"How could this happen?"
In midair, the many Demon Kings were completely dumbfounded. They had been watching this slaughter as though enjoying a show, believing it to be a one-sided battle and a topic for idle conversation after tea and meals.
But what had just happened? In the blink of an eye, more than a dozen powerful Demon Kings had been wiped out, blasted apart by a single punch from the human before them, their bodies shattered into pulp.
"Powerful—far too powerful."
"He killed more than a dozen of our companions with one punch. That level of strength has to be at least that of a titled Demon King."
"Damn it, how could such a powerful human expert appear in a place like this?"
"He must be an outsider. He can't be a native of Azure Sea World."
"How could this be? This world was sealed away by the master long ago. It should be impossible for outsiders to invade. How exactly did this human enter this place?"
The many Demon Kings were panicking. They had never encountered anything like this before.
In their eyes, this had merely been an ordinary mission. They had not taken the suddenly appearing human seriously at all, believing they could kill him with a wave of their hands. Yet now, they had kicked an iron plate.
"Run! Run now! Immediately return and report to the master that an enemy has invaded Azure Sea World. Have reinforcements come and surround him for the kill!" The lion-faced, human-bodied leader sent a divine-sense message and immediately retreated.
The situation had become extremely complicated. Azure Sea World had actually been invaded by a human. Someone had broken through the master's sealed formation—an unprecedented event.
They had to find out what was going on. They could not stubbornly battle