"Enemy attack! Enemy attack!"

Wu Deliang shouted loudly.

A series of bells rang throughout Tongguan City. Qin soldiers, armed with weapons, rushed to the city walls, watching warily as the Xin King's army advanced from the valley.

"Brothers, cheer up!"

Wu Deliang took a deep breath and roared, "Tongguan City is an impregnable fortress! Defend it well, these Prince Xin's armies cannot break in!"

The Qin soldiers on the city wall were all holding their weapons and equipment, and some soldiers even carried tung oil, logs and stones that they had prepared in advance to the side of the city wall.

However, at that moment, the army of Prince Xin in the valley all stopped.

Before long, rows of dark cannon muzzles were aimed at Tongguan City.

These cannons were also powerful siege weapons brought by the reinforcements!

Seeing this, the Qin soldiers on the city wall frowned.

These weapons and equipment were completely unheard of to them. They had only heard of the powerful weapons used by Prince Xin's army.

Despite their fear and trepidation, the Qin soldiers remained steadfast on the city walls.

At that moment, the army of Prince Xin in the valley opened fire.

Rows of cannons stood in the valley, their dark muzzles aimed at Tongguan City, and began their rampage.

Swoosh! Swoosh! Swoosh!

One after another, cannonballs rose into the sky with a piercing whistle, flying towards Tongguan City.

Hearing the sounds from the air, the Qin soldiers on the city wall became even more tense.

Some Qin soldiers instinctively hid behind the battlements.

At that very moment, shells rained down from the sky.

Boom! Boom! Boom!

Instantly, a deafening explosion resounded on the Tongguan city wall. The violent blast brought a surge of heat, instantly shattering some of the bluestone slabs. Nearby Qin soldiers were also blown to pieces, their flesh torn to shreds!

A strong smell of blood, mixed with the smell of gunpowder, permeated the city walls.

Some Qin soldiers were slashed by steel fragments, bleeding profusely instantly, and their shrill screams echoed from the city wall.

The explosion also affected the tung oil area, spilling barrels of tung oil onto the city wall, which then ignited the tung oil on the ground.

In an instant, flames erupted on the Tongguan city wall. Fueled by the wind, the flames spread, engulfing some Qin soldiers instantly.

In a short time, the entire Tongguan city wall was in a mess.

Upon seeing this, the defending general Wu Deliang stared wide-eyed, unable to believe what he was seeing.

Although he had heard of the power of Prince Xin's army's weapons before, Wu Deliang was still shocked when he experienced it for the first time.

It should be noted that the army of Prince Xin had not even reached the city walls yet, and had already caused such heavy casualties on the Tongguan side.

If these troops of Prince Xin were to rush forward, who knows how many casualties would occur!

Boom! Boom! Boom!

Just then, another round of shells came flying in, and the explosions filled the sky, making Wu Deliang feel a little panicked.

Especially since this was their first encounter with the army of Prince Xin, the Qin soldiers were arranged in a relatively dense formation. Several thousand men were gathered in the small city of Tongguan. Faced with the fierce bombardment, the Qin soldiers, almost packed together, suffered heavy casualties.

After just a few rounds of bombardment, piles of corpses were left on the entire Tongguan city wall, the scene a bloody mess!

Meanwhile, the fighting on the plateaus on both sides gradually came to an end.

Under the fierce attack of the Ninth Battalion soldiers, how could the sentry posts on the plateau possibly withstand their charge?

After capturing these two outposts, Tongguan was left as a solitary city nestled in the valley.

Standing on the edge of the plateau, I peered into the valley and saw the intense bombing below.

The third company commander chuckled and said, "We don't need to get involved in this battle. It's too intense! Let's go around to the rear and cut off Tongguan City's retreat route!"

As he spoke, the company commander made several hand gestures to the soldiers opposite him.

Immediately, the company commander led his soldiers to continue advancing forward.

After traveling around to the rear for about half an hour, Sanlian arrived at Zhangjiabao.

Zhangjiabao is located on the official road from Tongguan City to Guanzhong, occupying the exit of this valley, and its terrain is extremely dangerous.

The local garrison was also Qin soldiers.

However, these Qin soldiers clearly did not expect that enemy troops would actually attack from the plateau region to reach this place.

It should be noted that ahead of them lay the impregnable Tongguan Pass.

Therefore, the Qin soldiers at Zhangjiabao were completely unprepared. Faced with the attack of the three companies of soldiers, Zhangjiabao fell in a short time.

After the fall, the soldiers of the Third Company raised the banner of Prince Xin's army on Zhangjiabao.

Meanwhile, soldiers from the other side of the plateau also arrived here.

Standing on the high ground of Zhangjiabao, the third company commander looked around and then ordered his soldiers to guard key areas around Zhangjiabao, waiting for the enemy troops from Tongguan City to escape.

News of the fall of Zhangjiabao reached Tongguan City not long afterward.

Inside Tongguan City, the Qin soldiers who were desperately resisting the bombing by the Xin King's army turned deathly pale upon hearing this news.

Wu Deliang stared wide-eyed, unable to believe his ears.

"Zhangjiabao has fallen?"

Wu Deliang grabbed the man by the collar and demanded sternly, "What were the soldiers doing back home? How could they have let Zhangjiabao fall?"

Zhangjiabao was of great importance to the soldiers guarding Tongguan City.

It was not only the last stronghold of the Tongguan defense line, but also the logistical support channel for Tongguan City.

Normally, food and supplies are transported to Tongguan every day through Zhangjiabao.

Now that Zhangjiabao has fallen, it means that no more grain will be transported to Tongguan City.

this……

For a moment, Wu Deliang felt a little down.

After a moment, Wu Deliang came to his senses and whispered, "This news must not be spread. Send someone to the Lantian camp to inform them of this news, and also request that the Lantian camp send troops to support us! Be quick!"

"yes!"

One of the guards responded.

After the bodyguard left, Wu Deliang's expression did not improve at all.

After nearly half an hour of bombing, the Tongguan city wall was in ruins.

Even though the Tongguan city walls had been extensively repaired and reinforced by the Qin soldiers, they did not last long in the face of such bombing.

What Wu Deliang didn't expect was that the Prince Xin's army in the valley seemed to have received reinforcements!

Yes!

Wu Deliang was not mistaken!

While the battle at Tongguan was raging, the army of Prince Xin arriving via Fenglingdu was growing larger and larger.

The Ninth Battalion also received support.

Especially after learning that the plateaus on both sides could be climbed, the reinforcements began to bypass Tongguan City.

More and more valiant soldiers climbed up the plateaus on both sides and moved toward the rear of Tongguan City.