Although the last time he was attacked by the Yao brothers with a medium-grade spirit stone, he was almost killed, but Yin Ning, who only had ten days to prepare, couldn't take care of it so much, and decided to take the risk of using the medium-grade spirit stone again to exchange it for an excellent defensive treasure for himself, so that he could survive the extremely dangerous trip to Tianfeng Plain.

Yin Ning opened the storage bag on his waist, poured out all the remaining two or three thousand lower-grade spirit stones, and then selected fifty of the most ordinary spirit stones with the four attributes of wood, water, fire and earth from them, and prepared to use the black crystal skeleton to upgrade these low-grade spirit stones to medium-grade spirit stones.

After the last lesson, he already knew the price comparison between the middle-grade spirit stone and the low-grade spirit stone, and realized that the metallic medium-grade spirit stone was precious, Yin Ning did not choose to improve the medium-grade spirit stone, but only planned to improve the other four attribute spirit stones, anyway, the price comparison between the middle-grade spirit stone of the four attributes of wood, water, fire and earth and the low-grade spirit stone was also as high as 600 to one, and fifty middle-grade spirit stones with the attributes of wood, water, fire and earth were worth at least 30,000 lower-grade spirit stones, which was completely enough for Yin Ning to buy a good defensive treasure.

Although the black crystal skeleton can give birth to a pure white cloud that can make the lower grade spirit stone upgrade to a medium grade spirit stone, it needs the support of the spiritual power in Yin Ning's body, according to the current cultivation of the sixth layer of Yin Ning's qi refining, it can only maintain the pure white cloud to improve four medium-grade spirit stones at a time, and then it will take more than half a day to restore the mana to the black crystal skeleton before re-injecting spiritual power into the black crystal skeleton to release pure white white clouds, which is quite time-consuming and labor-intensive.

Yin Ning estimated that he would upgrade all fifty low-grade spirit stones to medium-grade spirit stones, and it would take at least five days, in that case, it would take him less than three days to go to Fang City to select powerful defensive objects and travel far to Tianfeng Yuan, although he could use the teleportation array to the Tianfeng Yuan in the north, but Yin Ning still felt that time was pressing, so he didn't dare to do anything lazy, and he worked day and night to improve the medium-grade spirit stones.

Looking at the success of the promotion of the pieces of medium-grade spirit stones, Yin Ning was not only happy in his heart, but also the anxiety in his heart became more and more intense, and he smiled bitterly in his heart: "With such a large amount of medium-grade spirit stones, it is not possible to attract people's attention." ”

Although he knew that there were many hidden dangers, for the sake of the open vein grass that was related to the success or failure of his foundation, Yin Ning couldn't manage it so much, so he had to take a risk.

Although he had already made up his mind to ignore the Open Vein Grass, and even did not hesitate to use the medium-grade spirit stone, he might expose his biggest secret, but Yin Ning had been thinking about the way to break the situation in his heart, anyway, to let the lower-grade spirit stone be promoted to a medium-grade spirit stone, only the mana in Yin Ning's body was involved, and there was no need to use his brain, so he could use his mind to think about how to minimize the risk.

I don't know if Yin Ning is too smart, or if he is really blessed by God, on the third day when Yin Ning buried his head in the pure white clouds released by the black crystal skeleton to promote the lower grade spirit stone to the middle grade spirit stone, he finally had a flash of inspiration, and thought of a way that really minimized the risk, and it may be risk-free.

"Since this miraculous pure white cloud can improve the quality of the spirit stone, can the quality of the spirit material also be improved? You must know that even if it is a spirit material of the same level, but the quality of the medium grade is at least ten times more expensive than the lower grade, and a sixth-layer Qi refining monk like me who has no background background must make people suspicious and attract prying eyes if he holds a large number of medium-grade spirit stones to trade. ”

"But if it's a piece of spiritual material to trade, it's much more normal, others will only think that I have taken shit luck and got this piece of spiritual material from an unknown place, even if this piece of spiritual material is of high quality, it will not be too eye-catching. ”

"But the question is, this pure white cloud, can it improve the quality of the spirit material, it should be possible, the spirit stone and the spirit material are both things conceived by heaven and earth, if you insist on being divided, it should be able to be divided into one category, since this pure white cloud can improve the quality of the spirit stone, then why can't the quality of the spirit material also be improved?"

Yin Ning, who was sitting on the futon, held his chin in his hand, looking at the pure white clouds floating in the air, wrapped in a low-grade spirit stone, and the sadness on his face gradually disappeared, but the smile became stronger and stronger.

Yin Ning, who thought of a good way to avoid danger, immediately stopped the thankless move of upgrading the lower-grade spirit stone to the middle-grade spirit stone, and immediately cleaned up briefly, and then went out and flew to several nearby Zongneifang cities in the clouds.

If you want to find spiritual materials, of course, it is best to go to Diyan Peak, where the sellers who have spiritual materials also gather because of the gathering of refiners, but Diyan Peak is too far away from Kuzhu Peak where Yin Ning is located, and it will take at least ten days and a half to go back and forth, and Yin Ning, who has less than five days to prepare, will go, and there is also an enemy Chen Yuyan who has sent people to hunt down and kill Yin Ning on Diyan Peak, and now although Yin Ning is not afraid of the second ancestor, he will not ask for trouble, and he will appear under Chen Yuxian's nose alive, causing this young master of the Chen family to go crazy again, and then hire someone to hunt him down and kill him, causing trouble for himself。

Therefore, Yin Ning can only go to those few Fang markets not far from Kuzhu Peak to look for it and see if he can find suitable spiritual materials, although generally speaking, most of the outer disciples who are lucky enough to get spiritual materials will take the spiritual materials to Diyan Peak and other refiners can gather to sell them at a high price, but there are also some who don't know the details, such as those new disciples who have just started and lack experience, they will stupidly take the spiritual materials they got from the shit and sell them to those black-hearted Fang Market buyers.

Yin Ning was extremely lucky, after visiting several markets, he had no hope after finding nothing, but in the last market, he really met a new disciple who was lucky enough to get a piece of first-order spiritual material, but he didn't understand anything, and he stupidly wanted to sell the spiritual material in his hand to a black-hearted buyer.

Yin Ning, who happened to enter the shop, immediately stopped this transaction, and then used a thousand high-grade spirit stones and several high-grade magic weapons to buy the fist-sized first-order lower-grade spiritual material Zhu Yan Stone from the overjoyed outer disciple, and then walked away with a smile on his face under the eyes of the shopkeeper who was eager to kill him.

As soon as Yin Ning returned to his humble room and hid in the practice room, he began to prepare to improve the quality of the Zhu Yan Stone in his hand.

"This Zhu Yan Stone is an excellent fire attribute refining material, which can greatly increase the power of the fire attribute spirit weapon, although it is only a first-order spirit material, but in terms of refining effect, it must be stronger than the blood stone that I sold to Zhu Cai before that can only enhance the sharpness of the spirit weapon, if it can really improve its quality to the middle grade, it must be able to sell a large price no less than the blood stone, and it must be able to exchange it for a powerful defense treasure for me." ”

Yin Ning muttered expectantly while stroking the round vermilion spar in his hand, and then immediately threw the vermilion stone into the pure white clouds that had already been cast.

As soon as the vermilion spar fell into the pure white clouds, it was tightly wrapped by the pure white clouds, like a pure white cocoon, the surface of the fluorescent light flickered, and there was a subtle vibration sound like the heart rhythm, which seemed to be re-pregnant with something.

After Yin Ning saw that as he expected, the wonderful pure white clouds could really improve the quality of spiritual materials like improving the quality of spirit stones, the last hanging heart in his heart was also put down, and he sat on the futon with an extremely relaxed face, watching the pure white clouds that were wrapping Zhu Yanshi, quietly waiting for the end of the quality improvement.

Yin Ning didn't wait long, but after a stick of incense, the bottom of the pure white cloud cocoon, which had become extremely pale in color, suddenly automatically cracked a big hole, and Zhu Yanshi fell to the ground with a clanging sound.

Yin Ning hurriedly picked it up, took it in his hand and observed it carefully, looking at the new Vermilion Flame Stone that was more red than the original, and there were a lot of flame patterns generated inside, Yin Ning's face smiled more and more, and finally he was overjoyed and said: "Very good, it has really reached the medium-grade quality, and the price has at least ten times increased compared to the original, which is enough for me to buy a powerful defense treasure." ”

Yin Ning, who only had two days left, knew that time would not wait for me, and after receiving the Zhu Yan Stone that had been promoted to a first-order mid-grade spiritual material, he simply cleaned it up, and after collecting all the precious and useful things in his humble room, Yin Ning immediately went out, drove the clouds away from Kuzhu Peak, and flew towards Tingyunfang City, the place where he had already thought of buying defensive treasures.

Tingyunfang City is the first Xiuzhen family in Zhaoyou Country known as the Ziyoushan merchant opened, the scale is huge, the cultivation of goods is abundant, it is said that there has been an auction of magic weapons, it is the most well-known Xiuzhenfang City in the Tibetan House Mountains, can be called the first.

Tingyun Valley, where Tingyunfang City is located, is located on the edge of the central area, not far from Zhuyang Mountain, where Wu Lin lives, Yin Ning plans to fly to Zhuyang Mountain as soon as he buys his favorite defensive treasure in Tingyunfang City, meet those people, and then go to Tianfeng Yuan together.

Moreover, Yin Ning consciously wanted to exchange for good defensive treasures, so he had to go to Dafang City, which was really famous and had sufficient supply. Therefore, after careful consideration, Yin Ning decided to swagger through the market, take the rare first-order middle-grade Zhu Yan Stone, and go to Tingyun Dafang City to show off.

Yin Ning, who was in a hurry, flew sleepless for a day and night, and finally arrived at Tingyun Valley, where Tingyunfang City was located, at dawn the next day.

Yin Ning, who stepped on Qingyun's body in mid-air, really saw the whole picture of the entire Tingyunfang City as the morning sun rose, and immediately opened his mouth, his face full of surprise.

Although Yin Ning already knew that Tingyunfang City was very big before he came, when he saw it with his own eyes, the real Tingyunfang City was still several times larger than he imagined.

"This isn't a fang city anymore, this should be a city, much bigger than any mortal capital. ”

After Yin Ning looked into the distance, he silently estimated the terrifying area of Tingyunfang City, which was located in Tingyun Valley, took a deep breath, and said with great emotion.