This trip to the palace was a little inexplicable, Xia Yi went to the front of Emperor Shang and wandered around, said a few words, got angry, and came back after sitting for a few minutes.

Sitting in the carriage, he carefully recalled the whole process, and finally made Xia Yi a little angry.

"Being an emperor is really powerful, if you want to nag, you can let others waste a few hours of time running in front of him, it's really an 'honor'!" Xia Yi gritted his teeth, and was very dissatisfied with Emperor Shang in his heart.

Elder Lian listened to his words, and reminded him helplessly: "Even if you are dissatisfied, you have to hold it in your stomach, you don't know when you will be listened to these words, and use the topic to do something unfavorable to you." ”

Xia Yi understood that Elder Lian was thinking about himself, so he breathed fiercely in his nostrils and nodded his head in thanks.

After returning to the academy, the two went directly to Yang Zhangzhen's office and briefly reported the conversation with Emperor Shang.

"If it's really what you said, you have to keep the secret book, once the news gets out, it's not a good thing for you and for Summer Night. Yang Zhangzhen reminded Xia Yi seriously, but his eyes unabashedly glanced at Lian Lekang next to him.

When Elder Lian saw Yang Zhangzhen's eyes, he immediately jumped to his feet and scolded: "Yang Zhangzhen, what do you mean?

Yang Zhangzhen shook his head very calmly and said: "I don't think you will have a bottom line to that extent, besides, you are now a nine-rank martial artist, facing the threshold of 'martial spirit to one', that cheat book is not of much use to you." I think the Tao Te Ching will help you more. However, if you don't care, it doesn't mean that others won't care, you'd better keep your mouth shut and be careful of being taken out of your mouth. ”

Elder Lian was not happy because Yang Zhang really understood, and was still furious: "I'm not a mouthful person, and besides, I'm not so stupid, I will be tricked out of my words!"

"Whether it is or not, it is determined by time. Yang Zhangzhen sat up straight, showed his attitude, and cut off the topic.

Xia Yi fidgeted beside him, constantly wiping the cold sweat that didn't exist on his forehead. He really obeyed these two, and as soon as they met, they were like fighting cocks, and they couldn't wait to bite off a piece of meat from each other.

......

Time passed day by day, and after Xu Heng and Zong Ying's observation for a week, it was found that the "light belt" in the place of trial still appeared every night, and there was nothing abnormal.

Xia Yi and the three of them are quite excited!

If there can be a first time, why can't there be a second time?

They were eager to experiment and see if that "light belt" could once again help the martial artist break through the realm.

The three of them reunited by the river upstream of the waterfall, this time accompanied by Xu Heng and Zong Yingliu.

At this time, the sky is bright.

The five of them stood on the outside of the "invisible wall", in the woods, looking at the turbulent stream not far away.

"You say, if we keep standing in the position where the 'Invisible Wall' appears, and wait until it gets dark and the 'Invisible Wall' appears, will we be pushed out by the 'Invisible Wall', or will we be cut in half by the 'Invisible Wall'?" Xia Yi was idle and bored, and asked an interesting question.

When the other four heard this, they showed thoughtful expressions at the same time.

"I think it's going to be cut in half!" Zong Ying was the first to answer, still maintaining the habit of the school, and raised his hand to answer.

"What about you?" Xia Yi looked at the others curiously, and when he saw their frowning and contemplative appearances, he couldn't help but smile: "This is not a serious issue like the destruction of the world, you can speak freely, it won't take long for us to be verified, why bother with such a sad face?"

When everyone heard this, they said yes, it's going to be dark soon, and when the time comes, don't you know the answer?

Several people relaxed their minds, and the expressions on their faces were not so serious.

"I also felt like it would be cut in half. Xu Heng said: "According to our previous observations, the 'invisible wall' appeared very quickly, almost the last second has not appeared, in the blink of an eye, and then reach over, you will find that there is already an 'invisible wall' blocking the movement of the hand. ”

"Is it that fast?" Even the elder was a little surprised, although he had known about the vision here for a long time, he really hadn't paid attention to the appearance of the 'invisible wall'.

Xu Heng nodded, looked at Zong Ying beside him, and said to Xia Yi and the others: "Before, Elder Yang ordered us to send people to stay here, and we were idle and bored at that time, so we did some experiments, and we have been verifying the previous conclusions these days, and the results are the same. ”

Yang Zhangzhen nodded with satisfaction, very satisfied with Xu Heng and Zong Ying's abilities.

Xia Yi chased and asked, "What about time?" Has the time when the 'Invisible Wall' appeared changed, did it appear at the same time, or did it appear with a certain pattern?"

Xu Heng and Zong Ying glanced at each other, and both had smiles in their eyes. It seems that Xia Yi is very similar to their thoughts, which makes them feel very happy.

Zong Ying replied with a smile, "After our tests, the 'Invisible Wall' appears with a delay of five minutes every day. However, due to the short duration of the test, it is unclear whether the 'invisible wall' will continue to loop like this or this, or whether it will start to go backwards after reaching a certain point like sunrise and sunset. ”

Xia Yi kept nodding, this is indeed a problem that needs to be considered, if one day accidentally appears in advance, people are not clear, what should I do if I encounter danger?

"So, have you experimented with what will happen to the people or beasts by the river if the 'Invisible Wall' appears, will it be left in the 'Invisible Wall', or will there be another situation?" Xia Yi asked.

"The people inside will not be affected, and they can come out freely, but after they come out, they can only wait until the 'invisible wall' disappears. Xu Heng replied.

"This is also the experiment you have done in the past two days?" Xia Yi was very satisfied with their answers, and couldn't help but give them a thumbs up.

"This is what we found before, and we all thought it was just a vision that didn't affect us, so we didn't care. Xu Heng explained.

Xia Yi looked back at the turbulent river, couldn't help but shake his head and said, "Now it seems that this is not without impact, it's just that we haven't found an impact." ”

Zong Ying had already learned about the last incident from Xia Yi's mouth, and now that he still has palpitations when he thinks about it, if he is an ordinary person, he really doesn't have the courage to use his aura to risk himself.

She looked at Xia Yi: "Are you going to do the experiment yourself this time?"