If it were a different time, Liu Feng would be very willing to go to any of the civilizations to see the glory of the civilization back then. It was just that now was not the time, because he knew that the reason why he was able to smoothly travel through time and space this time was entirely due to the help of the Taishang Laojun's control divine formation. Once he was curious and came to a certain civilization era, he would definitely not be able to come back with his personal strength, and he would truly disappear into the long river of history.

Then, he wanted to make a guess again. Since the demigod-level powerful men could conduct space-time legends, have many powerful men from the mythological era really disappeared? If not, which era did they travel to?

He was full of thoughts, but he was still moving through the long river of time quickly.

I don’t know how long it took, nor how many civilizations have been experiencing in the long river of history.

Finally, a fairy light lit up ahead, the aura of fairy tale boiled, and a very familiar feeling came to my face. It was the era of fairy tale!

Liu Feng almost didn't think about it, and quickly jumped towards the shining light!

And the light shining also brought an extremely huge force, sucking him in!

The next moment, all the time froze, and he came to Yoona again, as if he had never left.

"Brother, brother, are you? Are you awake?"

As soon as he opened his eyes, Liu Feng saw Yoon's delicate face as if it was raining.

"Be good Yun'er, brother is fine." Liu Feng touched her hair and comforted her.

"It's been ten days, my brother doesn't move, doesn't breathe, and can't even feel his soul. He scares Yoona to death." Yoona wipes her tears and chokes.

"Ten days? Where did the Xingsu Sea go?" Ten days should be enough for the Xingsu Sea to turn over this mysterious palace.

"Go to other levels." Yoona's answer surprised Liu Feng slightly. This mysterious palace was much larger than expected.

"Let's go and look for it to see if there is any gain." Liu Feng said.

Yuna wiped her tears and whispered: "These days, Yuna used her magical power to speculate that there were three places that were a bit unusual. Brother, should we go and take a look?"

"Oh? If so, then you will naturally have to look for it." Liu Feng immediately agreed. He still knew Yoona's talent in perception, and she was definitely much more sensitive than him.

Two ores were found in the first two places, namely the Iron of the Mother and the Iron of the Mother and the Nine-Bright Light Gold.

These are two kinds of god-level materials, which are almost impossible to appear in the fairy world. However, this kind of thing is extremely precious and cannot be obtained by the immortal emperor, and few people know it.

Liu Feng naturally did not recognize it, but Yuner recognized the origin of these two ores based on the memory of the gods' inheritance.

The Mother and Child Iron can be blessed with magic weapons and improve the quality of magic weapons. The Nine-Yang Light Gold can enhance the strength of the body. If any immortal emperor can obtain such a divine material, his cultivation will probably immediately stand out and surpass other immortal emperors.

From the outside, these two magical crafts looked extremely ordinary. It was precisely because they were not noticed by Xingsuhai and were not taken away.

"There is also the last place where the treasure is hidden. Judging from its breath, it is probably a weapon." The closer the distance, the more sensitive Yoona's senses are, and an accurate analysis is made at this moment.

"We will first refine and absorb these two divine materials. We will be more confident when we enhance our strength. Otherwise, when the Xingsu Sea appears, there may be troubles. Moreover, his dead opponent, Demon Vine, may also appear at any time." Although Liu Feng may not be able to save his life under the Immortal Emperor, he needs to take care of Yun'er's safety.

"But brother, these two divine materials must be refined with complete divine techniques, otherwise they will not be successful at all." Yuna said the difficulty.

Indeed, this is the characteristic of the divine material. It must be refined with complete magic techniques before it can be purified and eliminated impurities.

Although Yuner has mastered a large number of magical techniques, because of her cultivation, she will naturally be incomplete because of her cultivation level. The magical techniques used to refine them will lose a considerable amount of medicine. This is definitely a pity.

"It's okay, let me refine it." Liu Feng smiled slightly.

He remembered the Mingkong Art taught him by the Emperor Taishang. Although the Mingkong Art is just a useless magic technique and has no great use, it is indeed a complete version of the magic technique. It is used to refine these two magic materials, which naturally complement each other.

He did it as soon as he said, and soon, Liu Feng used the magic technique to refine the alphabet god iron into Yoona's golden scepter, greatly improving the quality of the scepter.

Before, the scepter used by Yuner was obtained when she killed the clone of the Rakshasa Immortal Emperor. It was just a magic weapon of quasi-emperor level. In the past, it was still more than enough to deal with people like the half-step Immortal Emperor, or even the Immortal Lord with lower cultivation. However, as time goes by, the cultivation level increases, the enemies you encounter become stronger and stronger. The quality of this scepter is a bit insufficient. If you use the divine technique, the higher the quality of the scepter, the greater the power of the divine technique you cast.

This time, Liu Feng completely refined the iron of the mother and son into the scepter, directly turning the scepter into a semi-finished artifact. Although it is a magic weapon without the law of the gods and even the laws of the emperor are incomplete, it is enough to compete with the imperial-level magic weapon. After all, the quality of the iron of the mother and son is here.

Of course, Liu Feng gave Yuna the most critical part of the God-Shizi engraving seal to complete. After all, only in this way can Yuna control this magic weapon freely without any deviation.

In the next two days, Liu Feng used the Mingkong Art to refine the Nine-Bright Light Gold into liquid. Half of them were used to strengthen and repair the infinite golden body, making his body strength comparable to that of the Immortal Emperor. The other half was originally planned to be given to Yun'er to strengthen his body.

But girls love beauty after all, for fear that after strengthening, they will become a muscular woman. They will not use it completely, and in the end, only one-third was used. The remaining part was used by Liu Feng to strengthen some of the powerful souls in the Night Walk of the Hundred Ghosts.

These souls usually have no major effect, but if they encounter group battles, they can be released as thugs.

After this refining, the overall strength of Yuner and Liu Feng has been greatly improved. Although they are still at the quasi-emperor level, their combat power is not inferior to that of the Immortal Emperor.

However, refining two divine materials in succession also consumes a huge amount of soul power. Liu Feng did not immediately look for the last treasure, but instead first adjusted his breathing cross-legged in the place.

"Hehe, the two friends' gains seem to be quite small." Xingsuhai's voice resounded, and a ripple appeared in the space in front, and Xingsuhai walked out of it.

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