"Is this phosphorus?" Di Renjie pinched some powder and observed it. It was a bit wet, probably because it was wet with dew.

After picking up some powder, Di Renjie put the phosphorus powder in the sun to dry it. When the phosphorus powder was dry, it actually started to burn. He stood up in a daze at the dark blue flames.

In the Ganlu Hall of the Imperial Palace, Li Er was discussing with Fang Xuanling and Cen Wenben how to appease the people. He was discussing Wang Qin coming to report, "Your Majesty, Di Renjie, the young minister of Dali Temple, asked for a meeting."

"Die Renjie?"

Cen Wenben said, "Your Majesty, Di Renjie is investigating the ghost fire case last night."

"Summon Di Renjie!" Li Er spoke.

Di Renjie, who had been waiting outside the palace gate, finally waited for Li Er's summons and came all the way outside the Ganlu Palace, "My minister, Di Renjie pays homage to Your Majesty."

"Come in." Li Er stared at Di Renjie, "Have you found out?"

"Go back to Your Majesty, find out." Di Renjie took out a small black pot from his sleeve, "Your Majesty, the things in this pot are the so-called ghosts and gods!"

Li Er's eyes were gloomy, and Fang Xuanling was also strange.

Di Renjie opened the hole of the pot, poured out white powder into the mouth of the bottle, and came to a candlelight, "Your Majesty, I'm sure!"

Holding the white powder in his hand, Di Renjie sprinkled at the candlelight. As the powders burned, blue flames suddenly appeared, followed by wisps of faint blue flames floating and falling until they fell and extinguished.

"Ghost Fire!" Cen Wenben's eyes widened.

Even Li Er stood up and breathed rapidly.

"Your Majesty, this is the ghost fire last night." Di Renjie poured out some phosphorus powder from the pottery jar and said, "This was discovered in Qujiangchi, and it was also the first place where the ghost fire appeared last night. Your Majesty is not a ghost, but someone is doing it to incite the hearts of the people."

Li Er sat down again, took a deep breath and understood it all the time, "Send an order! The head of the Lu family and Lu Tianyuan were beheaded, and the children of the Lu family were granted a low status and were pardoned and unpardoned!"

Wang Qin bowed and retreated.

Di Renjie also understood in his heart that some people wanted to use public opinion and the taboo in Li Er's mind to protect the head of the Lu family. Li Er cut the mess quickly, but doing so just pushed the head of the Lu family to the guillotine, thinking to find out who did it.

Outside the academy, Xu Jingzong had a piece of cloth covering his mouth and nose, "Mr. Marquis, what's wrong? He insisted on cooking these urine."

The villagers passing by were bypassing one after another, and seven or eight large pots were boiling people's urine, which smelled ten miles in the wind.

Until the evening, Gu Qing came to the academy this time. The urine in a few big pots had been boiled and it was now autumn. Compared with the dry autumn in midsummer, phosphorus is also easy to burn, and the ignition point of phosphorus is also very low.

"Mr. Marquis, you are all ready." Xu Jingzong said.

It was just when the academy students were over. Gu Qing picked up a stick and hit it on the dried pot, raised some powder, and suddenly there were dark blue ghost fires floating.

"Ghost Fire!" Xu Jingzong screamed in fear.

"You try too?" Gu Qing handed the stick to Xu Jingzong.

"This..." Xu Jingzong hesitated after taking the stick.

"Are you scared?" Gu Qing looked at Xu Jingzong with interest.

"I'm not afraid!" Xu Jingzong said, and he hit the pot with a stick, and suddenly there were a few ghost fires.

Li Tai took Li Zhi out of the academy and saw this scene. Li Zhi looked at the blue flame and said, "Brother, is this a ghost fire?"

With a calm smile, Li Tai pulled Li Zhi into the carriage, "Let's go, let's go back."

After the Ghost Fires in Chang'an, ghost fires were floating in the night in front of the academy. The villagers looked at it, understanding that this was Gu Qing's intention to be afraid after he tried to make a comeback, and he had a bit of a novel taste.

The dark blue ghost fire lingers in the academy. The flames have no temperature and cannot burn anything else. It is very interesting, like a firefly in summer.

A naughty child in the village urinated and looked carefully. Is there a ghost fire inside the urine?

The movements in Pushan Village naturally also disturbed Chang'an. The people of Chang'an were talking about this matter. It turned out that the ghost fire ran out of the urine.

Early in the morning that day, at the end of the court meeting, the head of the Lu family was taken to the guillotine.

"What do you want to say before you die?" Di Renjie looked at him.

"If you lose, you lose. The biggest mistake I have done in my life is to underestimate Gu Qing's ruthlessness." The head of the Lu family said in a low voice, "Boy, remember! Gu Qing will not have a good result. Li Shimin is not a good person! After using Gu Qing, he is at the end of his journey!"

The only one who responded to the head of the Lu family was Di Renjie's sneer and said loudly: "The Lu family's intention to rebel, the evidence is conclusive, the time has come, behead!"

The executioner's big sword fell, and the head of the head of the Lu family fell down, and the Lu family fell!

Li Er went down to listen to Wang Qin's report, "Did Gu Qing use human urine to make ghost fire?"

"It's true." Wang Qin said, "and the storm in Chang'an has gone a lot now. I know that this is how ghost fire comes."

"This Gu Qing has shared my worries." Li Er said, "I want to go to the academy to have a look."

In the academy, the sound of reading Lang Lang, Gu Qing and Li Tai, and Fang Yizhi were playing cards.

"What did this guy Chumo do recently?" Gu Qing played one-on-five.

Li Tai played a one-on-seven, "I went to the restaurant yesterday. This kid is thinking about how to marry that tough woman into the house."

"But he can't think of any tricks." Fang Yizhi said, "I guess he'll come to find you."

"What does it have to do with me?" Gu Qing sorted out the cards in his hand.

"Because you have the most ideas." Fang Yi straightened out a pair of ten.

"Brother Gu Qing, Brother Fang, Father is here!" Li Zhi ran in panic.

Li Er had already walked to the door, walked into the door and looked at the table of signs, and looked at the three teenagers again, "You all go out, I have something to say to Gu Qing."

After everyone left, Li Er looked at Gu Qing, "You solved the case of Guihuo for Di Renjie."

Gu Qing nodded.

"What do you think about this matter?" Li Er sat down and looked at the cards on the table with annoyed look.

"The other party incites the people to protect the head of the Lu family." Gu Qing said as he packed up the cards on the table, "Now the ghost fire thing has passed, and some suspicion is still impossible to erase. If His Majesty wants to make the Lu family affairs pass smoothly, he needs strong medicine now to completely attract the attention of the people."

"What medicine are you talking about?" Li Er stared at Gu Qing.
Chapter completed!