After buying a lot of lingcao, Chen Yang found an inn to stay, and then calmed down to study how to generate oxygen.

Unconsciously, three days passed.

With the scientific knowledge of the previous life and the records of lingcao in the book of immortal and devil, he finally developed a kind of medicine that can produce oxygen.

The cost of this kind of medicine is very low, but it takes a long time to produce oxygen.

And Chen Yang made a set of equipment, as long as enough materials are put in, the equipment can automatically cycle, generate oxygen, and absorb the waste gas in the Najie.

If you put the device in the Najie, as long as you add materials occasionally, you can get it once and for all.

Looking at the device on the table, he suddenly found that his device was a great invention.

Najie from the original storage space, into a living space.

In the future, not only cannons, but any living things can be put in, even humans.

"If you take this set of equipment out and sell it, it will certainly sell for a lot of money. But the core is still the formula of the medicine, which must not be leaked out. "

Chen Yang didn't plan to make a fortune by medicine either. After he put the equipment into Najie, after a while, when Najie almost had enough oxygen, he said to the cannon, "this time you are not allowed to touch anything in Najie, otherwise, I will eat braised dog meat for the next meal."

Artillery seriously nodded, as if to understand, Chen Yang this just put him into the ring.

Chen Yang's mind moves and looks at the situation in Najie.

In Najie, the cannons looked around and did not look flustered. After walking around in Najie, they sniffed everything. Seeing that there was nothing delicious, he fell on the ground and fell asleep.

"This guy, besides sleeping and eating, what else can he do?"

Chen Yang shook his head, but also speechless to the cannon.

Now the oxygen making equipment is finally successful. Chen Yang doesn't plan to stay in Fengbo City, but plans to continue on his way to the great Xia Dynasty.

However, he had just come down from the inn when someone came up and said, "little brother, please stay."

He looked at the man in front of him. He was a middle-aged man in his forties. He had a national face and deep eyes. He was wearing a coarse cloth and a black shirt and looked like he was in a dusty state.

Chen Yang asked, "what's up, brother?"

Middle aged humanitarian: "my name is Qiu Hongsheng. I met you at the post station 60 miles northwest of the city before."

Chen Yang recalled that there were so many people in the post station at that time, but he didn't pay attention to whether he had seen the person in front of him.

Qiu Hongsheng then said, "don't be nervous, little brother. This time I'm looking for little brother, I want to invite him to join our team and explore a cave."

"Cave?"

Chen Yang raises his eyebrows and looks at Qiu Hongsheng suspiciously.

Qiu Hongsheng made a gesture: "little brother, this way, let's talk about it slowly. What do you mean?"

To the great Xia Dynasty, Chen Yang was not in a hurry, so he and Qiu Hongsheng entered a private room.

In front of the round table, there were four other people besides Qiu Hongsheng.

After sitting down, after Qiu Hongsheng's introduction, Chen Yang knew the identities of the four.

One of them is husband and wife, named Cui Han and Xi Huiyun respectively. The realm is in the later stage of jiedan.

The couple, with smiles on their faces, are very enthusiastic.

Another man, Bai Wei, with a cold face and a sharp sword in his hand, is jiedan's highest cultivation.

He just glanced at Chen Yang and ignored him.

The last one is a middle-aged man in his fifties, named Luokai. He has a simple and honest face, which is also the peak of jiedan. When he is introduced to him, he bows to Chen Yang.

According to Qiu Hongsheng, the four people in the room were all his partners who were temporarily called together to explore the cave.

Chen Yang did not fully believe such a statement.

As for Qiu Hongsheng himself, he is also the peak of jiedan. He has the posture of breaking through the extraordinary realm.

After introducing each other, Chen Yang said to Qiu Hongsheng, "brother Qiu, should you tell me what I can get if I join you?"

Qiu Hongsheng laughed and said, "brother Chen, I've been paying attention to the cave I explored this time for a long time, but I don't have enough strength, otherwise I would have gone by myself."

"In that cave, there are many spiritual grasses. According to my guess, if we harvest all the spirit grass, we can sell hundreds of spirit stones at least. "

"In addition, there are many monsters growing in the cave. They are all in the early and middle stages of jiedan. We have no great difficulty in dealing with them together."

"If you can kill all the monsters and get the demonic pills and materials, it's a real fortune."

Facing Lingshi, Chen Yang doesn't have much desire.

Now he has more than 2000 spirit stones. Although he is not a great rich man, he has enough at this stage.

However, he thought that he would need to consume a lot of Lingshi in the future. Now that he met this opportunity, he planned to promise to do accumulation for the future.He said to Qiu Hongsheng, "OK, I'll go with you."

Hearing the speech, all the people looked happy. Qiu Hongsheng said, "in this case, six of us are enough. It's not too late. Let's start now."

Since it was Qiu Hongsheng who called the meeting, people naturally listened to Qiu Hongsheng's instructions and did not express any objection.

After leaving Fengbo City, Luo Kai looked at Chen Yang's cannon and frowned, "brother Chen, you won't take this dog with you, will you?"

"Oh, you say him."

Chen Yang took a look at the cannons and put them into Najie.

Seeing this scene, Luokai exclaimed: "ah! You've got Najie! And You Najie, can you survive? "

"I put a little thing in Najie, and living things can live in it."

While explaining to Luo Kai, Chen Yang quietly observes the movements of the other four people and finds that they all look calm, not surprised.

In this case, Chen Yang can conclude that these four people must have seen themselves using Najie in the post station before.

As for whether they are a group or not, Chen Yang can't be sure.

However, he didn't pay attention to the other party's several jiedan situations.

Under the leadership of Qiu Hongsheng, the six flew for half a day and entered a mountain range.

On the way to the great Xia Dynasty, Chen Yang had observed that the mountain range was very broad and endless, and there were many monsters and few people.

From this we can see that this mountain must be very dangerous.

"We're going into the mountains?"

Chen Yang asked.

The cold faced Bai Wei said, "do you know that you are going to enter the demon mountain range? Are you afraid now? But it's also true that young people like you, though not in a low level, may not dare to enter the Yaoling mountains. "

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