Under everyone's horrified gaze, the Blood River Sword light suddenly surged up. Without the slightest hesitation, it slashed at Flame Liu Imperial Son.
Compared to this sword light, Flame Liu Imperial Son was like an ant.
However—
Clang!
Just as the towering Blood River Sword light was about to cleave Flame Liu Imperial Son in two and devour all his essence blood into ashes, it stopped. It struck a suddenly appearing fiery-red light screen, scattering sparks.
The Blood River Sword light recoiled as though struck by lightning, suffering a severe blow in an instant.
What was more, that fiery light had not attacked at all. The force of the rebound alone had shattered the sword light of an Invincible King.
That fiery-red light screen was exceedingly thin, no thicker than a hair. Threads of scarlet flame flowed across it, accompanied by Chaos Qi. Unknown power lay within it, instantly making it extraordinary.
"...Quasi-Imperial-grade formation array..."
Jiang Ding slightly closed his eyes, gripping the Blood River Sword tightly as it trembled without cease in terror.
With a single strike, it had already suffered severe damage!
That fiery-red light screen had not even attacked!
Nor did the formation array's light contain any rebounding spell. It was simply like an ordinary mortal's wooden sword striking an iron ingot and being injured by the shock.
Within the Immortal Sect, this sort of formation array had another name: a Quasi-Sixth-grade Formation Array!
Such formation arrays were basically the strongest arrays that could be laid within a Minor World. Stronger arrays had to involve the starry sky, composite formation arrays spanning multiple Minor Worlds. A single Minor World simply could not supply power to a Sixth-grade Formation Array; even if one were set up, it could not display its might.
The most obvious characteristic of a