Having sorted out how he would get around, Isaac returned to Thundercliff, ready to pass through the Abyssal Gate and travel to the other abysses.
Notably, the allied forces actually had information on his elder brother Caesar!
He had thought he would have to search for him himself.
At first, Isaac wondered why they had not given it to him sooner. But after reading their intelligence, he immediately understood. It really did have something to do with succubi, damn it!
Succubi were one of the Abyss's native demons, though that was not quite the same as the Primal Demon Isaac needed for his mission. The latter referred to demons that had advanced to the sixth tier without turning an abyssal layer into a Divine Realm. They had developed and elevated the essence of their demonic life to its utmost limits, and were exceptionally rare even among demons!
They were much like the Balor Flame Demon Isaac possessed, but harder to come by. After all, Isaac had seized his Balor Flame Demon from the Demon Wizard, and it was the result of that fellow's modifications through witchcraft. Although it was still a Primal Demon, it was not the sort of specimen the allied forces needed.
Notably, although these Primal Demons were extremely rare and advancing was tremendously difficult for them, their combat strength was rather ordinary. In the Abyss, only demons with no other options would attempt to take this path.
For that reason, the allied forces had not set him any specific target. Any Primal Demon would do.
Native demons such as succubi, on the other hand, were demons indigenous to the Abyss. After all, the Abyss had invaded countless worlds and used fel energy to corrupt many other varieties into demons, such as Abyssal Minotaurs, or those two parasitic