Within the void, the six Weird Immortal Kings roared again and again, their faces filled with disbelief and shock.
When this battle had begun, they had not taken the Immortal King before them seriously, believing they could suppress him in an instant.
But they soon changed their minds. The Immortal King before them was far more powerful than they had expected.
Still, they were only somewhat surprised. They held the upper hand, and as long as they spent a little more time, they could still suppress him.
What reassured them somewhat was that the Supreme Being had not acted, so they still had a chance to escape alive.
However, what happened next gradually exceeded their expectations, and shock began to appear in every one of their eyes.
During his battle with them, that Immortal King actually grew stronger the longer he fought, his strength increasing at an inconceivable rate.
They had looked down upon the ages and existed for countless years. What sort of prodigy had they not seen? What incredible thing had they not known of?
Yet they truly could not comprehend such an unbelievable rate of progress. It was simply unprecedented and unheard of.
They had originally held the upper hand, but gradually could only fight on even terms. Later, they were even being suppressed.
Just as they were filled with uncertainty, a terrifying aura suddenly erupted from the Immortal King before them, causing all their expressions to change drastically.
"Impossible! He absolutely cannot break through! How could such a person possibly exist in this world?" a Weird Immortal King roared.
That terrifying aura was like raging waves, making them instantly realize that the Immortal King before them was about to break through!
But how could that be possible?
That Immortal King had merely been battling them. At