In the next few days, Liaodong City continued to fight, several times has attacked the city, but it was counterattacked, still did not break the city, the casualties of both armies are very large, but the defending side occupies a geographical advantage, in the whole army, the fighting spirit is not reduced, the casualties of the besieging side will undoubtedly be several times more. Pen @ fun @ pavilion wWw. ｂｉｑUｇE。 ｉｎｆｏ

The Sui Dynasty belonged to the era of complete cold weapons, and black powder had not yet been developed, so in the war, it was a battle of swords, guns, swords, and halberds.

Luo Zhaoyun has secretly begun to let people collect all kinds of raw materials, and even carry out the exploration of mine materials, but he has sent people to look for them separately, and he has not said his intentions, and the formula is even more unlikely to be leaked, and even, he is not only a detailed black powder formula, but only roughly seen from the Internet, what one nitrate, two carbon and three sulfur, when the time comes, it needs to be specifically developed.

He didn't say the gunpowder, it can be regarded as his own selfishness, that thing is a murderous weapon, if the artillery is made, Emperor Yang of Sui has it, his confidence is bursting, and it is estimated that he will do more arrogant things.

Once that kind of firearms technology spreads, the world will be in chaos in the future, and all different armies will have explosives, and they will not increase their own hostile strength and lose their miraculous effect.

The city of Liaodong was extremely strong, and the strategy of Emperor Yang of Sui was rigid, and the Sui army stagnated here, delaying the fighters.

The tenth day had arrived, but the city had still not been breached, and the casualties were huge, which somewhat shook the morale of the army.

Emperor Yang of the Sui Dynasty was furious, ordered the army on all sides, day and night, an all-out fierce attack, and finally, the Goguryeo army in the city was outnumbered and tired of fierce battles, and finally could not hold on, and chose to break through at night.

The Sui army finally conquered the city of Liaodong, but after entering, it was found that it was full of holes, many houses close to the city were smashed by trebuchets, wooden rafters and so on were demolished by Goguryeo soldiers for defending the city, and many refugees in the streets were mourned everywhere, and they suffered from the bitter fruits of the war.

Before Yizhi Wende fled, he sent people to burn down the only remaining granaries and weapons depots, leaving no usable equipment for the Sui army, and there were not tens of thousands of poor people.

Emperor Yang of the Sui Dynasty gave some grain and grass to the people here to show his positive image of hanging the people and helping the people of Liaodong to get rid of suffering, so that the grain and grass in the army became more and more compact.

The Sui army was stationed for three days, sending a part of the men and horses to attack some nearby simple counties, and the main army continued to advance eastward, to attack the next fortress crossing.

This area is undulating, the jungle is dense, the population is sparse, the land is more barren, and the original ecology is very strong.

A widening and turbulent Yalu River, more steep than the Liaoshui terrain, the fortifications on the opposite bank are more complex than the northeast bank of Liao, the earthen fort has also been replaced by a stone wall fort, thick and wide, across the opposite bank of the Yalu River, Xiongguan Pass, the city wall is meandering, connecting the mountains and mountains, directly blocking the route of the Sui army's eastward advance.

Behind the stone fort, there is the Eulzhi Wende battalion, with 100,000 troops, and the main force of Goguryeo is the majority, which is stronger than the mixed defenders of Liaodong City.

"After crossing the Yalu River, it is the territory of Goguryeo, which is only 500 miles away from Pyongyang City,"

"Congratulations, Your Majesty, we have already won a third of Goguryeo." Yu Shiji said with a flattering face.

Yang Guang's face was gloomy, his mood was not very good, he officially sent troops in mid-August, and now he has fought fiercely and marched, and it has been a month since he took one-third of the territory, and this one-third, originally in the Northern Qi period, was attached to the territory of the Northern Qi Dynasty, not the original territory of Goguryeo.

"Within ten days, the enemy camp on the other side of the Yalu River must be taken!" Yang Guang gave the death order, because he originally thought that he would fight under the city of Pyongyang in two months and make the king of Goguryeo submit to his subject, but now it seems that the process is very tortuous.

"Knock knock!"

The warships continued to cross the river, and the Sui army and the Goguryeo army staged another battle to cross the river.

The river water in the ninth month of the lunar calendar, especially the tributaries of Changbai Mountain, between the mountains and mountains, is continuous and rainy, the river water is already cold, and many of the Sui troops who fell into the river shivered, and their combat strength was even less than at the beginning.

On the contrary, this cool autumn environment was adapted by the Goguryeo soldiers, so the two sides fought a big battle, and the momentum rose and fell, which was even more unfavorable to the Sui army.

After a few days of fighting, more than a dozen Sui troops took turns to fight, but they did not overcome that line of defense.

The spirit of slaughter on both sides of the strait, vendetta against the people crossing the river.

"Your Majesty, General Duan Wenzhen has died of illness."

When Emperor Yang of Sui heard the news, he was a little worried, Duan Wenzhen was the secretary of the military department, this time he was the head of the march of the South Su Road, responsible for the escort of grain and grass along the way, as well as the scheduling of things, from Beiping County to Huaiyuan Town, Liaoxi, and then from Huaiyuan Town to the current Yalu River, which is very long one after another, and important people need to be responsible, otherwise, once the grain and grass have an accident, the consequences will be unimaginable.

"General Duan worked hard for the country and sacrificed his life to the field, which is worthy of admiration, and he should be buried thickly, and he will be posthumously awarded as Doctor Guanglu, Shangshu's right servant, and the Marquis of Beiping, and he will be called Xiang!" Emperor Yang of Sui attached great importance to Duan Wenzhen, and he also made great efforts in his succession, so he was one of his cronies.

"Your Majesty, please mourn, General Duan is leaving, I'm afraid that this army commander needs to be reappointed." Su Wei said beside him.

Emperor Yang of Sui nodded, and also knew the importance of the matter of grain and grass behind them, and when the divine light flickered, he saw Luo Zhaoyun's figure, and his heart moved, at a critical time, he felt that Luo Zhaoyun, who had been temporarily shelved in front of the emperor, was responsible for this heavy responsibility. (To be continued.) )