Qin Xu had initially thought it was a slightly better spell.
Until his head was about to explode.
He understood that this spell was no less powerful than the other spells he had mastered.
"That's why I felt so uncomfortable when I first accepted the Primordial Devouring Heaven Technique."
Qin Xu felt streams of information being poured into him.
At the same time, a strange aura emanated from his body.
This is an aura he developed after mastering the Nine Revolutions Demon Slayer Technique.
[The Nine Revolutions Demon Slayer Technique initiation was successful!]
[Nine Revolutions Demon-Slaying Technique: Devours the blood and cultivation of the opponent, temporarily enhancing one's own strength. When cultivated to its peak, it can devour an Immortal Emperor and slay a Demon Emperor in a single move! (This spell is even more effective against those with demon god bloodlines.)]
A pleasant system voice sounded.
Qin Xu was startled as he looked at the system's introduction.
Demon God Bloodline...
The monsters of this era actually carry, to varying degrees, a trace of demonic blood.
Legend has it that in the primordial era, three thousand demon gods stood tall between heaven and earth, ruling over three thousand worlds.
However, with the passing of one era after another...
There is no longer any being that truly possesses the pure bloodline of a demon god.
Even a being like the Demon Lord only possesses a slightly purer Demon God bloodline.
"This spell is similar in principle to the Primordial Devouring Heaven Technique."
"It's also a matter of devouring."
"But the Primordial Devouring Heaven Technique is a cultivation method, while the Nine Revolutions Demon Slayer Technique is more like an explosive spell."
Qin Xu muttered to himself.
He sighed inwardly, regretting that he didn't have a single movement technique.
If he had agility, he might have a chance to survive in this crisis.
At this moment, Qin Xu waved his right hand, and a layer of light appeared in front of him.
The light screen can display all the scenes outside.
The Endless Sword Box landed on the body of a high-ranking demon king.
This high-ranking demon king, carrying the Endless Sword Box, is flying towards the deepest part of the Northern Region.
Once he takes the Endless Sword Box to the deepest part of the Northern Region.
It seems Qin Xu will never have the chance to go out again.
After all, there isn't much energy inside the Endless Sword Box.
Unless it involves absorbing the energy of countless immortal swords.
However, after being devoured and transformed through the fifth level of the Primordial Devouring Heaven Technique, very little of the energy from these immortal swords can actually be converted into usable energy.
The fifth level of the Primordial Devouring Heaven Technique.
Ultimately, it's just that the level is too low.
"The only possibility is using the Qi Transformation Dragon Technique."
Qin Xu sighed inwardly.
Unless he stays here for several years.
When he possesses the fortune of a chosen one.
After leaving, he used the Qi Transformation Dragon Technique to kill the Demon Lord.
Then, taking advantage of the opportunity, they fled to Jubei City.
In that case, there might be a glimmer of hope.
However, several years is simply too long.
"etc!"
"There's still one chance!"
Qin Xu saw figures on the light screen.
Ultimately, his gaze settled on his father.
He hoped it would come from his Celestial King father.
Because only if his Celestial King father unleashes even greater power will he have a chance to survive.
"Is the Nine Revolutions Demon-Slaying Technique capable of allowing him to defeat the Demon Lord?"
"Or perhaps, while suppressing the Demon Lord, we could also kill other peak-level Demon Kings?"
Qin Xu wanted to give it a try.
He possessed the Mysterious Heart Transmission Technique, which allowed him to immediately pass on the Nine Revolutions Demon Slayer Technique to his father.
He was even able to instantly transmit his insights into the Nine Revolutions Demon Slayer Technique to his Immortal King father.
"Let's risk it. If we keep thinking about it, the Endless Sword Box might end up being taken to the deepest part of the cave."
Qin Xu opened the Endless Sword Box directly.
The next moment, countless immortal swords poured out, like strings of dazzling stars, bombarding the high-level demon king who held the Endless Sword Box.
Not only that.
Qin Xu even used the Primordial Devouring Heaven Technique to frantically devour the opponent's energy.
One after another, bolts of purple lightning struck the opponent.
Caught off guard, the high-ranking demon king was sent flying over a hundred meters, his massive body covered in sword wounds, blood gushing out uncontrollably, making him look terrifying.
"Father!"
"I will pass on a spell to you."
"Use this spell to save me!"
Qin Xu ignored the high-level demon king and took the opportunity to send a telepathic message to Qin Tianlong.
He transmitted the contents of the Nine Revolutions Demon Slayer Technique to his father, and at the same time used the Profound Heart Spirit Crossing Technique to share his understanding of the Nine Revolutions Demon Slayer Technique with his father.
"Boy, how dare you show your face!"
"Looks like you want to die even faster!"
The high-level demon king steadied itself, let out a low roar at Qin Xu, and then flew towards him at top speed.
However, just as its sharp claws were about to strike Qin Xu...
Qin Xu opened the Endless Sword Box and went straight inside.
Clang!
Sparks flew everywhere.
A piece of the high-ranking demon king's claw broke off, causing it to roar and howl in pain.
"Damn it! Damn it!"
This is a Nine Netherworld Demon Lion, possessing a wisp of the Nine Netherworld Demon God's bloodline, and is a well-known genius among the demon race.
At this moment, it was being toyed with by a mere human.
The Nine Netherworld Demon Lion was furious, and it pounded on the Endless Sword Box.
However, the Endless Sword Box was too sturdy.
It was made of some unknown material, yet even attacks from high-level demon kings failed to leave a single scratch or mark on it.
"Heh, just a last-ditch effort."
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