Three months later.
In an unknown space on the Eighth Layer of the Mystic Realm, a gigantic black, hemispherical fortress appeared on the border between the beach and the coast.
The surface of the black hemispherical fortress was exceptionally smooth, without a single opening.
For the members below to enter or leave the black hemispherical fortress, they first had to verify the password. Only then, under the control of personnel inside, would a door appear on the surface of the Black Fortress and allow outsiders to enter.
The gigantic black hemispherical fortress radiated an aura that stabilized spacetime. Even the Elemental Particles around the structure were affected, their inertia increasing considerably.
The roar of waves crashing against the beach gradually seemed to soften beneath the vibrations constantly released by the black hemispherical structure.
Green hovered silently in the sky, watching everything below. For the past three months, he had made no moves.
But now, as Green looked down at the Black Fortress, his brows furrowed. A troubled expression showed on his face.
Ever since the Five Great Civilizations had discussed the matter and decided to hold a sacrificial ceremony,
the many Top-Tier Lifeforms had deliberated and ultimately decided to build a sealed fortress and conduct the sacrifice inside it.
There were two reasons for this: secrecy and stronger defenses.
There was no need to elaborate on the added protection. The fortress was equipped with an unknown number of weapons and pieces of equipment from the various civilizations. Even an Eighth-Level Lifeform would meet a grim end inside. A fortress like this could effectively counter the dangers that might arise after the sacrifice.
The secrecy, on the other hand, was specifically intended to guard against Green.
The various civilizations had detected traces of Green's energy fluctuations, yet had been unable to