The Abyss was one of the few open otherworlds in the Federation Universe, and one of only two that had not fallen into becoming battlefields!
The first open otherworld in the Federation Universe was the Immortal Palace. The reason was that the Celestial God Alliance had personally intervened to protect it, forcibly stopping outsiders from spying on it. There were many reasons for this. Aside from the essential resources the Celestial Gods needed being found in the Immortal Palace, the Fairy Clan there possessed extremely powerful prophetic abilities that could help the Federation avoid the risk of many major losses.
The Abyss was the second open otherworld. However, the reason it had not become a battlefield was not the protection of the Celestial Gods, but that no faction had the power to monopolize it as a battlefield—not even the current Ten Great Lords.
Yes, the reason was simply that this otherworld was powerful enough!
The creatures of the Abyss were collectively known by outsiders as demons. In the language of the Federation, it was a title that represented strength and danger.
The Abyss had a total of seven layers, each one vast beyond measure. It was the otherworld with the most abundant resources discovered to date, and also the strongest world of indigenous inhabitants. Although no faction had dared openly provoke it after it became open to the public, many lone-wolf mercenaries had still treated it as a place to strike it rich.
Lone wolves entered the Abyss to strike it rich, while the demons of the Abyss had also gained Federation citizenship and could go to the Cosmic Federation to work, do business, and even marry and have children.
On the surface, the two sides seemed to get along quite well, but in reality, that was not the case.