Blood Fiend Demon Eye.
It was one of the ninety-nine supreme divine abilities possessed by the Holy Demon Sect.
Even back when the Holy Demon Sect still existed, only the sect's prodigies who had cultivated the Heavenly Demon True Body Manifestation, or Eternal Giants at the Human Immortal Realm or above, had been qualified to cultivate it.
In other words.
Anyone who wanted to learn this divine ability had to be a core member of the Holy Demon Sect.
Back then, the Five Great Sects, the Celestial Immortal Family, and numerous other immortal cultivation forces had joined hands to hold the Demon-Slaying Assembly, wiping out the Holy Demon Sect in one fell swoop.
Very few had survived.
Even those members of the Holy Demon Sect who had been scattered elsewhere could no longer amount to much.
Even a supreme figure at the Heavenly Immortal Realm like the Ten Thousand Gu Demon Patriarch had been hunted all the way into the Dark Starfield, where he ultimately died and his Dao perished.
Since this man could use the Blood Fiend Demon Eye, he was very likely a surviving "remnant" of the Holy Demon Sect.
But as soon as Lin Fei asked that question, he regretted it a little.
The Holy Demon Sect was now notorious, tolerated by none of the world's immortal cultivation forces.
If this man really was a remnant of the Holy Demon Sect, he would never let Lin Fei leave, lest his whereabouts be exposed.
Sure enough.
The other man's expression instantly turned icy.
A chill spread through the great hall, and the space throughout the palace seemed to freeze solid.
The two maidservants trembled in terror and fell to their knees.
Even with the Seven-Treasure God-Suppressing Tower shielding him, Lin Fei could not help shivering.
"Junior, what did