The next instant, Old Ancestor Hongjun hastily swung his sword and met the attack.
Clang!!
The two swords collided violently, unleashing a string of piercing metallic clashes. A terrifying shock wave immediately swept outward.
In an instant, it pulverized the surrounding rocks.
Whoosh!!
With a sharp whistle through the air, Lu Feng poured more force into the Immortal Slaying Sword and thrust viciously at Old Ancestor Hongjun's chest.
Swish!!
Lu Feng appeared beside Old Ancestor Hongjun once again and raised the Immortal Slaying Sword. Another whistle cut through the air as the blade stabbed toward Old Ancestor Hongjun's chest. Sensing the tremendous power carried by the sword, Old Ancestor Hongjun's heart lurched. He hastily pulled back his sword, which had already been knocked aside, and dodged to the side.
Squelch!!
The Immortal Slaying Sword pierced Old Ancestor Hongjun's shoulder, but it did not pass through his body.
Lu Feng's expression shifted slightly. He hurriedly withdrew his sword and retreated several steps, putting distance between himself and Old Ancestor Hongjun.
Boom!!
A thunderous blast suddenly descended from the sky, and the whole world instantly dimmed.
Lu Feng's expression immediately grew grave, and he hastily turned to look into the distance.
Masses of black mist emerged from empty space and rapidly spread, soon blotting out the sky.
"What a strange aura. What the hell are these things?"
Lu Feng could not help frowning as he muttered to himself.
This strange aura.
It was his first time encountering it, and the black mist seemed to have a will of its own as it rapidly expanded. The eerie sight put Lu Feng on his guard.
This aura.
He had never seen it before, either.
He had heard that certain demons and followers of wicked paths possessed such an aura.
But he had never given