"The Demon Lord's strength can be greatly amplified in the deepest part of the Northern Region."

"Even if my father received the Nine Revolutions Demon Slayer Technique from me, it would be difficult for him to defeat the Demon Lord in the deepest part of the Northern Region. He might even be worn down to death by the Demon Lord in cooperation with other Demon Kings."

Qin Xu took a deep breath.

He looked at the Nine Netherworld Demon Lion outside.

At this moment, the other high-level and mid-level demon kings were dealing with the human immortal king in the distance.

Only the Nine Netherworld Demon Lion, a high-ranking demon king, was nearby.

Qin Xu knew he had to fight with his life on the line.

We must at least delay as much time as possible.

As long as he can hold out until his father arrives, he has a chance to live.

"Ten thousand swords come from the east to annihilate the heavens!"

Qin Xu opened the sword box again and flew outside. He made hand seals to control the endless sword box, and in an instant, countless immortal swords struck the Nine Nether Earth Demon Lion at extremely fast speed.

The Nine Netherworld Demon Lion was knocked away again.

However, it quickly regained its balance.

"Hmph, you dare to come out!"

A terrifying demonic aura erupted from the Nine Netherworld Demon Lion, along with wisps of blood energy.

It lunged at Qin Xu, its sharp claws slicing through the void, creating cracks in the air.

"I possess a sword that can slay gods and demons."

Qin Xu unleashed the Tai Xu Sword Intent, making him seem to merge with tens of thousands of immortal swords.

The individual immortal swords in mid-air merged into a giant longsword, slashing towards the Nine Netherworld Demon Lion.

Boom!

The giant longsword clashed violently with the claws of the Nine Netherworld Demon Lion.

The Nine Netherworld Demon Lion only took one step back.

However, countless immortal swords fell to the ground.

Qin Xu felt a sweet taste in his throat and spat out a mouthful of blood.

This is a backlash.

He lost this time.

He used the Void Sword Intent and the Endless Sword Box, along with the blessing of the Supreme Sword Bone, but he still almost couldn't withstand a single claw from the Nine Netherworld Demon Lion.

This is the power of a high-ranking demon king.

Even a casual swipe of his claw was enough to make Qin Xu feel utterly powerless.

"Nine Netherworld Demon Lion, don't get entangled with him. If you can't kill him, then severely injure him as soon as possible and take him to the deepest part of the Northern Region!" the Demon Lord roared.

At this moment, he could only barely hold on under Qin Tianlong's onslaught.

Moreover, he sensed that Qin Tianlong's aura was becoming increasingly terrifying, and he knew that he couldn't hold on for long.

Fortunately, there were still two peak-level demon kings remaining around, who could occasionally harass Qin Tianlong, preventing him from defeating the demon lord too quickly.

"It seems I'll have to deal with you first before I can deal with the Demon Lord."

Qin Tianlong looked at the Divine Fire Fox and the Heavenly Profound Ink Dragon.

The Divine Fire Fox continuously released clusters of black demonic fire.

These black demonic flames scorched the void, causing space itself to appear distorted.

Hundreds of demonic flames simultaneously bombarded Qin Tianlong.

This forced Qin Tianlong to stop attacking the Demon Lord and deal with the attack from the Divine Fire Fox.

If he were to physically withstand this attack, he would likely suffer some injuries.

"Fire Fox, you're asking for death."

"If I cannot kill the Demon Lord, can I not kill you?"

Qin Tianlong's aura was overwhelming; he was like an invincible war god as he charged towards the Divine Fire Fox.

The Fire Fox's expression changed slightly, and she tried to hide behind the Demon Lord.

However, just as she was about to go over, Qin Tianlong blocked her way.

The Demon Lord and the Heavenly Profound Ink Dragon also knew that things were not going well.

They could only use their own spells to bombard Qin Tianlong again and again.

"Hmph, I can easily block your attacks."

"But you can't withstand my attacks."

Qin Tianlong swept his sword horizontally, and a beam of light with thousands of blades streaked across the sky, neutralizing the spells of the Demon Lord and the Heavenly Profound Ink Dragon.

Then, he moved above the Divine Fire Fox and changed his attack from slashing to stabbing.

The Divine Fire Fox, its spirit rising, quickly condensed layers of fiery shields in an attempt to block Qin Tianlong's attack.

At this moment, Qin Tianlong was far too powerful.

"No!"

"Please, please let me go!"

"I can let you pass, and I won't attack you anymore!"

The Divine Fire Fox watched as the layers of flame shields shattered one by one.

She kept begging for mercy while trying to escape to a distance.

However, no matter which direction she fled in, Qin Tianlong would always appear in front of her.

"Destroy gods, destroy demons, destroy immortals!"

"The Blade of Three Annihilation!"

Qin Tianlong used a secret technique, combined with the Nine Revolutions Demon Slayer Technique, to pour all his power into the Demon Slayer Blade, unleashing an incomparably powerful strike.

This strike was earth-shattering.

The Fire Fox had no chance to resist.

She could only watch helplessly as the blade's reflection grew larger and larger in her pupils.

By the time she realized what was happening, her entire body had turned into chunks of bloody mud.

At the same time, her soul transformed into a shower of light and vanished.

Rumble!

The sound of thunder echoed continuously.

Dark clouds filled the sky, and suddenly a torrential downpour of blood-red rain began.

The fall of two consecutive peak Immortal Kings.

It was as if heaven and earth themselves were filled with sorrow.

Qin Tianlong absorbed all of the Divine Fire Fox's power, which increased his own power slightly, and also replenished the power he had just consumed.

He turned to look at the Heavenly Profound Ink Dragon and the Demon Lord, and without saying a word, he charged at them.

Once he kills the Heavenly Profound Ink Dragon, he can easily suppress the Demon Lord, thus preventing the Demon Lord from stopping him from rescuing his son.

"puff!"

On the other side, Qin Xu tried to use his physical strength to withstand the attack of the Nine Netherworld Demon Lion.

However, his fist collided with the opponent's claws.

The next moment, his fist turned to dust, and he was sent flying.

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