Many people knew that in the first level of the demon Abyss, there was a group of monsters that no one wanted to provoke. No one knew where these monsters came from. Some people said that they had existed since the birth of the universe, some people said that they were evil gods from some outer realm, but no matter what they were, they were existences that should be completely exiled and restricted.
But the problem was... ... They would not be restricted... ...
