Extremely pitch-black black mist, gloomy and eerie ghost qi, and bloodthirsty, harrowing blood rays. Several kinds of auras filled the underground space, transforming it into a devil processing plant brimming with evil qi.
At this moment, Xiao Yan followed the stone wall passage, slowly exploring toward this bizarre underground palace. Fortunately, a series of means such as the Lord of Fire Guards and the Ghost Face Soul Flame on Xiao Yan's body allowed him to move across this place as if walking on flat ground.
"Such terrifying defense. I'm afraid this is where Lin Fengya's core elite forces are located." In just a short moment, Xiao Yan had already figured out some things about the underground palace.
With his soul power released and aided by his hard-fought exploration, to put it bluntly, this underground palace was simply a zone filled with countless belly-like caves.
Countless crisscrossing, narrow stone walls seemed to connect to the core of the underground palace, and deep within that palace, auras that made Xiao Yan's hair stand on end were as suffocating as the God of Death.
"The stone walls surrounding these passageways have all been laid with extremely formidable seals. It seems Lin Fengya is trying to conceal something. If my guess is correct, there must be something unspeakable in the underground palace," Xiao Yan could not help speaking as he walked further.
Looking around, the stone walls surrounding the narrow passage vaguely revealed a chilling black qi. The black energy rays resembled long, crawling insects, skillfully shrouding the entire stone wall. Aided by this shrouding black qi, the holy flame and other powers inside Xiao Yan's body automatically formed a protective barrier, shielding him.
"Since I've managed to come here, I might as well go deeper and take a look..." Xiao Yan muttered in