The black pupil started, perhaps because the material made was not gold and iron, so the weight was very light, but after a while, Feng Yun couldn't help but sigh lightly.

Just look at the black pupils exuding a pitch-black aura that seems to be nothing, this aura is cold and heavy, making the whole knife change, but Feng Yun feels more and more comfortable. He had long been accustomed to heavy knives, and he didn't think about adding other materials to increase the weight of the black pupils when casting them, but doing so would affect the material of the dragon scales themselves, so he had to give up in the end.

Originally, I thought that the mountain would not be for me, but I did not expect that the "mountain" would still be moved by Allah. Feng Yun was overjoyed in his heart, and then tried to swing it a few times, the feeling was very special, as if he was holding a knife into the turbulent river and sea, heavy but not bulky, sharp but not light, and ordinary weapons are not much different.

"Looks like I'm going to have to try my hand at it." Feng Yun said with a smile, and then looked up at the sky. The black pupil's thunder tribulation has not dissipated, but it has gradually reached the point where the tribulation is dissipated at the end of the song, "There is one more, or two tribulation thunders?" It's just right. ”

In the time that Feng Yun had subdued the black pupils, the next and possibly the last thunderbolt had already been brewed in the clouds. Feng Yun could feel it just by breath, this thunder was definitely the strongest one so far, if he continued to fight with the black pupil, as soon as this thunder fell, even if the black pupil was not damaged, the sword spirit would inevitably be severely damaged, or even directly destroyed!

"This thunder wants to destroy your spirit, are you willing?"

As he spoke, Feng Yun showed a smile of battle intent on his face, and then all his power was swept away, and the true yuan and will were immersed in the black pupils at the same time!

"Roar—"

The black pupils that had received Zhenyuan's attention suddenly got rid of the previous depression, and the trembling of the blade body actually made a sword roar like a dragon's roar, as if it was responding to Feng Yun's will. So in an instant, Feng Yun immediately felt another will coming from the knife, intertwined with his battle intent.

As the sword intent and the battle intent climbed together, the breath of one person and one knife became more and more terrifying, thousands of cold rays came out of nowhere, crisscrossing the four fields, first there was a terrible knife roar, and after a while, it was already turned into an unyielding dragon roar, those who saw it were afraid, and those who heard it were frightened!

Feng Yun only felt that he had entered an unprecedented feeling, at this moment, the black pupil seemed to have really become one with him, what he thought was also what the black pupil wanted, and the meaning of the black pupil was also what he tended, this realm should be - the unity of man and sword!

"Zheng—"

The moment Feng Yun opened his eyes, a knife roar pierced the sky, and at the same time, the thunderclouds shrouded in it also exploded!

A terrifying tribulation that was almost a foot thick rained down towards one person and one sword, and the terrifying heavenly power made the entire earth tremble, and the air was filled with the breath of destruction!

"Slash!"

With a roar, the black pupil made a move in an instant! The jet-black sword burst out in an instant, as if a round of pitch-black Xuanyue suddenly appeared from Feng Yun's hand, colliding with the terrifying thunder that came in the blink of an eye!

"Boom-"

In an instant, the sky shook, and it was as if there was an earthquake in the valley, and countless tall buildings shook visibly with the naked eye. A terrible loud noise filled the heavens and the earth, lasting for a long time, not only robbing everyone's sense of hearing, but also shaking their minds.

The thunder did not disperse, and the sword naturally did not collapse, and the confrontation between one white and one black, like a raging heavenly river washing the black moon, such a strange scene was now placed in front of the eyes of all the monks.

"It's not enough, it's not enough! Black Pupil, if you only have this level, how can you accompany me to cut down the real Extermination Tribulation! ”

Feng Yun's face was a little hideous by the thunder light, this was the first time he had faced the thunder tribulation, but it would not be the last, because in the future, he would probably have to face the Liangyi Heavenly Tribulation that was a hundred times more terrifying than this! The Heavenly Tribulation was almost lifeless in the mouth of the Immortal's Laughing Lone Star, so he had to fight for every glimmer of hope to weave a rope of stealing life for himself.

"Roar!"

Hearing the roar of the dragon with black pupils, Feng Yun suddenly laughed: "Hahaha, isn't it enough, then I'll let you have a delicious meal today!" As he spoke, the surging Xuanyin True Yuan in his body immediately surged towards the black pupils like a tide, and the black pupils were also like greedy young dragons, and the comers did not refuse to swallow them completely!

The level of the black pupil must have surpassed that of the Xuan Weapon, so the true yuan consumed is even more massive, and the average out-of-body realm cultivator can't withstand its consumption even if he gets such a treasure knife, and only a big family like Feng Yun who cultivates the Liangyi Xuan Divine Treasure Sutra has not been eaten by the black pupil.

As Xuanyin True Yuan penetrated into the blade of the sword recklessly, the pitch-black aura emanating from the black pupil's body became more and more intense, this taste Feng Yun could be said to be very familiar, and the pure death qi was also mixed with a slight sense of annihilation, just like the moment before life withered!

"Have you eaten enough! When you're full, let me see what you're really capable of! ”

Feng Yun's face was slightly pale, but the smile on his face did not mean to be restrained at all, but his eyes were full of anticipation and excitement, and the realm of the unity of man and knife made him clearly feel the spirit that the black pupil was accumulating, and the moment when the intention was complete was the time when the black pupil showed his true ferocity!

In an instant, Feng Yun suddenly saw a dragon shadow swimming out of the black moon, opening its teeth and dancing its claws, like a soaring abyss!

"It's now!"

At the same time as Feng Yun secretly said in his heart, a deafening dragon roar suddenly erupted, and the entire black moon shattered, and then a black dragon broke out of the moon!

This black dragon was condensed to the extreme, like a real dragon, in the face of the pouring thunder, it did not have the slightest fear, as at the beginning, it climbed against the thunder, the violent thunder not only failed to destroy its body, but instead refined its dragon scales brighter and brighter, and a sense of divine handsomeness gradually appeared from it, even Feng Yun, as the master, couldn't help but be stunned.

Feng Yun, who was linked to the aura of the black pupil, clearly felt at this moment that while bathing in the thunderstorm, the entire sword body of the black pupil was gradually undergoing a qualitative change, this feeling was indescribable to him, just like Yuan Jiao was gradually turning into a real dragon!

In just a moment, the black dragon had already ascended into the thunderclouds against the thunder, and then swam and rolled its body, raging happily in the center of the thunderstorm, and after a while, the power of the thunderstorm was finally completely exhausted. Under the gaze of countless people, the black dragon opened its teeth and claws, roared loudly, and instantly dispersed the gathered thunderclouds, and then looked down on the world fiercely.

"Hah!"

Seeing this scene, Feng Yun couldn't help but chuckle, the black pupils were really fierce, and he had the intention of fighting the heavens and fighting people at the beginning, but at this moment he also saw that the spirit of the black pupils was actually like a young beast, it would be intimidating and afraid, and at this moment, after dispersing the thunder that had bullied it before, it began to show off its power again, and he was like a naughty child.

"Come back when you've had enough."

Feng Yun's voice was not loud, but the body of the black pupil was in his hand, how could he not hear the master's order, so he reluctantly roared twice before slowly floating down from the sky, and then turned invisible when approaching the blade.

Feng Yun raised the black pupil and looked at it for a moment, the previous feeling was not an illusion, different from when the casting was just completed, a strange light appeared on the black pupil knife at this time, the whole body was as smooth as a mirror, and it was even impossible to see that it was carved out of the scales. There was not much change in his breath, but it shocked Feng Yun just as much.

“…… Could this breath be in the midst of thunder? ”

The aura on the knife body is still similar to the black scale body, mainly dragon qi and death qi, mixed with some silent qi, but in addition to this, there is an additional qi, this kind of qi and death qi are also full of aggression, but it is much more tyrannical than the silent dead qi, and it is very similar to the aura that Feng Yun felt when he pushed the thunder earlier!

"The hard work is worth it, this time it is a bumper harvest!"

Although it was very different from what he expected, the series of surprises still made Feng Yun feel a deep sense of satisfaction in his heart, as a refiner, the happiness at this moment was definitely unimaginable to anyone. The only fly in the ointment is that the movement is too big.

Feng Yun stood in the air and looked down, and the entire people in Yuyin Valley seemed to have run out of the house, all of them were looking at him at the moment, and some were even waving to him, Du Huaiyi was one of them.

Seeing this, Feng Yun smiled bitterly and beckoned to Du Huaiyi, signaling that he was fine. But in the eyes of other uninformed people, this action immediately caused a commotion.

"Ahh Senior Brother Feng just waved to me! He saw me! ”

"Senior Brother Feng's treasure knife is actually a black dragon! It's so imposing! If I had such a knife, I wouldn't have to shoot it myself in the future, and when the enemy came, I would swing a black dragon directly, and that scene would ......"

"You just dream, give you a chance and you can subdue that black dragon? I don't think you waited for you to go into battle to kill the enemy, and the black dragon ate you first! ”

……

For a while, the valley was very lively, after experiencing the fiasco of the Gen Domain War, it had not been such a scene for a long time, and today it was considered to have cleared the twilight in the valley.

Feng Yun was not very able to cope with such a scene, so he smiled awkwardly and then fell towards the refining hall, only hoping that there would not be too many people over there.

As soon as they fell, Feng Yun saw the two of them.

"Master, Nangong senior."

There were ghost old men and Nangong Hongfei there, and the others naturally didn't dare to lean over this way, and some people who had planned to come over to congratulate had to leave regretfully when they saw this, which made Feng Yun breathe a sigh of relief.

The ghost old man naturally wouldn't be polite to his apprentice, so he immediately said, "Hurry up and let the teacher take a look!" "Don't forget that he is also a refiner, although his body no longer supports him to continue as a refiner grandmaster, but the heart of a refiner has never changed.

Feng Yun didn't say much, and waved his knife in front of him to let the ghost old man and Nangong Hongfei look at him.

Looking at the pitch-black and smooth blade, the ghost old man immediately felt an unusual aura from it, and then couldn't help but reach out and want to touch it. However, the black pupil is not an ordinary dead thing, it has a spirit, and it is also a very fierce dragon spirit! Seeing that the ghost old man reached out to touch it, he immediately sent out a knife aura and slashed at the ghost old man's wooden hand.

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