The huge amount of spiritual power sank into the sword, just like a stone sinking into the sea, causing very limited waves.

Looking at this, Liu Yu secretly breathed a sigh of relief, finally not losing control.

The spiritual power in countless magic circles is continuously gathered into the central magic circle, and then poured into the holy fire sword from the central magic circle.

Accompanied by bursts of loud sword sounds and dazzling orange-red spiritual light, the Holy Fire Sword endured it safely.

This situation lasted for six hours.

…

…

Six hours later, the spiritual power transmitted by countless magic circles decreased sharply, and the orange-red spiritual light that illuminated the entire space gradually weakened.

"The refining of the spirit treasure should have failed, right?"

Liu Yu watched the whole process and made a guess in his mind.

The holy fire sword in front of me, which is as high as a mountain, exudes terrifying fluctuations and contains power that is enough to make you turn into ashes.

However, there is one biggest shortcoming.

Liu Yu could not feel any spirituality from the Holy Fire Sword. It was still essentially a dead object and did not exceed the category of a magic weapon.

He was not surprised by this result.

The birth process of every spiritual treasure cannot be copied, and even the master of weapon refining cannot understand it.

The Heavenly Fire Lord of the Holy Fire Sect was unable to successfully refine it while he was alive, and it was even less possible after his death.

"Boom!!!"

A series of roars sounded from the floating island fragments in all directions, interrupting Liu Yu's thoughts.

He turned his head and looked in all directions, a trace of horror flashing in his eyes.

"Rumble"

On the fragments of the floating island, cracks appeared, and pieces of sand fell into the magma lake.

The magic circle that was concealed within it gradually emerged in its entirety.

It was a circle of countless circles, forming a perfect closed circle as a whole. Many runes inside formed a pattern similar to a five-pointed star, exuding a soft orange-red spiritual light.

According to the size of the floating island fragments, the size of the magic circle is also different, but the different structures are similar in appearance, obviously related to each other.

"Buzz buzz"

The mountain-like Holy Fire Sword trembled suddenly, emitting an extremely sharp sword cry, and an invisible wave spread out in all directions.

Liu Yu turned her head and saw an amazing scene.

As if receiving some kind of instruction, countless magic circles shuddered and separated from the carrier floating island fragments.

Turning reality into emptiness, it turned into a five-pointed star rune, and the spiritual light shone towards the Holy Fire Sword and gathered together one after another.

It is round on the outside and a five-pointed star-like array on the inside, emitting an orange-red spiritual light.

For a time, this kind of runes were overwhelming, being used from all directions towards the central floating island.

"Buzz~!"

The Holy Fire Sword vibrated at a slight frequency, constantly making loud but not harsh sword sounds.

After half a breath, the overwhelming wave of runes approached, with no intention of stopping, and came into close contact with the sword.

"Zizi~"

The red rune pattern came into contact with the flawless silver sword body, making a small collision sound at the energy level.

Then, the red runes were imprinted on the silver sword, and then quickly disappeared, and no mutual confrontation occurred as imagined.

"Is that so?!"

"It's so clever. Lord Tianhuo's calculation is so clever."

"Sure enough, none of the old monsters in the Nascent Soul stage are simple."

Looking at the holy fire sword that kept making sword sounds, Liu Yu shook his head slightly and sighed secretly in his heart.

Originally, it was impossible for the Holy Fire Sword to be imprinted into the rune array in its basically formed state.

There is also a big difference in the atmosphere between the two.

However, after receiving the huge spiritual energy infusion from countless magic circles, the two became equal in terms of breath in a short period of time, and the confrontation was reduced to a minimum.

It has to be said that Lord Skyfire's design is indeed very clever, link after link.

From Liu Yu's point of view, even if he saw it with his own eyes, he could only understand this point.

As for the deeper principle, I can't understand it.

Like moths rushing to the flame, countless red runes came one after another, imprinted on the surface of the silver sword body, and then disappeared again.

This process was very fast, but because there were so many red rune arrays, it lasted for more than six hours.

…

As the red rune array continues to be imprinted, the size of the Holy Fire Sword gradually shrinks.

The power fluctuations emitted by this sword are, on the contrary, getting bigger and bigger, and the aura becomes more and more terrifying.

Six hours later.

The Holy Fire Sword has shrunk to the size of three feet, and the power fluctuations emitted by the sword have reached an unprecedented level.

According to Liu Yu's estimation, it has surpassed the "Yunlong Claw" several times, and is definitely the top special magic weapon.

This kind of power is obviously not comparable to that of a newly refined magic weapon, and even surpasses the real treasure that Yuanying monks have cultivated for many years.

It is somewhat similar to the "ancient treasure" refined by ancient monks.

"etc."

"Could it be that Lord Tianhuo got the inspiration from the ancient treasure and came up with the idea of ​​refining the spiritual treasure?"

"In this case, it makes sense that it is similar to the rumored ancient treasure."

This thought flashed through Liu Yu's mind.

He originally thought that the refining of the Lingbao had failed, but he did not expect that True Lord Tianhuo had a back-up plan.

This made Liu Yu feel a little curious. Will it succeed in the end?

With this thought in mind, he continued to watch intently.

"buzz"

Shrunk to the size of three feet, the red rune arrays that emerged from the fragments of the floating island had all disappeared, but the sound of swords still did not stop.

"Boom~"

Suddenly, the floating island in the center beneath everyone's feet shook violently.

The elliptical formation of about ten feet, the dazzling spiritual light flashed away, and slowly floated off the ground.

Floating towards the Holy Fire Sword, the sword was wrapped in it, and then the entire magic circle was slowly shrinking.

During the process, the sword continued to scream, and various runes continued to appear on the silver-white sword, which seemed to be somewhat repelled by the final central array.

But this repulsive force was not strong, and the central magic circle gradually shrank to three feet, and was gradually imprinted on the sword.

As the mark deepened, the spiritual light of the magic circle gradually dimmed, and finally disappeared completely, disappearing into the sword body.

"buzz"

As the last magic circle disappeared, the sound of swords suddenly became so loud that Liu Yu and others had to temporarily seal their ears to avoid hearing damage.

The Holy Fire Sword kept shaking, and countless runes appeared in every corner of the sword body and hilt, and then quickly disappeared.

As the runes appeared and disappeared, the sword's shaking and sword cry became louder and louder.

"not good!"

"Quickly retreat!"

Sensing that the holy sword was showing signs of instability, Tang Tianbao greeted him and quickly retreated backwards.

However, Liu Yu moved faster and had already retreated when he sensed something was wrong.

By the time Tang Tianbao reacted, he had already retreated to the edge of the floating island, looking at the Holy Fire Sword shaking in the air from a distance.

"Buzz~!"

Under Liu Yu's gaze, the shaking of the sword continued to intensify, with no intention of stopping.

In the spiritual sense, the power contained in the Holy Fire Sword is becoming more and more powerful, and the signs of instability are becoming more obvious.

The silver-white sword body and the orange-red aura flashed one after another, the frequency became faster and faster, and gradually floated upward.

A kind of terrifying fluctuation emanated from the Holy Fire Sword, making the people who observed it feel trembling in their hearts.

Feeling the vast power on it and the signs of increasing instability, Liu Yu quietly retreated a dozen floating island fragments for the sake of his own safety.
To be continued...