According to Li Changsheng's thoughts, his seven-star ring needs to be upgraded by all seven diamonds for the second time before it can be activated for the third round, so that his seven-star ring can be advanced to a level suitable for the late stage of qi cultivation again.

I didn't expect that a single diamond could be upgraded, but I don't know if the overall energy of the Seven Star Ring will increase after such a single diamond upgrade?

Of course, all these questions need to be studied slowly, and it would be nice if Professor Shen was still here.

Now that Professor Shen is gone, Li Changsheng has decided to study alone, there is still a long way to cultivate immortals in the future, he must not develop the habit of dependence, he must rely on himself for everything.

Moreover, it turns out that when a single diamond is upgraded, the overall energy of the Seven Star Ring will also increase, but only by a small amount.

"Senior, how did you sell that rotten iron?" Li Changsheng suppressed the excitement in his heart and asked casually to a bearded man who was in the early stage of foundation building on the edge of the stall.

"What is rotten iron? Don't ask if you don't understand, my Xuanwu shield is mixed with iron essence, although it is broken, but it is also a mid-level magic weapon, and it is also a defensive magic weapon, twelve spirit stones, and it is not sold if it is missing. "The bearded man who contacted him looked down on Li Changsheng's cultivation very much, and a poor student at the sixth level of the Qi cultivation period still wanted to buy a mid-level defensive magic weapon, which was really wishful thinking.

"It's a bit expensive, after all, it's not a brand-new mid-level magic weapon. Li Changsheng smacked his lips to express dissatisfaction, this is the basic action of bargaining.

"Brand new mid-level defensive magic weapon?hehe, classmate, if my Xuanwu shield is brand new, less than one hundred and twenty spirit stones, don't you think about it, if you don't buy it, go shopping elsewhere." "Contact the beard blowing the beard and glaring, if it weren't for the school market, it is estimated that Li Changsheng would have been slaughtered.

"Look at your rotten iron, it's all dusty on the surface, it's just unsellable garbage, let's talk about an honest price. Li Changsheng was worried about the garbage treasures, and he actually said it casually.

"Get out. If Lao Tzu hadn't been in a hurry to exchange the spirit stone for the spirit pill, he would have been reluctant to sell this Xuanwu shield, do you know how many times this Xuanwu shield has saved Lao Tzu's life?"

"In exchange for the elixir, did the seniors encounter the bottleneck of advancement?" Li Changsheng's mana naturally couldn't see through the specific cultivation of the contact beard, but compared with his teacher in the early stage of foundation building, he guessed that this contact beard was in the early stage of foundation building.

"The peak bottleneck in the early stage of foundation building? hehe, that's still early, our foundation building period is not like your Qi training period, you can casually encounter bottlenecks and advances, what Lao Tzu needs is Kaizhi Dan, do you have Kaizhi Dan?"

"Is this what you are talking about?" Li Changsheng felt out a wisdom pill with a painful face.

"What are you? No, no, the only few remaining Kaizhi Pills in the world are in the hands of the predecessors of the Yudan Period, and you are definitely not Kaizhi Dan. Contact's bearded eyes lit up, obviously looking closely, and even exerting his divine sense to inspect it.

"I don't know if this is the Kaizhi Pill, but my master said that this is specially for spirit beasts, as long as the master's cultivation is higher than that of spirit beasts, there is no need to worry about spirit beasts backlashing. Li Changsheng guessed that the contact beard should not be taken by himself, and then thought of what Professor Shen had said, so he began to test him.

"It looks a bit like Kaizhi Dan, but Kaizhi Dan all appear in pairs, what do you mean by taking one out?" Contacting Beard obviously also knows some of the legends of Kaizhi Dan.

"My master has already said that the Kaizhi Pill that can be handed down is all defective products, and the genuine products have long been used up by the ancient monks, and even if there is only Kaizhi Dan, as long as your cultivation far exceeds your spirit beast, you don't have to worry that your spirit beast will rebel and betray you. Li Changsheng mixed up the private goods he understood and began to brainwash the contact beard.

"It seems that what you said makes sense, but the spiritual power of this elixir of yours is obviously insufficient, and it is impossible for my evil monkey who has cultivated to reach the late stage of Qi cultivation to open his spiritual wisdom with just one elixir. "It's a pity to contact the beard, after all, he exchanged for the spirit stone to buy a Kaizhi Pill, if he can exchange it directly, then he can save a lot.

"Who told you that I only have one Kaizhi Pill?" Li Changsheng smiled and took out another Kaizhi pill.

"Well, if you have two spirit pills, judging from the strength of the spiritual power they emit, they are barely enough, okay, deal. "Contacting the beard is also an urgent one, and he wants to make a deal directly.

"Hehe, I only have these two Kaizhi Pills, and I have exchanged them all for you, how can I exchange them for other necessities?" Li Changsheng obviously made up his mind.

"Hmph. It's extremely cunning at a young age, don't think that I have to exchange with you, as long as I sell this Xuanwu Shield, I can buy the authentic Kaizhi Pill, these two defective products of yours, let's go to another house to sell them. Contact's beard smirked, obviously not eating his set.

Li Changsheng sighed in his heart, it is not a good man or a woman who can build a foundation and succeed, looking at his sinister smile, if it were not for the school market, it is estimated that he would definitely pinch him to death, and then come to a big search, this is the legendary murder and treasure grabbing.

"That rotten iron, and that broken bell, and this broken book......" Li Changsheng quickly began to point, until the contact beard yelled.

"Enough, a teenager who doesn't know how to advance or retreat won't live long. When Li Changsheng took three items and began to shoot at a small purple box again, Liaison Beard couldn't help but roar.

"Well, the lesson of the predecessors is that let's just trade like this. Li Changsheng suddenly became no longer greedy, and directly agreed to the deal.

"It's pretty much the same, my name is Hou Zhanshan, from the Hidden Door Monkey Sect, if you can build a successful foundation in this life, you can go to the Hidden Gate Monkey Sect to find me, hahaha, Lao Tzu is leaving." The liaison beard rolled up his big sleeves, and the treasures on the stalls on the ground ran away as if in a gust of wind.

Of course, this is because there is a very strong ban on air over the school, and no one dares to perform flying skills at will in the school.

Li Changsheng was stunned with the three incomplete treasures, this rough contact bearded Hou Zhanshan left a deep impression on him, there is such a rough way of living in the world, today can be regarded as seeing it.

Li Changsheng walked around for a while, and all he saw were low-level things that were not eye-catching, so he lost interest in continuing to shop, so he went back to the dormitory directly.