Zheng Xiaolou was very simple. He never cared about Li Su's fame, wealth and official titles. Strictly speaking, he was a man from the martial arts world. He valued friendship and fame and fortune. They did not care about the law. They despise life, other people's or their own.

"The hero violates the ban with martial arts" refers to such a group of people, and Zheng Xiaolou is also among them.

He was willing to follow Li Su. At first, because of Li Su's life-saving grace, and later after getting along with Li Su for a long time, Zheng Xiaolou gradually realized that this person was not bad. Although he had many minor problems, he often had some amazing ideas and could do some things that ordinary people dare not even think about.

So Zheng Xiaolou is willing to do something for Li Su and see with his own eyes how magical these things are, such as the ghost fire he made by himself last night.

In contrast, Wang Zhi was obviously much more excited. He rushed back to Taiping Village from Chang'an early in the morning and was very excited when he saw Li Su.

"The eldest son of the Gao family was scared crazy, really crazy! Haha, it's so relieved! Li Su, you did this well. Early this morning, the people of Chang'an were talking about the retribution of the Gao family. They all said that the Gao family had done something that damaged their good deeds back then, and it was probably not just Fanglinmen. They must have done a lot of them over the past ten years, otherwise the retribution would not be so heavy..."

Li Su smiled indifferently: "Pretending to be a ghost is just to achieve your goal. I just need to be as long as the two families dare not marry. The other discussions have nothing to do with me."

Wang Zhi's tone was still full of praise: "Today I realized that the ghost fire could be created out of thin air. Li Su, now you should tell me, how did the ghost fire be created? Why did you ask my brother to urinate?"

Li Su smiled and said, "Ghost Fire is actually extracted from urine. There is something in human urine called white phosphorus. It is very small. After boiling the urine, a layer of white crystallized thing in the pot is white phosphorus. White phosphorus is easy to lit and mixed with sand to ignite. The fire is green and green, and it looks like ghost fire at night. The ghost fire we often see on the grave is actually white phosphorus. Human bones also contain white phosphorus. After a person dies, the body rots, and the white phosphorus in the bones will appear. It will burn a little when the temperature is high. Moreover, the white phosphorus is extremely light and it will sway everywhere when the wind blows. Therefore, this is why ghost fires often see wandering on the grave. People often say that when passing by the grave, the ghost fire follows him because the white phosphorus burns too lightly. People inevitably bring wind when walking, so ghost fires follow people. This is the same reason..."

Wang Zhi and Zheng Xiaolou were shocked. They did not expect that creating a ghost fire would have so much knowledge. What seemed strange and terrifying things were explained by Li Su, and the mysterious and terrifying veil was instantly unveiled.

Wang Zhi was stunned for a moment and sighed: "Li Su, your knowledge is really... We grew up together and have never seen you read any books. Why do you know everything? Even the ghost fire was created by you, which scared the people in Chang'an."

Li Su said with a stern face: "The sea of ​​knowledge is endless, and looking back is the shore... I will tell you that in order to specialize in ghost fire, did I sleep in the graves west of the village for half a month?"

Wang Zhi was shocked: "Really? You are so awesome! Aren't you afraid of sleeping on the grave? Why didn't you call us brothers?"

Li Su sighed. The balance of IQ was owed a lot. It seemed that his expression must be very sincere when he talked nonsense.

Li Su said: "I have explained the truth of ghost fire. In fact, it is not a very profound knowledge to put it bluntly, but I don't understand one. So I plan to ask without shame..."

As he said that, Li Su turned his head and looked at Zheng Xiaolou. He said leisurely: "Ghost fire is easy to create, but I can't understand what the so-called "yin soldiers crossing" you made last night? You only hear the sound but don't see people. This is almost a magical method. Even I asked myself that I can't do it, how did you do it?"

Zheng Xiaolou smiled and said, "You are not the only smart person in the world. The transit of the Yin soldiers is actually like ghost fire. It is worthless to say that. Last night, after I sneaked into the Gao family, I prepared a large black cloth in advance, hung it between the wall and the woods, and merged with the night color. Then I hid behind the black cloth and knocked on the ground with two special iron sheets. The sound made was exactly the same as the footsteps of the military formation. It was pitch black at that time, and the black cloth was hanging in the night color. Who could tell whether it was a cloth or a night color? I hid behind the black cloth and made footsteps. Of course, they could only hear the sound and could not see people."

As he said that, Zheng Xiaolou took out two pieces of iron from his arms, Li Su took it and looked carefully. The iron sheet was made of ordinary cast iron, rolled into a cylinder, with empty middle. When he knocked on the ground, he made a sound of footsteps like a pedal, which was very realistic.

Li Su couldn't help but be amazed. The wisdom of the working people in ancient times should not be underestimated, and the wisdom of the heroes in ancient times should not be underestimated.

"What's going on with the Qihe bleeding? Why are all the people who died in your hands bleeding from Qihe bleeding and there are no scars on their bodies?" Since he asked without shame, Li Su decided not to be ashamed of him again.

Zheng Xiaolou glanced at him lightly, and Li Su instantly felt a sense of humiliation of being despised.

"It's even easier to bleed in the seven holes. A palm hit his heart vein and shattered his heart vein. Naturally, bleed in the seven holes. Even if the government coroner was a mortal, it would be killed by an inexplicable force. What can be found out?"

Li Su suddenly realized that this is really worthy of being despised because he is not a fellow student, and this is a professional skill. Li Su does not know how to do martial arts and is completely not his profession.

Okay, the doubts were resolved, and Li Sudun suddenly realized.

Next, it depends on the choice of Li Shimin and the Gao family. After pretending to be a ghost, Li Su believes that Li Shimin and the Gao family should not have the courage to face difficulties. In addition to the arguments in the court, public opinion, and the current various aristocratic families that are dissatisfied, there is another most direct reason. It is just a very ordinary marriage for children. Will he be willing to fight against the sky for this marriage? He can easily crush the visible enemy, what about ghosts and gods? What about the cause and effect?

…………

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The facts were as expected by Li Su. Li Shimin and the Gao family did not dare to fight with the sky. It was not only because of courage, but also because of the pros and cons. This marriage has caused too much trouble and has attracted discussions from all over the world. If you insist on doing it alone, you can't stop it.

On the third day of the sudden change of the Gao family, Gao Shilian entrusts Changsun Wuji to submit a statement saying that the eldest son of the Gao family suddenly suffered an illness and his condition did not improve. If Qiang married the Tian family, it would be desecrated to the reputation of the Tian family, so please terminate Gao Lijie's engagement with Princess Dongyang.

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Chapter completed!