"What! They are so bold? Could it be that they have guessed wrong?" His Royal Highness the Crown Prince was the first to believe that the huge Hengduan Mountain Range had opened a secret passage to Shangjing in this way? This is simply unbelievable!

"Your Royal Highness the Prince, things have come to this point, and I can't believe it or not, think about it, why did they go to such a great trouble to climb such a death mountain range, and why did they build a city in a place where birds don't?"

Ye Haixuan frowned and explained to His Royal Highness the Crown Prince, the shock in his heart was not less than half a point than anyone else.

"Your Royal Highness the Crown Prince, I think what the commander said is right. The place was clearly a secret passage, and it was very wide and deep. The direction is to go to Beijing. ”

"Don't say it again!" His Royal Highness the Crown Prince interrupted Liao An, who was now very confused: "Commander Ye, let me calm down." ”

After Ye Haixuan and the prefect glanced at each other, they sighed one after another.

The current situation is not optimistic, and if no action is taken, maybe the neighbors will really dig a secret passage to Shangjing, and it will be too late to say anything.

"At first, I didn't understand why Wan Yanfei always loses battles, and with his ability, he won't lose so badly every time. It turned out that he was covering his secret passage. I have to say that he is also a talent. The prefect touched his beard and nodded.

"Who's to say it's not, now we have to find a way to solve this problem once and for all. Ye Haixuan nodded, and His Royal Highness the Crown Prince gradually recovered from the shock.

"Wait, the commander just said that there was a fire at the entrance to the cave?" asked His Royal Highness the Crown Prince suddenly.

"Yes, there was a fire at the entrance to the cave, and there was an explosion, like firecrackers. Ye Haixuan nodded, and His Royal Highness the Crown Prince showed a suddenly realized expression.

"I understand! They are bombing the mountain with firecrackers! No wonder such a long passage will be opened in such a short period of time!" His Royal Highness the Crown Prince danced with his hands, and he didn't know that he thought he had something terrible, his face flushed, and Ye Haixuan couldn't help but be infected by his emotions.

"Okay, His Royal Highness the Crown Prince actually knows their method of blowing up the mountain?" Ye Haixuan asked.

His Royal Highness the Crown Prince shook his head, came to the map, pointed to the point of the Hengduan Mountain Range, and said: "I also guess, I once read a record in an ancient book about someone using firecrackers to fry fish, and I just speculated on the phenomenon you said. ”

At this moment, everyone's mood in the camp is very heavy, the neighboring people have mastered such a technique, even the mountains can be exploded, let alone people? What if they come back to their senses and use the Dao on the battlefield?

"For now, we still have to figure out the mechanism of their bombing of the mountain, and then come up with a countermeasure to destroy this secret passage. In the end, step by step, their forces were dismantled. Fight head-on, and we won't be afraid. ”

The strategy proposed by Ye Haixuan has been affirmed by everyone, and the next step is the division of labor.

"Commander the army, his subordinates are willing to explore the terrain, and then destroy their secret passage!" Liao An suddenly knelt down and asked for his life.

Ye Haixuan's face was relieved, worthy of the soldier he brought out single-handedly, he patted Liao An's shoulder and asked him to get up: "Liao An, your mind is known to the Great Commander, this is very good." But now we don't have the money to destroy their hole. If you want to destroy the cave without alarming them, you need to think long-term. ”

His Royal Highness the Crown Prince nodded, affirming Ye Haixuan's statement. The crowd is now stuck on how to destroy the passage. It is absolutely possible to avoid the neighbors and resolve the battle quietly and quickly by relying on manpower alone.

"I have a way, but I still need the help of His Royal Highness the Crown Prince. Ye Haixuan pondered for a long time and then spoke.

"Commander, say quickly, I will do my best. His Royal Highness the Crown Prince looked at Ye Haixuan expectantly and asked.

"They can open this secret passage so quickly, and we can destroy this secret passage in the same way. So as long as we figure out how they blew up the mountain, we can know how to destroy this passage!"

Ye Haixuan's words made everyone pause, and His Royal Highness the Crown Prince shook his fist on Ye Haixuan's chest with excitement and said: "Haixuan, my father really didn't mistake you, this leader belongs to you!"

The Celestial Empire does not lack warriors, what the Celestial Empire lacks is a great commander who can lead everyone and guide the direction, Ye Haixuan is indeed a general, and the prefect also feels very relieved in his eyes.

Although His Royal Highness the Crown Prince is a nobleman of the Celestial Empire, he has a lot of research on the hundred schools of thought, especially those folk gadgets are very interested. Although you can't make firecrackers, it's not difficult to understand.

After taking Ye Haixuan's task, he buried himself in the camp tent, studied day and night, and finally one morning, there was an explosion in the camp of the Celestial Empire army.

"Boom!"

Ye Haixuan was drinking tea at the moment, when a loud noise came from outside, and the teacup in his hand fell to the ground and shattered carelessly.

"What's the situation, what's going on outside?" Ye Haixuan came out of his seat and rushed out of the camp tent, seeing that the soldiers were cheering, he grabbed a soldier and asked.

"Commanding the army! His Royal Highness the Crown Prince has succeeded!"

Ye Haixuan showed a happy smile on his face, and His Royal Highness the Prince, who was not far away, noticed Ye Haixuan who came out of the tent, put down the torch in his hand, and rushed to Ye Haixuan.

"Haixuan! Lone has succeeded! You can go and serve the neighboring city!"

That night, His Royal Highness the Crown Prince gathered people and rushed to produce a large number of artillery pieces that were enough to blow up the mountain overnight, Ye Haixuan immediately asked Liao An to organize a team of people and set off with the team in person at night.

"It's still the old rule, we must not be discovered by them, otherwise our efforts will be wasted, and His Royal Highness the Prince's hard work will be in vain. Is there anyone who doesn't know how to use this artillery now?"

"Nope!"

Ye Haixuan nodded with satisfaction, and with a wave of his hand, the team scattered in all directions, all heading towards one goal.

"Commander, there's a patrol ahead. After Liao An put down the sentry at the door, he came to the door in a flash, and found that many people were at the entrance of the cave, and the sound of clanging and digging inside was still ringing.

"Be calm, let's point to the neighbors, not afraid of them. ”

At this moment, they still changed into the clothes of gatekeepers, and the two quickly hid among the soldiers of the neighboring country by taking advantage of the darkness of the night, and no one found out.

As soon as Ye Haixuan looked up, he saw his own people who came in from all sides, they pretended not to know each other, and mixed into the team digging the cave, doing coolies.

"Grand Commander!"

Suddenly, everyone put down the work in their hands, Ye Haixuan and Liao An glanced at each other, also stopped, turned around and bowed.

"Well, how's it going?"

After Yan Fei's voice sounded, Ye Haixuan secretly frowned, and hid himself in the shadows.