Qin Bai was unaware of this; he was simply observing quietly.
The burly man whispered, "New recruit, you may not know this, but generally speaking, defensive lines are very difficult to destroy. The only way to destroy them is to attack from the inside."
"Our defenses were suddenly destroyed, most likely because monsters infiltrated our ranks. These monsters are usually parasitic, very rare, and very difficult to find."
“For those of us who survived, we have to go through rigorous checks to make sure we haven’t been parasitized before we can be put in. But right now, what we lack is time.”
The monsters surged up right behind them.
Their only way out now is to forcefully attack the city.
But by doing so, they essentially destroyed humanity's last line of defense.
For a moment, Zou Jianglin was caught in a dilemma.
Even though he's a max-level expert, he can't be a traitor to humanity.
Left with no other choice, he turned to look at the soldiers who had come with him.
"Everyone, please follow me and destroy those monsters."
The soldiers didn't speak, they silently turned around, knowing they had no way to get into the last line of defense.
It could be said that their only use now is to kill as many monsters as possible before they die.
Qin Bai was a bit annoyed, though, because he wasn't a warrior here; he was just here to participate in a dungeon run.
If he were to actually fight the monsters behind him, he would eventually exhaust his strength and die.
"This is a single-player instance, so it's impossible for it to lead to a situation where death is inevitable. There must be some way to break the current situation."
Qin Bai hurriedly searched for a way to resolve the situation, but even as the monster charged and a battle broke out, he still couldn't come up with a solution.
Qin Bai had no choice but to temporarily abandon his thoughts and focus on the battle. However, this time he was not as fierce as before, and instead prioritized conserving his energy.
It was clear that the human warriors were at a disadvantage. They had just escaped from the previous defensive line, and their numbers were insufficient, coupled with the overwhelming number of monsters.
In less than an hour of fighting, many of them had already died.
Even the burly man was injured, but he seemed to have medicine to treat his injuries, so he could hold on for the time being.
"The reason the defenses won't let us in is because they're most worried about the parasitic monsters hiding among the people. If we could find these parasitic monsters, wouldn't we be able to get in?"
With this in mind, Qin Bai began to think about how to find parasitic monsters.
Even the defensive lines couldn't find those parasitic monsters, indicating they were well hidden, but...
He also had an item in his hand: a magical eye drop!
This thing can see the true nature of superpowers, so it can naturally also see parasitic monsters.
Qin Bai had previously discovered that there seemed to be no superhumans in this place, only various job changers.
Thinking of this, he found a temporarily safe place, applied eye drops to himself, and then looked around.
Sure enough, in his eyes, some people's appearance changed; they became half-human, half-monster figures.
Without further hesitation, Qin Bai went straight to Zou Jianglin's side and shouted, "Sir, I have something that can find the hidden monster!"
Zou Jianglin's expression changed, and he shot and killed the monster in front of him. He then came to Qin Bai's side and asked, "Are you telling the truth?"
Why can't they go in? Isn't it because they can't find the hidden monster?
"If you put this in your eyes, you'll be able to see hidden monsters."
Qin Bai handed over the miraculous eye drops. Fortunately, there were also various other items available, saving Qin Bai the trouble of explaining.
"If we get back safely, you'll have done a great service!"
Zou Jianglin immediately went back and spoke to Wan Zhong, a max-level player on the city wall, and then the soldiers heard the sound of retreat.
They were overjoyed, but also puzzled. Why were they being told to retreat at this time? Did it mean they could go back?
The soldiers instinctively began to retreat. Before, with no way out, they could only fight to the death, but now that they could go back, no one wanted to die.
Finally, they made it inside the city gate alive, looking like they had just escaped a disaster.
But at that moment, Zou Jianglin made a sudden move and killed some of them, which terrified them.
"Commander-in-Chief, what is this...?"
Those people were terrified, thinking that Zou Jianglin had gone mad.
"Don't panic. Those I just killed were people who had been parasitized; they had actually become monsters."
Zou Jianglin explained.
"Commander-in-Chief, have you spotted the parasitic monster?"
Some people were taken aback.
"It wasn't me who discovered it, but this recruit. It was the items he gave me that allowed me to find these hidden monsters."
Subsequently, Zou Jianglin used the potion to find the monster hidden in the last line of defense, completely eliminating all the hidden dangers in the last line of defense.
This time, Qin Bai has done a great service!
He directly received 100,000 battle merits, a number that would have taken him a long time to achieve on his own.
One hundred thousand battle merits can be exchanged for many good things, which makes many people envious, but there is nothing they can do, since Qin Bai has indeed made great contributions.
If it weren't for Qin Bai, they might have died in battle outside instead of safely reaching the last line of defense.
It could be said that each of them owed Qin Bai a life.
Qin Bai also took advantage of this achievement to be directly upgraded and changed into a different combat uniform, no longer wearing the white combat uniform that represented a new recruit.
At the same time, Qin Bai also learned more information.
There is only one country left in this world. This line of defense is the last line of defense. Behind it is the last human nation.
Not only that, he also learned a devastating piece of news from Zou Jianglin: the world should have been destroyed by monsters long ago.
The reason they can still hold on for the time being is simply because the monsters and humans are playing a game.
The game revolves around humans building lines of defense, while monsters attack and break through those defenses.
Initially, there were ten lines of defense, but now only the last one remains. They all know that this last line of defense won't last long.
Humanity will perish sooner or later.
But they were unwilling to accept this situation and wanted to break it. However, even as top-level players, they were unable to deal with the astonishing number of monsters.
"Don't you find it strange that I'm telling you this secret?"
Zou Jianglin looked at Qin Bai, while Wan Zhong sat beside him; there were only the three of them in the room.
Qin Bai nodded without saying anything.
"The reason is simple: I only recently realized that you are the only savior of this world!"
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