According to the law of the Ming Dynasty, the vassal king could not leave his fiefdom except in special circumstances.

In other words, even if Zhu Gui was ordered by the imperial court to send troops to aid Su King Zhu Ao, he himself would not be able to go along.

However, although Zhu Gui was very sure of Xu Yingxu's ability to lead troops, he still wanted to experience personally leading troops to fight.

It made him saddened.

But he didn't dare to blatantly violate this rule.

This is different from the salt tax, and if discovered, he may be executed on the spot in the name of 'rebellion', and may be directly executed by other vassal kings.

So Zhu Gui is weighing whether to take risks.

At noon that day, he and Xu Miaoqing were eating with different thoughts.

"That's right."

"Zhu Gui."

The two suddenly spoke at the same time.

"What's the matter with you?"

"Let's talk first."

The two of them said again at the same time, and then they both laughed.

There seems to be a tacit understanding between the two.

Zhu Gui nodded at the other party, Xu Miaoqing put down the chopsticks, and her eyes began to sweep around.

Seeing her like this, Zhu Gui had a plan in his heart.

"You're bored again, aren't you?"

Xu Miaoqing looked at Zhu Gui and nodded hurriedly.

"And where do you want to go?"

Zhu Gui sighed and said, fortunately, after Xu Miaoqing passed through the robbers, he would tell him when he wanted to go out.

"I think, I want to go to the front line to see ......"

Xu Miaoqing whispered.

"The front line?"

Zhu Gui frowned and asked in a deep voice.

Xu Miaoqing was about to explain, but Zhu Gui suddenly said, "It turned out to be the same as my thoughts." ”

"Huh?" This time it was Xu Miaoqing's turn to be dumbfounded.

Zhu Gui glanced left and right, and immediately drove Steward Wang, other subordinates, and his own soldiers out.

"Actually, this king wants to go and see how the war is going this time."

Zhu Gui said softly.

"No, absolutely not, I'm already careful enough by myself, if I add you, it's strange if I don't find out."

Xu Miaoqing hurriedly waved his hand and shook his head again.

And the reason for her refusal turned out to be just the fear of being discovered.

When Zhu Gui heard this, he immediately said: "The affairs of Datong Mansion have gradually entered the right track, and the rest is the matter of building roads and trading with the Mongols, in fact, it is the same whether this king is here or not." ”

Xu Miaoqing pulled down her face and said, "What do you think?" But don't forget your identity, you are a vassal king, if you are discovered by others, it is a great crime of complicity, you don't want to live? ”

"And the deal with the Mongols can't be done without you, my brother will definitely lead the army to the war, who will you let trade with the Mongols when the time comes? Aren't you afraid that they will know about your trade with the Mongols for salt and iron? ”

Xu Miaoqing said with her fingers crossed.

"When this king knows, it's a big deal to come back before the next transaction."

Zhu Gui said with a bitter face.

"That's not okay, unless you can get the emperor's decree to let you go to the battlefield, absolutely not."

Xu Miaoqing said categorically.

She can still distinguish between right and wrong in major matters, and she must not let Zhu Gui mess around.

"Divine decree? Don't dig and laugh, how could the emperor let this king go to the battlefield? Unless ......"

Zhu Gui said at the end, and suddenly groaned.

"Unless what? There is no such possibility. Xu Miaoqing didn't notice Zhu Gui's abnormal expression.

"Unless this war is not possible without the king's firearms, then the king will naturally have a reason to supervise the army."

Zhu Gui clapped his hands and said with some excitement.

"Firearms? But hasn't the emperor always disapproved of your research on firearms? ”

Xu Miaoqing tilted his head and thought for a while, the possibility that Zhu Gui said seemed to be very small.

"Originally, this was true, but now if there is King Yan to speak for this king, it will be different, yes, that's it."

Zhu Gui figured out something, and immediately went to the study to write three letters and a note, and then asked the government soldiers to ride fast horses and send them out as fast as possible.

These three letters were addressed to the crown prince, the king of Yan, and the prince of Xu.

The letter to King Yan was very simple, it was to explain the seriousness of this war, and then ask him to play a few words for him.

As for the crown prince and Xu Guogong, it was also a meaning, but Zhu Guiyan made it clear that he had already been recommended by King Yan, and he was just going to the battlefield to test his firearms.

The letter and the fold are already on the road, and the rest is only to wait.

Three days later, Xu Yingxu had already reorganized his troops and baggage, and came to ask Zhu Gui for his resignation on behalf of the palace.

Zhu Gui wanted to speak and stopped, but in the end he could only nod.

He originally wanted Xu Yingxu to wait for two more days, and then wait for the Holy Decree to come down and walk with him.

But at the beginning, it was he who said that the soldiers were fast, so that they could gather enough information and take the lead.

Now he could only personally send Xu Yingxu and 3,000 cavalry out of Datong Mansion.

After another four days, Zhu Gui finally waited for the holy decree, and Zhu Yuanzhang allowed him to go to the battlefield as a 'prison army', but he had to pay a military salary of 100,000 taels.

This amount of money is nothing to Zhu Gui, but it also shows Zhu Yuanzhang's attitude towards him.

Obviously, he went to support the front line, but he had to spend money to 'buy' officials, which made Zhu Gui a little speechless.

and the two letters of the crown prince and Xu Guogong who came from the holy decree.

The situation with this war is described above.

The Mongols of the entire northwest suddenly gathered together and began to attack the fiefdom of Zhu Hao, the king of Su.

Zhu Ao fought several defeats, even the border passes were captured, and finally had to move to Ganzhou (now Gansu), and there was already a shortage of soldiers and food, and the imperial court had sent an army of 50,000 to win the battle.

Only then did Zhu Gui understand why Zhu Yuanzhang would let him pay.

It turned out that Zhu Yuanzhang didn't count on him in the first place, because the situation in Datong Mansion was not comparable to the strength of the fiefdom of King Su Zhu Ao.

It's just that once the Mongols break through Ganzhou, Datong Mansion will also be implicated at that time.

That's why I agreed to Zhu Gui's request.

But no matter what, being able to participate in this war still made Zhu Gui very excited.

However, he could no longer mobilize the garrison of the guard, otherwise the safety of Datong Mansion would not be guaranteed.

In the end, he could only take a hundred soldiers on the road.

And this time he also brought Xu Miaoqing.

Because he knows that even if he doesn't agree, the other party will blend in with the team.

Instead of exposing her to all kinds of dangers without him knowing, it is better to take her with him directly.

This made Xu Miaoqing very happy.

Zhu Gui divided the team into two parts, he and Xu Miaoqing and a hundred soldiers rode first, while there were five hundred militia troops behind them with their baggage in the rear.

On the third day of the decree, Zhu Gui was already on the road.

He was afraid that the war would end before he arrived.

However, he did not forget the affairs of Datong Mansion, and after all this was dealt with, the hundred cavalry finally left Datong Mansion and headed all the way to the northwest.