Moreover, after the weapon was upgraded, with his powerful marksmanship, the lethality of the bullets had been raised to a terrifying level by Song Shi. Basically, ten bullets could cause seven kills. He alone was equivalent to a hundred people.
He specially attacked the fellow in front and powerfully sniped the mutated beast's attacks. He helped the cannon fire and others block the mutated beast's attacks again and again.
However, there were still casualties among the cannon fodder at the front. Occasionally, small insects and rats would charge in that direction.
Even low-level mutated beasts could unleash terrifying lethality before killing ordinary cannon fodder. In a one-on-one battle, humans were basically dead or injured. If not for Song Shi and Lin Lili helping to clean up, the casualties would have been even more serious.
In short, there were indeed a lot of mutated beasts. If not for the cannons providing fierce firepower, this number of people would not have been able to stop them.
Crack!
With a crisp sound, Song Shi subconsciously reloaded. Only then did he realize that he had already used up all his bullets.
"Immortal Emperor, bullets."
An official soldier beside him handed his bullet over politely. "This is for you. It's more valuable. I'll go get it again."
Official soldiers also had standard assault rifles, but they mainly used laser guns to deal with the birds in the sky and rarely used assault rifles.
Song Shi nodded. This was a soldier who knew the big picture.
He quickly reloaded his bullets and continued to fire at the mutated beasts.
When he killed more than a hundred mutated beasts with his assault rifle, Song Shi's muzzle was red.
However, the mutated beasts' attacks did not stop, as if they were endless.
"It hasn't stopped yet. The situation isn't good."
Song Shi glanced at the sky. It was not suitable for zombies to move at this time. He could only rely on himself.
Many of the cannon fodder in front of them began to tire. Moreover, their ammunition was severely depleted, and the defensive line began to show signs of collapse.
At this moment, the Camp Commander said, "Activate the close-range defense cannons. Everyone in front, retreat into the trenches!"
The cannon fodder seemed to heave a sigh of relief and retreated without hesitation. At the same time, the cannons on the high ground moved and cannon muzzles appeared one after another.
In the next moment, dense bullets turned into flames and were released like rain, covering the entire defensive line.
Song Shi acutely realized that these bullets were all armor-piercing bullets. Even if the power of the bullets after they were fired was slightly inferior to a sniper rifle, they still posed a greater threat.
The rain of bullets instantly swallowed the mutated beasts that had killed their way to the trench and tore their bodies apart, leaving not a single intact corpse behind.
Not only on the ground but the sky was also covered by dense armor-piercing bullets.
Many mutated beasts were directly killed by such a violent attack. Their screams echoed and were cleared in the blink of an eye.
The smell of gunpowder was pungent. Song Shi sighed. This was the first time he had seen such fierce firepower. In his eyes, there was actually a violent beauty that made his blood boil.
Under this firepower, the mutated beasts within a thousand meters of the high ground were all killed by the bullets. The mutated beasts behind were also forced to stop.
In the end, under the suppression of firepower, the mutated beasts began to retreat. This group attack was temporarily over.
"Stop!"
The Camp Commander waved his hand and the cannons quickly calmed down, leaving behind many red cannon muzzles.
Song Shi looked at the remaining three armor-piercing bullets and then at the bullet shells all over the ground in the distance. The corners of his mouth twitched.
It was all money.
"Everyone, hurry up and rest!"
The Camp Commander's expression did not soften. He did not seem to be happy about defeating the group attack of the mutated beasts.
He looked at the bullets all over the ground and roughly understood the reason.
It seemed that he had used up too much ammunition.
"If there's still an attack but there's not enough ammunition…"
Song Shi thought of a possibility. Looking at the vast wilderness, it was now autumn. The vegetation was withered and yellow. What were the mutated beasts doing by launching such an attack?
"I'll replenish some armor-piercing bullets first."
Song Shi walked towards the logistics department. When the soldier who was distributing the ammunition saw that it was Song Shi, he did not say anything and handed twenty armor-piercing bullets to Song Shi.
At the same time, he said with admiration, "Brother, you're really capable. If you hadn't killed that rampaging bull and the extremely fast Black Wind Sparrow today, the close-range defense cannon would definitely have opened in advance and consumed more power ammunition."
"How long can the ammunition last now?" Song Shi asked casually.
The latter said, "At most two similar attacks."
"Do you think the mutated beasts can still attack us in groups?" Song Shi knew that this person must be very experienced.
"Perhaps this kind of suicidal siege often happens after autumn."
"Why? Are these guys not afraid of death?"
Song Shi felt a little puzzled. In his original cultivation world, mutated beasts rarely took the initiative to do this.
"It's rumored that the mutated beasts deliberately consumed the number of their group to prevent there from not being enough food in winter. There are also rumors that the mutated beasts feel that humans are a threat and want to destroy us. No matter what, it's not good for us."
Hearing this, Song Shi left with a thought. Before he could walk far, the Adjutant happened to come over and said to him, "The Camp Commander is looking for you."
Song Shi could only make a trip there. The watch in the Camp Commander's hand projected light and shadow, forming some words and data.
"You've earned more than 3,000 military merits this time. You are as good as a hundred people."
"The more mutated beasts there are, the more they will be killed."
"But you also know that this is completely because there are cannons supporting the defense line to give you a chance to shoot."
When Song Shi heard this, he looked at the Camp Commander. "What do you mean?"
"The ammunition will be depleted soon. We might not be able to block it. Follow me and prepare to retreat at any time. Don't tell anyone about this."
The Camp Commander's expression was solemn. "You're a talent. I don't want you to die here like ordinary cannon fodder."
Song Shi was puzzled. "We don't have enough ammunition. This place is very close to the base. Can't we replenish it?"
"Now that the entire city is facing the attacks of mutated beasts, ammunition should be placed at the back first."
The Camp Commander gave a cruel fact. This place was actually going to be abandoned.
"Every year, we will make a strategic retreat. In early spring, we will come out again to ensure that the land within the base can grow some food."
The Adjutant explained, "Don't ask too much. The Camp Commander is already very kind to you for being willing to tell you in advance."
"Thanks a lot."
Song Shi tactfully did not ask further. He turned around and returned. On the way, he acutely sensed that some people were packing things.
After returning to his tent, Song Shi drank a tube of nutrient fluid and started cultivating.
Perhaps due to the pressure, as soon as Song Shi exercised, the inner Qi that had been constantly condensing previously underwent a qualitative change. Its volume shrank, and it directly condensed into a red-and-white airflow from the originally colorless chaotic energy. The red was as hot as fire, and the white was as soft as water. They surrounded each other like Taiji and contained much stronger energy.
His inner Qi transformed into Yin-Yang Genuine Qi, and its volume became several times more condensed. Song Shi's Dantian immediately became empty, and the power that had originally filled his Dantian shrank to about 30% of its original strength.
"I didn't expect to break through."
Song Shi smiled. After his cultivation level increased this time, he had Martial Dao Genuine Qi and his strength had increased by another level.
Moreover, the cultivation technique he cultivated was powerful. It was formed from the combination of the Yin-Yang Law and the Martial Dao. The Yin-Yang Genuine Qi he cultivated secretly harmonized with the Yin Yang Dao of Heaven and Earth. Not only could it better strengthen his physique, but it could also help him break through to the Foundation Establishment realm.
