There were no stars here anymore.
After they crossed that invisible boundary, the light around them seemed to have been stripped away by some force.
There were no nebulae, no meteors, not even a trace of void storms.
This was a pocket of true emptiness within the void.
Had a cultivator with a slightly lower cultivation come here, their divine sense would have been useless, and they might well have become utterly lost in this despairing darkness.
But to the twelve people present, this emptiness amounted to little.
Directly ahead lay a pitch-black realm barrier that neither the naked eye nor divine sense could discern.
Si Chen frowned slightly.
He could feel a gaze piercing through that black realm barrier and settling on him.
But the sensation was different from what Ancestor Si Ming had described.
It was not curiosity, but... coldness.
Beside him, the eleven Immortal Emperors, including Lu Yu, Chen Xu, and Ancestor Si Ming, had all reined in their auras, each bracing as though facing a formidable enemy.
Just as Si Chen was about to ask something-
"Humm..."
Without warning, the void ahead violently warped and began to spin.
The black realm barrier suddenly twisted, transforming in the blink of an eye into a bottomless vortex before them.
The Demon Realm, which no one had entered since ancient times, quietly opened its gates to them.
The eleven Immortal Emperors behind him instantly went on guard.
"The realm barrier... opened on its own?!" Yu Han's voice carried unmistakable horror.
Back then, all twelve Immortal Emperors had joined forces and exhausted every possible method, yet failed to tear even a single opening in the Demon Realm's barrier!
And now it had opened by itself?
Si Chen raised his brows, a faint glimmer flashing through his eyes.
"What is this