Nu Luo hurriedly accepted the inspection of the stone tablet and passed smoothly through the top layer of the Nai He Bridge. As soon as she reached the other side, she quickly looked back at Chen Xinshen in the Lechuan River.

Perhaps because his physical body was too strong, Chen Xinshen was not slow to swim at first, but as he got closer to the center of the river, his speed became slower and slower. When she arrived at the center of the river, Nu Luo found that Chen Xinyan had maintained a swimming posture and remained motionless. Whether it was shouting at him or waving his hands at him, Chen Xinyan seemed to turn a blind eye and a deaf ear.

"Rest assured, he's fine, just stuck in a state of relative time standstill. Just as Nu Luo was thinking about jumping into the Lechuan River to pull Chen Xin's embers, suddenly a warm voice sounded in her ears.

Nu Luo hurriedly turned around, but saw two young men with similar faces in loose robes standing behind her, and beside them stood Mu Songbai, who had seen earlier.

"......Who are the two seniors?"

"There are five ghost emperors under the Emperor of the Northern Yin Dynasty. Du Ziren, the ghost emperor in the south, ruled Luofu Mountain, Zhao Wenhe and Wang Zhenren, the ghost emperors in the west, ruled the Banner Tomb Mountain, the central ghost emperor Zhou Qi and Ji Kangzhi held the calf mountain, and the ghost emperors in the north were Zhang Heng and Yang Yun, who ruled Luo Yu Mountain. And we are the ghost emperor of the East, governing Taozhi Mountain and Ghost Gate. I am Cai Yulei, this is my brother Shendi, and the rest of the ghost emperors except for us are all cultivated by humans. Don't worry, when it comes to my secrets, you can do your own thing first. Yu Lei smiled and gestured to Shen Di.

Shen Tu nodded, and didn't wait for Nu Luo to object, with a light wave of her hand, Nu Luo seemed to forget that Chen Xinyan was still in the river, and walked directly towards the ghost city of Xudu.

"Songbai, are you sure this is your junior brother?" Yu Lei raised his eyebrows.

"Yes, my junior brother and I were arranged by my second senior brother to come to the ghost city of Xudu. Mu Songbai said respectfully.

"That's good, let's do it, get him up. Lechuan is the magic weapon refined by the Great Emperor, which involves the way of time, and if he stays for a long time, he may have symptoms of time dislocation. Yu Lei patted Shen Di on the shoulder.

"There's no hurry. Shen Di, who had not been smiling, suddenly spoke.

Hearing the words like gold speak, Yu Lei was stunned for a moment, and subconsciously looked at the position of Chen Xinshen in the river, and smiled for a while: "I see, interesting, interesting." ”

After that, Yu Lei and Shen Di stood by and watched.

Mu Songbai saw that neither of them made a move, and couldn't help but say anxiously: "Senior, this is ......"

"Don't worry, your junior brother has entered the Emperor's Lethe magic weapon, and he has actually comprehended the way of time. Speaking of which, your talent is related to time and space, why don't I test you, what is time?" Yu Lei said with a gentle smile.

"Time?my timewalk is currently only a space jump, and it can't change time. So I don't have a very deep understanding of time. Mu Songbai shook his head.

"In that case, go in too. Shen Tu glanced at Mu Songbai, and with a wave of his hand, he rolled up a gust of wind and threw Mu Songbai into the center of the Lechuan River.

Yu Lei didn't have time to stop it, so he looked at Shen Di helplessly and said, "Shen Di, what are you doing...... The gravitational pull is so great that if you are not careful, you will die. ”

"Help her. Shen Tu was expressionless.

=========

In the center of the Lechuan River, since Chen Xinshen swam to the center of the river, the strong gravitational pull was everywhere, making it impossible for him to swim away from the center of the river. After struggling for a while, he gave up his mind of relying solely on brute force to swim away from the Lethe River and sought other methods. In fact, the gravitational pull here had reached an astonishing level, and if it weren't for the spiritual power in his body and the strong physical body, he would have been crushed to the bottom of the river.

The river is extremely heavy and turbid, and it is still at this time. After Chen Xinshen swam to the center of the river, it was as if he had entered another world, and he could no longer see the female dill on the shore just now. The strong gravitational field and the profound quality of the river made Chen Xinyan think of a movie in his mind. According to the general theory of relativity, time is affected by gravity, and the closer you get to the black hole, the larger the gravitational field, and the slower the flow of time. The greater the mass, the greater the gravitational force, and the further you go to the center, the slower the flow of time.

"I don't know how long it's been since the outside world. Chen Xinshen said to himself, different gravitational fields will affect the time ratio between the inside and the outside, maybe one day here, one year outside, or one day here, 10,000 years outside.

Just as Chen Xinyan was talking to himself, suddenly a black shadow flashed in front of him, and fell into the water with a thud.

"Hey, senior sister, why are you here?" Chen Xinyan found out that the person who came turned out to be Mu Songbai.

"Hiss~ Leng Leng Cold! Great, Ember you're really fine. ”

"I'm fine, Senior Sister, this Lechuan River contains the way of time, which is just right for you to understand!" Chen Xinyan said excitedly.

Hearing this, Mu Songbai said speechlessly: "You think the same as the two seniors outside, since this is the case, you can quickly tell me about your specific feelings." ”

"Okay, just now I saw that the river is extremely heavy and the gravitational force is abnormally large, so I thought of it......" Chen Xinshen smiled slightly, and was about to open his mouth to explain, but found that suddenly the picture in front of him changed, Mu Songbai had long disappeared, and the still river beside him resumed flowing. Chen Xinshen looked up, but saw that Nu Luo had long since disappeared, and there were two young men with similar faces standing on the opposite bank, one of whom beckoned to him with a warm smile on his face.

"Come on, since you have an understanding, don't help your senior sister cheat, let her understand better. Yu Lei opened his mouth and smiled.

Chen Xinyan knew that this should be the two seniors that Mu Songbai had said before, so he didn't suspect that he was there, and swam directly towards the two.

"We are one of the five ghost emperors under the command of the Great Emperor of the Northern Yin Dynasty, I am Cai Yulei, he is my own brother, called Shendi. Yu Lei pulled up Chen Xinshen on the shore and explained with a smile, "This Lechuan River is a magic weapon of the Beiyin Emperor, involving the way of time, fortunately, the magic weapon is usually in a state of sleep, and the time flow rate inside and outside is not large, otherwise your senior sister and the mountain ghost girl will be cold when the daylily is waiting." In fact, if you hadn't been sensed by us when you forced your way into the bridge, you would have been greeted not only by gravity and time still, but also by the obsession of unjust souls and evil spirits precipitated at the bottom of the river. ”

Chen Xinyan scratched his head in embarrassment, he was really embarrassed, he forgot to ask Nu Luo for clarification before going to the bridge after eating too much dog food.

"By the way, the two seniors, what about Nu Luo?" Thinking of Nu Luo, Chen Xinyan couldn't find her around, so he asked.

"She's a businessman, right? I let her buy something. Let's wait for your senior sister a little longer, with her innocence heart, it shouldn't take much time. Yu Lei stretched and said.