, the other settlements would come to its aid.
Demons, on the other hand, were disunited and rife with internal strife.
When they saw demons under attack, they would even stand at a distance and watch the show.
As for the fourth-rank Greater Demons, fifth-rank Demon Lords, and even sixth-rank Demon Lords—
At this moment, they had no intention of dealing with the devils' encroachment along the outskirts either.
For these powerful demons were either recovering from their injuries or trying to seize more authority.
The two sixth-rank Demon Lords were frantically devouring the resources within their territories.
Warehouse after warehouse belonging to merchants was directly consumed by them to restore their injuries.
They needed to fully recover in the shortest possible time, then seize the authority of the Abyssal Overlord that Hachiwote had left behind.
Nearly every fifth-rank Demon Lord had sustained severe injuries. There was no need to even mention the fourth-rank Greater Demons—almost half had died, while the rest had only barely escaped with their lives.
At a time like this, they had no mind to spare for the borders.
Thus, this was