The abnormality in the lock spirit box did not give him much of a sense of crisis. Although he knew that he seemed to be involved in a conspiracy, Chu Dasanren was bold after all, and he didn't care about those potential threats at all.

He finally took out the Tianxin Fruit, and he was even more interested in the original Lock Spirit Box, and the fact was indeed as he thought, there were still some mysteries inside the Lock Spirit Box.

Affected by the power of the Heavenly Heart Fruit before, Chu He couldn't really see the internal structure of the lock spirit box, but now there is finally no problem.

It turned out that at the bottom of the inside of the lock spirit box, that is, where the Heavenly Heart Fruit was placed, a dragon-shaped pattern was also carved with spiritual power. Chu He could clearly feel that there was still a lot of Heavenly Heart Fruit power left on this pattern.

Of course, this was not a mistake when Chu He took out the Heavenly Heart Fruit, but the power of the pattern itself, forcibly leaving a part of the power of the Heavenly Heart Fruit.

A hint of realization flashed in Chu He's eyes, and he directly used the true yuan to sketch in mid-air, trying to draw that dragon-shaped pattern, but the result was ...... Failed.

This pattern looked clear and clear, but when Chu He went to paint it himself, he found that this pattern was difficult to imagine alone, as if there was some kind of force blocking his visualization.

This is not the first time that this kind of thing has happened, in fact, every refiner will inevitably encounter this situation when they come into contact with a new magic weapon.

With the exception of the lowest-level magic weapons, the power of almost any kind of magic weapon is not only provided by the material itself. The so-called refining technique is essentially to engrave the formation onto the magic weapon.

As a half-hung refiner, Chu He actually still has a little advantage. Because the exercises he is practicing have to visualize a pattern, which gives him a lot of experience in this area.

So Chu He led the Heavenly Heart Fruit from his homemade double-layer box to the authentic Lock Spirit Box again, completely sealed it as if it had never been opened, and then repeated the dragon-shaped pattern again and again.

Time passed little by little, and Chu He was completely immersed in the sketching of the dragon-shaped pattern, until his cheap apprentice Cao Jie came and knocked on the door.

"Master, have you come out of the customs......

Chu He frowned, he felt that he was about to touch the core of the dragon-shaped pattern, and he was about to completely break this prohibition. However, listening to Cao Jie's voice, he was quite eager, and Chu He had no choice but to put this pattern first.

He got up and opened the door and asked casually, "What's the matter?"

However, when Chu He said it, he realized that Cao Jie was not the only one standing in front of him, there was also a tall girl standing beside him, who was the one who practiced sword with him by the Mirror Lake at the beginning.

If Chu He remembers correctly, this girl seems to be called Cao Fang.

"I met your requirements yesterday!" Cao Jie said with a complaining look, "At that time, I saw that you were in retreat, so I didn't dare to come and disturb ......"

"Oh, then how dare you today?" Chu He didn't mean to praise him, but asked along with his words.

"This ......" Chu He still has the majesty of the division commander in the end, Cao Jie suddenly stood up, and had to look at Cao Fang next to him with a plea for help.

Cao Fang was looking at Chu He with a curious expression at this time. She had just met Cao Jie at the door of the inn, and she had been wandering around the city since she had made up her mind to come out to find Cao Jie a few days ago.

I have to say that Cao Fang is quite a smart person. She expected that it was impossible for Cao Jie to live in the wilderness, so she had to inquire about one inn and one inn, and finally the emperor lived up to his wishes and let her meet Cao Jie here.

But it was also her luck, if she came a day earlier, Cao Jie was still in retreat, and she couldn't ask anything.

The Cao family has been busy with Cao Jie's affairs for several days, and Cao Fang naturally wanted to take him back this time, but Cao Jie said that he would ask his master first.

Cao Fang was taken aback by Cao Jie, the "master" who suddenly appeared, and hurriedly asked about the origin of the other party, but Cao Jie himself couldn't say why, so there was this scene where the two of them came to knock on Chu Hemen together.

Seeing Cao Jie looking at him at this time, Cao Fang stepped forward generously and said: "Don't hide it from my seniors, Cao Jie is my Cao family's descendant, he disappeared for a few days and did not return, which really worries the elders in the family, and I hope that the seniors will allow Cao Jie to go home and report his safety." ”

Although I don't really agree with Cao Jie as a master in my heart, Cao Fang is from a big family after all, and he is not rude, but he puts Chu He in the position of an elder, so that people can't find fault.

Chu He still had most of his mind on his dragon-shaped pattern now, and he didn't bother to think about anything at all, so he said directly: "It's okay, Cao Jie, you can go home first, and come back tomorrow for me to check your cultivation progress." ”

"Yes, Master......" Cao Jie nodded subconsciously, and then wondered, "Master, won't you go back with us?"

"I still have something to do, if I haven't been out tomorrow...... You'll come back the day after tomorrow. Chu He thought about it, and finally decided to postpone this date indefinitely, and closed the door after speaking, leaving only Cao Jie and Cao Fang looking at each other.

Or Cao Fang reacted first, pulled Cao Jie's sleeve and said, "Let's go, what are you still doing in a daze?"

"Oh, oh......" Cao Jie was still a little confused, and said to himself, "Obviously, the master said that he wanted to go back with me before, why has he changed his mind now?"

Hearing this, Cao Fang's eyes rolled slightly, and he couldn't help but smile: "In my opinion, your master is probably afraid of revealing his stuffing......

"What nonsense are you talking about!" Cao Jie raised his voice sharply and stared at Cao Fang angrily.

Of course, he knew what Cao Fang meant, but in fact, at the earliest, he himself didn't dare to guarantee that his master was not a liar. But after seeing Bigu Dan and cultivating that mental method, Cao Jie no longer had such thoughts.

What liar can take out Bigu Dan so casually? And what liar can come up with such a powerful mental method?

After only three days of cultivation, Cao Jie obviously felt that he was a little stronger than before, and he faintly felt that this mental method seemed to be related to the sword, and his understanding of the way of the sword was a little deeper.

"You...... Why are you so loud!" Cao Fang looked at Cao Jie in astonishment, and only said indignantly after a while, "People are kind enough to come out to find you, are you treating me like this?"

"That's not what I meant......" Cao Jie was really angry when he first spoke, but he regretted it as soon as he said it, and then he didn't know how to remedy it, so he had to say, "Don't say it here, let's go home first!"

While speaking, he came up and took Cao Fang's hand and walked out of the inn, apologizing and swearing along the way, and finally calmed Cao Fang's feelings.