Fushun City is located in the middle reaches of the Tuojiang River, where the river is abundant, and it is quite difficult to erect a pontoon bridge in the turbulent water. The Mongolian army finally erected a pontoon bridge, but the width was only for two horses to pass side by side, and the pontoon bridge kept swaying under the impact of the river, and the traffic capacity was really limited. The 800 cavalry led by Kudu were all lightly armed, and because they only carried three days of grain and grass for the vanguard task, they advanced extremely fast, but it also took half a day to pass through the pontoon bridge.

Liu, who then passed, was a foot soldier, and brought hundreds of carts of grain and grass baggage, and the speed was much slower, and it took a full day to reach the east bank, which made Niu Ling, who had not yet crossed the river, anxious, but did not show his face on the surface. According to the scouts, the water barrier five miles downstream was nearly disintegrated after several blasts by the Thunderbolts. More than a dozen Thunderbolt boats had already passed through the gap and headed for the pontoon. Cao Ergou's Thunderbolt army was also coming quickly, and it was now less than a hundred miles away from Fushun City, and the reconnaissance ships of its naval army had appeared twenty miles upstream.

Seeing that the two Thunderbolt armies were approaching step by step, and Niu Ling was about to lead his troops eastward, the defenders in the city began to commotion, and even dozens of new annex soldiers mutinied, but they were suppressed by Liu Yuanzhen's personal soldiers. Rows of heads hung from the walls, which quieted the defenders. Staying to defend the city is more auspicious, how can Liu Yuanzhen not know? It's just that he knew in his heart that with the passage capacity of the pontoon bridge, it would not be possible to cross the river before the arrival of the Thunderbolts.

In the two days since Niu Lin ordered to cross the river under the pretext of receiving reinforcements from Dongchuan, there are still 1,000 cavalry of the 3,300 men he led have not yet crossed the river. If the more than 5,000 defenders of the city were to cross the river, it would take four or five days at least. What's more, after crossing the river, the Mongol cavalry led by Niu Lin could escape, but it was difficult for the infantry led by him to escape the pursuit of the Thunderbolt army. At the moment, it is better to defend the city and fight to the death with the Thunderbolt army, and maybe you can fight a way out.

On the east bank, Niu Lin saw that several small boats of the Thunderbolt Army had appeared in view, and he was slowly coming towards the pontoon bridge back to the water, and he was so anxious that he jumped to his feet, because there were still more than 700 cavalry on the west bank. Although these small ships were not too threatening, they meant that a large number of Thunderbolt warships were about to arrive. In desperation, he ordered more than a dozen war horses carrying logistics supplies to be pushed into the river, and it was these faltering horses that blocked the already small pontoon bridge. Although the Mongol cavalry was lightly armed, in addition to the individual carry-on supplies, they still needed additional horses to carry consumables such as food and arrows.

As pack horses neighed and rolled into the river, the speed of passage on the pontoon became much faster. Just as the Bolts were urging the cavalry to cross the river, two Thunderbolt boats kept changing their trajectories and came in the direction of the pontoon. Although the two small boats were in the shape of reconnaissance ships, and several sailors on them were also paddling desperately, they were not fast, and they could be seen to be carrying heavy loads by looking at the draft on their sides.

This section of the river was very wide, and the boats were in the middle of the river, which could not be reached by shooting with bows and arrows while standing on the riverbank, and the Mongol trebuchets and ballistae were all burned in the battle of the barracks. Without a fire blockade, the two boats went against the current, and in a short time approached the pontoon.

At this time, on the pontoon bridge, there was a sound of people neighing. The Mongol cavalry marched to the east coast, and no one paid attention to the two small boats that came to them, and no one bent their bows and arrows to stop the ships from advancing, because stopping would affect the march of the group. The unstopped two small boats rushed straight to the pontoon bridge at a slow speed, a move that drew laughter from the New Nian at the head of the East Coast bridge. Although the pontoon bridge was not very strong, it would have to be destroyed with a huge amount of force, and it was a fantasy to break the pontoon bridge with these two small boats.

When the two boats collided with the pontoon, the pontoon shook slightly, and although it was thin, it was still a behemoth for the incoming boats. Strangely, the two boats were firmly stuck on the wooden stakes of the pontoon, and several Thunderbolt sailors on board also shouted in unison, jumped into the water, and desperately went downstream. This situation made Niu Xuan puzzled, and he didn't know what the Thunderbolt Army was doing, after all, Zan Wanshou would not send two small boats for no reason, because this was not only to send ships, but also to send heads.

When he was wondering, he saw that the cavalry who were crossing the river in the middle of the pontoon bridge suddenly stirred, and a few people jumped into the two small boats, and smashed the boats with knives and axes, and some people actually rode their horses on the narrow pontoon bridge, and many people fell into the water under the wild gallop; Some even jumped into the water, knowing that there were very few Mongolian cavalry who were proficient in water.

There must be a demon when things go wrong, the chaos in front of him shocked Niu Lu's heart, "Could it be a blasting ship......" seemed to echo his thoughts, two earth-shattering explosions suddenly sounded from the pontoon, and two huge water columns rose into the sky in the thick smoke, followed by a large number of wood, horses and human bodies flying into the sky together.

A moment later, the water fell, screaming and wailing incessantly, and the air was filled with the choking smell of gunpowder smoke and the salty smell of blood. The smoke slowly cleared, and the pontoon bridge had been reduced to pieces of wood floating on the surface of the water by the massive explosion, and the water had turned a messy light red, with a large number of horses and human remains flowing down the water.

Before he could recover his senses, there was another burst of cannon fire downstream. A large number of warships are slowly approaching the water, and they are destroying the Mongolian fortifications along the way with artillery. Niu Lin looked at the more than 300 cavalry still on the west bank, and then looked at the river that was gone, grabbed the reins in his hand, and turned his horse to the east. The explosion had cost him two hundred cavalry, and many of them had not been able to cross the river. At present, there are only 1,800 cavalry on the east coast, and there are 1,000 new attached troops of Liu Cheng. If the march is fast enough, you can still return to Dongchuan.

The two demolition ships of the Thunderbolt Army were loaded with hundreds of pounds of gunpowder, and the huge explosion impact not only completely destroyed the pontoon bridge, but also caused serious damage to the pier on the shore, and even the vibration could be felt on the city wall half a mile away. As the Thunderbolt warships gathered in the waters outside the city, the defenders of Fushun City were even more in terror. Liu Yuanzhen first killed several captains who had the intention of surrendering out of the city, and then took out a large amount of property to reward the soldiers, which stabilized morale.

The 300 Mongol cavalry who had not crossed the river did not enter the city, but went straight to the north, and Hou Xing did not send cavalry to pursue them. On the one hand, neither horses nor riding skills are inferior to the Mongolian army, and it is really difficult to catch up. It is said that the mobility of the Mongol cavalry is unrivaled in the world, and if they want to escape, there is no army that can stop them. On the other hand, the cavalry brigade of the third division is now seriously damaged, the grenades have been exhausted, and there is not much ammunition left for the short fire system of the runner, which makes the overall combat strength drop a lot. If they rush to catch up, it is likely that the Mongol cavalry will bite back. The immediate priority is to rest and recover, replenish ammunition and then fight.

Because of this, Zan Wanshou did not attack immediately after arriving, but first sent grain, grass and ammunition supplies to Hou Xing at the West Gate, and then let Yang Bangxian lead his 3,000 Banzhou troops to set up camp at the South Gate, and he led the naval army to firmly choke the East Gate, and the direction of the North Gate was left to Cao Ergou's first division. The vanguard of the first division was only forty miles away from Fushun, and it only took one day to meet the division under the city.