The sky collapsed and the earth cracked.
Qin Tianlong is struggling to withstand the demons' offensive.
One after another, demon kings, in coordination with the demon lord, launched a terrible attack on him.
"It seems I need to look for an opportunity to see if I can kill some demon kings."
"At least I can't die in vain."
A hint of madness shone in Qin Tianlong's eyes.
The immortal blade in his hand continuously unleashed streaks of sword energy.
Some high-ranking demon kings were directly blasted away.
With the strength of the high-level demon kings, it would be very difficult for them to withstand Qin Tianlong's attack.
However, taking advantage of this opportunity, the Demon Lord came up behind Qin Tianlong and threw a punch, sending Qin Tianlong flying dozens of meters.
Blood trickled from the corner of Qin Tianlong's mouth.
Without the Demon Lord, he alone could have slaughtered the entire demon race.
"The most important factor is the environment."
"The dense demonic energy everywhere prevents me from unleashing my full power."
Qin Tianlong's eyes were cold as he stared intently at the Demon Lord.
Don't look at me like that.
"If you had the assistance of other Celestial Kings, I might worry that you would resort to a suicidal move."
"But now we just need to slowly wear you down."
Even if you want to die with me, I won't give you the chance.
The Demon Lord kept his distance from Qin Tianlong.
Sometimes they would unleash demonic spells, and other times they would take advantage of Qin Tianlong's openings while attacking others to deliver a punch or a kick.
It will continue to consume resources for a long time.
The Demon Lord believed that Qin Tianlong would definitely not be able to hold on.
Qin Tianlong felt a sense of despair.
But he did not give up; instead, he attacked the demon kings around him even more frantically.
"Heavenly Dragon Immortal King, we've arrived!"
Suddenly, a fleet of spirit ships sped towards them.
Dozens of human immortal kings rushed out from the spirit ship.
A terrifying aura swept outwards.
"You're back?"
Qin Tianlong was stunned for a moment, and when he saw Qin Xu, his expression changed drastically: "Xu'er, why did you come back?"
Qin Xu smiled slightly, and his small body flew into the air.
“Father, I am your son, so naturally I need to fight alongside you.”
"Although there are many demon kings."
"However, most demon kings are at the initial stage of immortal king level."
"You guys hold off those above the initial Immortal King level, and leave the initial Immortal Kings to me."
Qin Xu gave Qin Tianlong a wink.
It was as if telling Qin Tianlong to hurry up and go over there.
At this moment, the surrounding demon kings were all stunned.
Qin Tianlong reacted quickly, broke through the encirclement, and arrived at Qin Xu's side in an instant.
"Surround them and do not allow any human cultivators to leave this place."
"And that child must be killed!"
"No matter the cost, we must not let him live!"
The Demon Lord's eyes flashed with rage.
He never expected that these human immortal kings would dare to return here.
"Xu'er, you're being foolish."
"Actually, you don't need to come back. As long as those Celestial Kings come to help me, I have a great chance of surviving."
Qin Tianlong was very puzzled.
They are currently deep in the Northern Region, and although they will certainly be at a disadvantage when fighting against the demon army.
However, the Demon Lord will be wary of his madness and will certainly not dare to push him too hard.
But Qin Xu's appearance changed everything.
The Demon Lord said that he would kill Qin Xu at all costs.
Therefore, Qin Xu's appearance made the Demon Lord lose all his worries, as if he would rather lose most of the Demon Clan than not keep Qin Xu here.
"Uh, Father, you should have told me sooner."
Qin Xu scratched his head with his chubby little hands.
He overlooked that point.
However, they had no chance of escaping.
Countless monsters surrounded them.
Moreover, the Demon Lord activated a series of large formations located deep within the Northern Region.
Countless large formations unleashed dazzling light.
Now, it's almost impossible for them to escape.
"Father."
"It's alright, I brought you something good."
"You can use it to deal with the Demon Lord."
Qin Xu took out the Demon-Slaying Blade.
A blood-red demonic blade appeared.
A terrifying aura of malevolence surged into the sky!
"This is the Demon-Slaying Blade. As long as you hold it, you will not be affected by demonic energy."
"Not only that, but when you use it to attack monsters, the damage they suffer will be even more terrible."
Qin Xu, with his small body dragging the large demonic sword, came to Qin Tianlong's shoulder.
"A demon-slaying sword?"
Qin Tianlong took the Demon-Slaying Blade, and the next moment he felt an extremely terrifying aura emanating from it.
Is this... an imperial artifact?
wrong!
Above the Imperial Weapon?
Qin Tianlong swallowed hard; this was a true divine weapon.
Even his own immortal sword couldn't compare to this demon-slaying sword.
Qin Tianlong had a premonition that even with his peak Immortal King cultivation, he wouldn't be able to unleash the full power of this Demon-Slaying Blade.
"Father, you must help me hold off some peak Immortal Kings as much as possible."
"I want to test my abilities."
"And part of the reason I will come back is that if I kill a low-level Immortal King, my strength will likely increase again."
Qin Xu said in a low voice.
He did not mention the mission.
After all, even if Qin Tianlong were to reveal the details about the system, he probably wouldn't believe it.
"Slaying a low-level demon king will increase your strength?"
Qin Tianlong was stunned for a moment.
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