"Roar!" Amidst the ferocious roar, a ferocious claw flashing with cold metallic light quickly attacked.

"Dodge!" The fierce wind hit, and several figures scattered in all directions.

"Boom!" The sharp claws hit the ground, causing the earth and rocks to collapse and crack. The force of dozens of tons was suppressed, directly moving a small mound under everyone's feet to flat ground.

Seeing the attacker's image clearly, the students couldn't help but take a breath.

Nearly thirty meters tall, its thick hind limbs stand upright. Although its two front claws may not look big, they are extremely powerful. One blow can destroy a giant tree four to five meters thick. Its claws are sharp and its huge and ferocious head The last pair of green beast eyes shone with ferocity and cunning.

This is a creature that looks like the dominant Tyrannosaurus rex in the Jurassic era of the earth, but it is far more powerful and ferocious, as can be seen from its fifteen-story-tall body and the dense metal armor covering its body.

"Everyone, be careful! This is 'Steel Greymon', a three-star high-level space beast that requires at least a fully armed regiment-level interstellar force to fight against." Among the scattered students, Joanna said loudly with a calm look.

Since humans entered the interstellar age, for thousands of years, in addition to contacting various alien races with their own civilizations and living in ethnic groups, they have also encountered another type of space life that is countless and as diverse as the stars. body.

Over countless years, these life forms have evolved based on instinct and chance. Although some beings are not weaker than any interstellar civilization in intelligence, those groups that have not developed a unique civilization are all called space star beasts.

Within humans, what can be called space beasts range from cute pets in the hands of ordinary human children to ultimate life forms that can physically cross the universe and fight against super fortresses built by intelligent creatures. They are incredibly powerful and powerful. The threat level is even more different.

After countless hours of exploration and discovery, various interstellar races have been classified one by one according to the cataloged space star beasts, and are carefully divided into eighteen levels, and are marked with asterisks according to their strength.

Generally speaking, one-star star beasts are harmless types. Although one-star star beasts are similar to large beasts from uncivilized planets, ordinary humans can tame them with some time.

But the two-star star beast is completely different. It already has a certain degree of lethality. Even if a low-level two-star star beast accidentally enters the living area, it can easily cause huge casualties to ordinary people.

As for the three-star star beasts, although they cannot leave space and their strength is limited to the "black iron level" of the inland level, they are already part of the legion confrontation sequence, and their strength is far different from that of the two-star beasts.

The "Steel Greymon" in front of us, with its hard steel armor and terrifying tonnage of up to thirty meters, is known as the overlord on land. Its destructive power on the ground can even compete with the four-star lower star beasts. .

A few days ago, shortly after a group of Klein Academy students left the battleship, they headed straight across the forest to the Steel Fortress. Unexpectedly, they plunged into the lair of a pair of "Steel Greymons".

"SteelGreymon" has a strong sense of territory and immediately attacks strangers upon smelling their scent.

"Damn it! Why is there a powerful star beast like Steel Greymon on the outside of the 'Steel Fortress'!" A student drew a huge arc in the air and narrowly escaped the attack of Steel Greymon's claws, shouting loudly road.

"Because, this is the 'appetizer' that the other party welcomes us!" Rocky laughed wildly and revealed the "truth" in one sentence. He jumped up high and suddenly slashed the steel armor on the back of one of the tyrannosaurus beasts with a sword. On the ground, sparks flew everywhere, and the giant sword's blade quickly shattered the surface of the steel armor and penetrated three-thirds of the flesh.

The Tyrannosaurus roared in pain and whipped the "hateful bug" that dared to harm it with its tail several dozen meters away.

Rocky groaned, and his whole body flew out like a cannonball, breaking several big trees in succession, and finally slipped down in the middle of a tree trunk.

"Hahaha! It's great!" But from the way he was vomiting blood and laughing wildly, we knew that his injury was not serious.

But when Rocky wanted to stand up, he found a sharp pain in his right leg, "Uh, the bone is broken..."

However, with him as an example, the other students used all their firepower, bombarding them with weapons containing extraordinary power and various high-energy weapons, and the overflowing power left a wave of force that turned the ground upside down.

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"Ho! Roar!!"

The continuous blows finally angered the Steel Greymon. A hot flame more than ten meters long spurted out from its huge mouth. The smell of oil and sulfur mixed with it ignited half of the forest in an instant, and the fire burned ragingly.

As if it caused a chain reaction, another SteelGreymon also sprayed flames. The two students were unable to avoid it, and they were immediately covered in flames and screamed when they fell to the ground.

Greymon's breath stopped, and the surface of the steel armor became much darker, obviously losing a lot of energy.

"Opportunity!" From the top of a tree in the distance, Joanna shouted lowly, and suddenly flew up. The combination of the melt beam gun full of high-tech beauty in her hand changed, and the endless firelight from the gun's muzzle gathered, as if there was a sun rising slowly. rising.

"Boom, boom, boom..." The next moment, a dozen round-table-sized molten fireballs shot out, dragging streaks of fire in the air, all covering the huge body of Greymon with incomparable accuracy.

When the dust and smoke dissipated, the Tyrannosaurus Beast was scorched black and covered with scars. Although it was seriously injured and dying, it aroused its ferocity and crazily destroyed everything around it.

"Such a powerful vitality!" A fanatical fighting spirit flashed across Joanna's face. She rushed forward and was about to take a follow-up shot, but she was shocked to find a figure faster than her.

"Chi" made a sound like a table knife cutting into hot butter, and a ten-meter-long electromagnetic light blade flashed past the Tyrannosaurus' neck.

The Tyrannosaurus suddenly stood upright, and in the next moment, its huge head slipped from its neck, the incision was extremely smooth, and blood flowed like a waterfall.

Alex Shishiran sheathed his sword and nodded to Joanna who hurried over. "Good cooperation" caused the other party to snort coldly.

This sword also attracted the attention of Academy Principal Rose Beard, who was standing with his arms crossed in mid-air and had been watching the battle since the beginning. He glanced at Alex thoughtfully, looking thoughtful. .

On the other side, with the cooperation of more than a dozen students, and after paying the price of minor injuries to four people, including Rocky, who had a broken leg, they finally worked together to kill another Greymon.

Fortunately, apart from a few injured unfortunates, there were no casualties.

However, after this battle, all the students knew: the explorer assessment has begun!

"After solving the problem, let's move on." Rothbeard glanced at everyone and continued to fly forward.

Everyone looked at each other and silently followed him towards the fortress, including several injured students who followed the main force after treating their injuries for a while.

After everyone killed two tyrannosaurus beasts, the first stage of the assessment came to an end temporarily. In the next few hours, everyone traveled through the vast forest without any danger.

When everyone flew out of the forest at their feet and stood in front of the steel fortress, what appeared before everyone's eyes was an extremely majestic scene.

"Steel Fortress, Steel City..."

The steel city that spreads out from under the Tower of Babel covers an unknown area. The outermost perimeter is a ring of steel-cast city walls. It is about a hundred meters high and more than five hundred meters wide. It is black iron in color and exudes a heavy feeling. There is an air of cold steel, and a huge iron triangle emblem is inlaid above the main door.

Human beings stand at its feet, as small and powerless as ants.

"Welcome to the Tower of Babel Steel Fortress, students of Klein College." What greeted them was a tall and thin robot with a life-like proportion, a metal bald head and electronic eyes.

"Hello everyone, I am Arnold. I will lead you to the lounge now. The assessment will be held in three days." After Arnold finished speaking, he ordered the automatic suspension car next to him to stay next to everyone. After everyone got on the car, The body shook and transformed, transforming into a small aircraft and flying towards the city.

Through the windows on both sides of the hover car, you can see countless steel-cast buildings rising from the ground inside the city wall, guarding the central tower like stars over the moon. There are turrets in various defensive positions in the city, and electromagnetic apertures flash across the sky. A vast land.

In the sky above it, various steel battleships are constantly taking off and landing. There are small private shuttles several meters long, as well as giant battleships dozens of miles long, with a hundred thousand humans living on them. Being accommodated by this city, people can feel its majesty and shock even from far away.

What filled everyone's eyes was a world of black iron and silver.

The rest area is located southwest of the outer city of Babel Fortress. It is a two-hundred-story skyscraper. When they arrived, someone had already moved into the building. They heard the robot Arnold introduce that this group of people were of the same nature as them and were the rest. The explorers of the human planet assess the students.

It is said that the explorer students who came to the Steel Whirlpool Galaxy "Babel Fortress" to take the assessment this time came from forty-five human administrative stars and fifty major colleges and universities, with a total number of more than nine hundred, which is the largest number in the past years. most of the year.

In the hall on the first floor, human students dressed in different styles can be seen everywhere, either sitting on the sofa chatting and drinking tea, or leaning on the metal pillars, looking in the direction of the door boredly. From Alex's perspective, this Everyone in the group has a strong aura, and they are not simple guys.

"This is the competitor for this assessment." Everyone's eyes met, and there was a faint flash of lightning.

Twenty students from Klein College occupy the entire middle floor of the building, which is still relatively small. It is said that the largest college alone occupies more than five floors, and the total number of students exceeds one hundred.

Among the many explorer academies in the nearby star fields, Klein Academy can only be regarded as a mid-range level, which can be seen from the assessment results in previous years.

For the next three days, Alex stayed at home and even had meals brought to his room by robots. During this period, he did not continue to practice. Most of the time he just sat and meditated in the room, eliminating distracting thoughts and adjusting himself to The most perfect state.

Some of the other students at Klein Academy stayed in the room like him, while others went around to connect with each other and even get to know each other with students from other planets.

All the deans of the various colleges turned a blind eye to these, except that they appeared once on the first day and then disappeared. It was said that they entered the inner area of the Steel Fortress and allowed the students in the school to move freely.

Soon, the time for the explorer assessment finally arrived!