Ghost Slayer immediately looked aggrieved.
"Lord Gui Teng, I swear, I truly followed your orders and kept an eye on that human. I didn't even blink once, yet that guy actually vanished into thin air."
"There was nothing I could do."
"Vanished into thin air?"
A flicker of astonishment appeared on Lord Gui Teng's face as he looked into the air, then scanned the surroundings.
Abruptly—
A mass of black light erupted from his body, rolling out in all directions like a black tide.
That power was terrifying beyond measure.
Even Dao Embryo Realm experts from the White Emperor Family outside would likely be greatly alarmed if they came here.
This fellow was absolutely a powerhouse.
With the same Dao Embryo Realm cultivation, he was undoubtedly a peak existence among Dao Embryo Realm cultivators.
Yet Lord Gui Teng swiftly drew back the black tide.
At that moment, he too looked completely baffled.
He had actually failed to find Li Yun. Forget finding him—he could not even sense the slightest trace of his aura.
"It seems that human has truly mastered an exceptionally mysterious stealth technique. Otherwise, he has already gone far away from here and hidden himself."
"Forget it. Don't worry about him for now."
"We're short on time. Move out at once, to the east of the White Emperor Inner City..."
"Yes!"
Very soon, Lord Gui Teng led that group of Ghost Race experts under his command toward the eastern side of the White Emperor Inner City in a grand procession, stirring up a cloud of black mist.
Before long, they vanished from sight.
Yet just before disappearing, Lord Gui Teng still turned his head and glanced behind him.
Clearly, he had intended to double back and catch Li Yun's aura.
Unfortunately, he had miscalculated again.
He saw nothing