The wind howled, and the invisible sand and dust covered the sky, as if the apocalyptic scene enveloped the ancient city.

A bloodstained teenager looked up at the sky, looking at the apocalyptic scene, and fell into memory.

This is the first sandstorm this month, the sixth or the seventh, and I can't remember the exact number of times. But he knew that since the invasion of the Black Prison ten years ago, Sandstorms had been a regular visitor to the city.

The monsters suddenly appeared eleven years ago, and after they appeared, they began to attack Stone Realm City frantically, and no one knew where they came from. It is only known that all the living beings that these people can see are food, whether they are plants or animals, on their diets.

Looking at the yellow-brown sky, Iron Slaughter Prison was blinded, just now he had just survived the attack of the Black Prison alien race, but the others were not so lucky.

Those friends who studied and lived in the same academy with him, those friends who grew up together, his childhood sweethearts, so there were people he knew, people he loved, all of them were buried under the hands of the Black Prison alien race and became their rations.

"Everybody's gone, I'm the only one left...... Why can't you kill these damn bastards? Iron Slaughter pounded his hand against the wall in anger, but that didn't change anything. Only the pain in the palm of his hand could relieve the sadness in his heart a little.

"These bastards, I must make you pay for your blood debts, and I want you to pay the price!" Iron Slaughter gritted his teeth and swore an oath.

The Black Prison Alien Race, a monster that suddenly appeared around Stone Realm City eleven years ago. They are saddled in size, formidable strength, and fearsome immunity to spells.

As soon as this group of giant monsters in black scale armor appeared, they began to launch a crazy attack on the surrounding area. The rich forests that used to surround them were gone, and the villages that had lived by herding cattle for generations were gone, and all the rest of the land was turned into endless yellow sand, except for the only remaining pure land in Stone Realm City.

These crazy monsters have unimaginable appetites, and in order to survive they devour everything around them in a frenzy, they have destroyed this otherwise rich land, turning him into a dead desert.

After eating everything around them, the Black Prison Alien Race shifted their target to the people of Stone Realm City, and for this reason, they will attack Stone Realm City at any cost every year.

In the beginning, with a strong army, Stone Realm City narrowly defeated the enemy and protected the people of the city. After defeating the enemy, the army of Stone Realm City began to search for the place where they appeared, hoping to wipe out these monsters at their roots.

But in the end they failed, and these guys appeared as if out of thin air, and the army set off without even finding each other's lair.

On the other hand, the Black Prison Alien Race gathers tens of thousands every year to attack Stone Realm City. It's as if you can't kill all of them.,When you hit a wave, another wave will grow.,The speed of proliferation is amazing.。

Every time the Black Prison alien race was defeated, Stone Realm City had to sacrifice a large number of soldiers, but as time passed, Stone Realm City gradually grasped the weakness of the Black Prison alien race.

These monsters are very resistant to spells, so the only way to bully them is to use physical attacks. And the scale armor on their bodies is very smooth, and ordinary swords will be slid away, so you will deal effective damage. The strength of this creature is so high that the pestle on the ground is like an iron tower, which can effectively stop the cavalry charge.

With years of combat experience, Stone Realm City began to change its army in order to better defend against the Black Hell alien race.

After a series of changes, Stone Realm City eliminated most of the troops, leaving only the infantry in close combat, and the weapons were replaced with heavy weapons such as hammer axes.

But even so, Stone Realm City struggled to parry, knowing that the monk had developed a new potion, the Rock Elixir.

This kind of requirement can greatly improve the physical fitness of the soldiers, increase their strength and resistance to blows, and the strengthened warriors can effectively fight against the Black Prison alien race.

Moreover, the effect of the configuration is different according to the different drugs that are equipped with the potion, and the top-level medicine machine can even give the warrior the power to crush the black prison alien race.

However, this power does not come without a price, and the higher the enhancement effect, the greater the side effects. The side effect of the Rock Elixir is the reduction of life expectancy, and no one who has used the Rock Elixir will live past the age of 50. If you use the most effective rock elixir, the average person will not live for five years.

Just a few days earlier, the Black Prison had launched another massive attack, this time breaking through the western gates and reaching under the walls of the inner city, before being expelled by the army after much difficulty.

……

"From today on, my name is Iron Slaughter Prison, as long as I still have a breath left, I will kill all the Black Prison alien races, and ask them to pay for their blood debts!" Iron Slaughter Prison knelt on the ground alone, shouting in pain.

"High sunspots, clouds, clouds, ancient calamities...... I will avenge you. ”

Just a few days ago, when the Black Prison was attacked by aliens, the Iron Slaughter Prison escaped because it was greedy for fun and skipped class, and it was not in the breached city.

When he returned to his academy and saw the mess and blood everywhere, at this moment, it was as if the sky had fallen.

As if he had lost his soul, the Iron Slaughterer came to the door of the barracks, fell to his knees with a thud, and begged the soldiers at the door:

"Please let me in, I want revenge on my friends, I must avenge them, so please give me the strength to kill those monsters."

"Kid, you're too young to join the army! The battlefield is too cruel for you, go back! I can understand how you feel right now, every one of us hates those monsters so much, but you're really too young right now. The guards at the gate of the barracks reassured. In the past ten years, the Black Prison alien race has not known how many sacrifices have been caused, and almost every day there will be people who want to join the army for revenge.

This is both a good thing and a bad thing. Hatred is like a flame that consumes everything, it can be used as a motivation for people to become stronger, and it can also be used to completely crush a person.

"No, I've made up my mind. Believe me, I've had a lot of strength since I was a kid, and I can definitely kill those monsters, and I hope you'll let me join, no matter what. Iron Slaughter begged.

"No, it can't be. It should be our duty for our children to protect you, and as long as we still have a breath of air, we will not let you set foot on the battlefield. Defending the country is the business of us men, you should learn the art and try to find a way to eliminate them completely. Said the guard warrior.

After a long period of pleading, the Iron Slaughter Prison's request was still not granted, and in the end she left disappointed.

Looking at the back of him leaving, the soldiers guarding were full of emotion, and at the same time, it also increased the anger in their hearts, these beasts!

But they didn't know that there was another person who was also sighing. This man stood in the street in the open, but the passers-by around him seemed to not see him, and they were familiar with him, and some even passed directly over him.

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