Whispers of the Sealed Abyss

"…So, there was a cave like this."

Vera narrowed his eyes as he cautiously stepped forward. With a light clap of his hands, he listened to the echoes bouncing off the walls, roughly estimating the cavern's size.

If he wanted to explore every nook and cranny, it would take until dawn. But that was fine. Sleep was unnecessary.

For a master of his caliber, skipping a night's rest was trivial. A simple energy Circulation Technique could replenish his energy.

However, what truly worried him was not his lack of rest—it was something far more sinister.

Something had been sealed in this cave.

Not "is," but "was."

Vera instinctively knew that whatever had been imprisoned here had already been released. The Demonic Energy that clung to the walls and floor was merely residual traces.

"…What exactly was locked away here?"

Aside from the obvious conclusion that it was related to The Demonic Sect, he needed more clues.