"This passage bears traces of formations and mechanisms."
Gazing at the sliver of light that had suddenly appeared in the distance, Liu Yu narrowed his eyes as the thought flashed through his mind.
In these unfamiliar surroundings, his divine sense naturally remained alert to everything around him.
But when he tried to extend it through the source of the light to inspect the scene beyond, an invisible force blocked it from advancing.
The walls on either side also seemed covered by formation power. His divine sense sank into them as though into a mire, revealing little.
The others paused in midflight and turned toward the sudden light source, evidently encountering the same obstacle.
"Fellow Daoist Ancient City, what should we do now?"
"Should we keep going, or think of another way?"
Liao Yunxi's voice came from behind. She had been watching for movement at the rear of the group.
"We know nothing about the situation inside the immortal prison."
"If we want to rescue our fellow cultivators of the Purple Turban Army, our only option now is to press forward and brave whatever lies ahead."
"Let's see what sort of 'grand gift' the prison guards have prepared!"
In just a breath or two, Liu Yu swiftly made his decision and spoke in a low voice.
Time was pressing. They could not afford to search slowly for a safe route; forcing their way through was their only choice.
Though neither timing nor terrain favored him, Liu Yu was not particularly worried.
After all, Black Mountain Immortal Prison primarily held cultivators at the Golden Core stage and below. Its mechanisms and traps were mainly designed to deal with Golden Core cultivators.
His true strength already stood at the very pinnacle of the Golden Core realm. As an apex predator, he naturally had