"Knock knock~"

There was a crisp knock on the door outside.

"Mr. Tesla, can I come in?"

"Please come in!" Nico said.

Niko's old place was unlocked, so it wasn't locked when he came to this room last night.

With the click of the door opening, the little goblin he had seen with Nauda yesterday walked in slowly.

To be precise, Niko wasn't sure if it was the goblin he had seen yesterday - he had noticed that almost every one of the dwarfs in the castle complex looked exactly the same, with only a few minor differences.

That's not the point, though.

On the elprechaun's side, a tray floated slowly with some food on it.

Niko couldn't understand how this was done, and he thought of the floating globe he had seen in that office earlier.

Also an anti-gravity technique?

What Niko knew was that if such a technology really existed in the human world, it would have to be an unusually large creation, not such a dwarf smaller than a man.

There is no sign of any mechanical structure on its body.

The plate was placed on the desk by the dwarf on one side, he said.

"It's your breakfast, Professor Stark told you to go to him at eight o'clock in the morning."

"Thank you." Nico said.

The leprechaun bowed to Niko, then walked away slowly.

The leprechauns have lived in the castle since its founding, and the fate of their entire race is tied to Hogwarts, and they know how to treat their students and how to deal with all aspects of Hogwarts.

They live longer than humans, so even some professors in schools don't know more about schools than these goblins.

Some of the "little surprises" left inside Hogwarts at Tony's behest, such as secret passages and secret rooms, no one knows where they are better than them.

Starting next month, his clothes will also be changed to a more Hogwarts-style outfit.

Niko got out of bed and came to the desk, where breakfast was plentiful, a glass of hot milk, a piece of fluffy bread, and some Chinese fritters.

Although Niko's father was a priest, the church is not having a good time now, and he has a large family, so Niko's breakfast in the past was usually brown bread and cheese, and he has never eaten such fluffy boutique bread.

When you bite into it, it has a fluffy texture like cake.

He finished the bread in a few clicks, and took another sip of milk, and the cows that provided the milk were also raised on the pastures on the Isle of Skye, where there was plenty of magic, so the milk also contained a little magic.

After drinking the milk, Niko also felt a soothing sound from all the bones of his limbs.

He is now looking forward to life here more and more.

Over the next few days, the castle responded to his expectations perfectly.

Niko discovers that the castle is far from as simple as he thought.

Sometimes, you think you're completely familiar with the structure of the castle, but the next day, you're lost in the castle again.

The whole castle is like a large labyrinth, with many staircases that are not fixed and move on their own, even the doors.

Niko felt that there should be a pattern to this change, but he didn't have time to explore it.

But fortunately, you can see the little goblins cleaning everywhere, and these goblins will also show you the way - he probably knows the status of these goblins in this castle, and they should be the servants of the real owner of this castle, and they do all the chores.

On top of that, it's not just the stairs that move in the castle, even the portraits move, and some even take the initiative to talk to you.

The first time Nauda heard the man in the painting talking to him, he almost scared his soul.

And these portraits are not old-fashioned "programs" that only have some fixed words, but can really communicate with people back and forth.

They even wondered if there really was a soul sealed in the portrait.

If all of these things can be explained by some kind of science that is ahead of his time, then when he got up one morning, he saw a dragon flying through the sky, which completely shattered his worldview.

This place can no longer be explained by science alone.

Niko also found that he didn't know if it was his delusion, but during the time he lived here, his breathing was smoother, and even if he only slept five hours a day, he was in good spirits.

This is very strange, because according to common sense, the air is very thin at such a high altitude, and the more you stay, the more tired you are, not the more you stay, the more energetic.

On the third day, Niko learned the name of the man in the portrait in the office, Merlin.

It's a very delicate name.

A few decades ago, for some reason, Arthurian legends were sold very well in Europe, including Niko's mother, who was fond of telling him stories about Arthur when he was a child.

So, Niko is no stranger to the name.

So if this Merlin is really the legendary one.

The real name here should probably be called Avalon.

However, Professor Stark apparently did not want to answer these questions, and although he promised to teach his knowledge, he did not accept himself into the world that belonged to "them".

Yes, this is Niko's guess - in this world, or on the other side of the world, there should be such a group of people, who are also human, but have a more advanced level of civilization, special powers, and more advanced technology.

When he told Professor Stark about his speculation, he didn't admit it, but he didn't deny it either.

Of course, Niko doesn't spend much time on this, and his time here is invaluable.

Stark has many years of teaching experience and understands what it means to teach students according to their aptitude.

Niko has a lot of knowledge of basic subjects, so he doesn't have to waste time teaching basic subjects. At most, it is to help him update and correct some knowledge.

At all times, Niko was like a sponge, greedily absorbing the knowledge from Stark, almost to the point of forgetting to sleep and eat.

Tony also had to sigh again and again at Tesla's talent, if it weren't for Tesla's lack of magical talent, he might have been the best alchemist in the wizarding world.

However, this may also be fate.

This legendary scientist is also bound to contribute to the progress of human civilization as a whole.

Fifteen days was not much that Stark could teach, but it opened the door to a whole new world for Niko, taking him to another world in the field of engineering.

Before he knew it, fifteen days had passed almost in the blink of an eye, and if it hadn't been for Stark's reminder, Niko might not have noticed it at all.

Although he was a little reluctant, this was also the agreement he had made with Stark before, so Niko didn't express too much of his desire to stay.

However, Tony still gave Niko a task at the end, which was to use the airship that had crashed in the courtyard of the castle to build an airboat for himself to go back.

And Niko, because of this, has an extra seven days to stay here.

He borrowed Stark's factory, borrowed his tools, some materials, and computers, and soon he was doing the "job".

On this day, Stark arrived at his factory with Nawda.

What appeared before them was a flying instrument that resembled the earliest jets, but more like a glider.

There was no such exaggerated airbag overhead, but the cabin could still be seen to have been modified from the cabin of the original airship, but it had been reinforced, sprayed with red paint, the same color as the wings.

"It's . Airboats? Stark said with interest.

"Of course it is, but I'm too small." Niko hurriedly ran onto the airboat.

He seemed to have performed some manipulation inside, and the wings on both sides were slowly inflated and puffed up, but the arc of the bulge was not large, just to a point that did not affect the overall airflow.

Nico got off the boat and said, "The advantages and disadvantages of the airboat are still obvious, the airboat has a longer stay in the air, and can walk in a straight line, which is easy for the operator.

But the body size is too big, high air cyclones, thunder and lightning, temperature. There are many environmental factors that can affect the flight of an airboat.

So even if an airboat can theoretically sail long distances, it also carries a lot of risks.

So, I reduced the size of the airbag, and although it didn't have the same strong ability to stay in the air as it used to, it also reduced the drag and increased the speed.

But the little airbags left, as well as the design of the glider, also reduce the load on the engines, allowing the aircraft to stay in the air longer and increase the ability to sail long distances.

When acceleration is required, the air in the airbag can be released, further reducing drag. ”

Niko said confidently.

"The gas can be replenished by the air collected during the voyage, and I added an air extraction system that converts the air into the hydrogen it needs."

Tony nodded, the advantages and disadvantages of the airship he said were clear, but.

"So, how are you going to make it fly?"

In history, the development of aircraft will eliminate airbags, but it is not for nothing

Both the glider and the plane need to run to fly, and if the air boat is designed like this, it will definitely not be able to fly through the run-up first, because the resistance is very large and will be affected.

And the shrunken airbags could not carry the cabin into the sky.

In that case, such a design becomes a very chicken four-like.

"That's where the thrusters you gave me are needed." Niko pointed to the thrusters on both sides of the airboat, "The thrusters can move up and down, and the strong propulsion force can directly lift the airboat into the air. ”

Tony's eyes were a little playful, in fact, it stands to reason that such a thruster does not need an airbag.

Because speed is sufficient, try to design the body as streamlined as possible to easily cross long distances.

But it is not enough to have thrusters in an airplane, it requires a very complex aviation system that includes materials such as materials.

Fifteen days is a short time, and it is still a little difficult for Niko to reach heights beyond his time alone.

Therefore, even with such advanced thrusters, the airboat still uses diesel engines, and although it has been modified by Niko, the supply of energy is still a problem.

It's like a tractor with a GTR engine on it, and it's the kind that needs to be powered by a joystick.

This airship can fly, and it belongs to the feeling of flying bricks with great strength.

However, the design of this empty boat is also very suitable for this era.

This combination of advanced and unadvanced has a very interesting punk feel.

"How?" Niko asked, expectantly.

Tony nodded, "Not bad, interesting design." ”

"Have you loaded all the supplies?" He asked.

Nick bowed, "The goblins have all been loaded for me." ”

Tony raised his hand, and the gate on the side of the factory slowly opened upwards, revealing a large grassland flatland.

And the flat land stretches out to the edge of the Isle of Skye.

The factory is not inside the castle, but the entrance is in the castle.

"Then get out of here." Tony said, "The earth is your home." ”

Niko was silent for a moment, "Professor, will I ever see you again?" ”

Tony raised his chin and looked at Niko quietly, and after a moment, he said, "Fate is never absolute, is it?" ”

Niko nodded thoughtfully, and said solemnly to Stark.

"So...... Goodbye, Professor Stark. What you taught me, I will always remember in my heart. ”

Tony had no words.

Nauda said goodbye to him, and walked with Niko onto the airship.

The interior of the airship has also been renovated by Niko during this time.

Of course, he couldn't do this alone, and there were a lot of artificial humans created by Tony in the factory, as well as large, autonomous engineering equipment.

These people were able to fulfill Niko's requirements perfectly.

Niko flipped the button on one side, and the dashboard in front of him suddenly lit up with a green glow, and he first drained the gas that had just been charged, and then pushed the joystick.

With the glow of the thrusters, the airship slowly slid out of the factory.

At the height of the Sky Island, there was no need to even perform the maneuver of take-off, and Niko pushed the putter directly to the end.

The azure glow of the thrusters on both sides shone brighter and brighter, and a powerful acceleration propelled the airship straight into the clouds.

Both Nauda and Niko felt a powerful thrust.

The airboat passed through the clouds, and at the same time Niko pressed the button again, and with the sound of the airvalve, the airbag puffed up, and Niko retracted the putter a little.

The airship glided smoothly through the air.

Strictly speaking, this was the first test flight of the spacecraft.

However, it is not that Nico is bold enough to dare to come to the test flight without flying.

Stark has an artificial brain called a "computer" that has the same ability as his brain to simulate and run in a variety of situations.

According to Professor Stark, the data obtained was almost 100 percent accurate.

Now, it seems, it is.

The air at this altitude is very thin, but Niko has added an air extraction system to the airboat in order to replenish the airbags at any time, and the remaining oxygen in the air will be discharged into the airboat in addition to hydrogen.

So Nauda quickly adapted to the environment of the airboat, and she turned her head to look at the white clouds in the distance who were at the same level as herself.

The Isle of Skye is hidden in the clouds and cannot be spotted at all unless you look closely.

The distant sun shone on the clouds like mountains glowing with golden light.

The airboat traveled through the valley of hills.

Nauda's eyes lit up with a hint of intoxication at the stunning scenery, and she enjoyed the feeling of traveling through the air with Niko in an airboat.

These days, when Niko was rebuilding the airship, she had fantasized about living with him on the airship.

What a romantic thing to travel together on an airboat and to every place in the world.

But Nauda knew it was a fantasy after all, they were both too young, Niko had a family of her own, and she had a bunch of troubles on her side.

"Naouda!" Niko shouted.

Nauda looked up and looked at him with some confusion.

"Take a telescope and see, where are we now?"

Niko pulled down the railing, and the airboat dived down some distance, under the clouds.

The whole land is in their eyes, and the houses below have become models placed on the sand table at this moment, and the mountains, lakes, and plains are all in front of their eyes.

Nauda picked up a telescope from a shelf on one side and looked out of the porthole.

"We're on the right. Seems like there's a long, tall mountain range? ”

Niko thought for a moment, "How tall?" ”

"It's high, probably, a lot higher than what we're flying at right now." Naouda said.

Niko's eyes flickered as he was silent for a moment.

"Nauda, I think, that should be the legendary Oriental Sacred Mountain-the Himalayas."

Nauda had apparently heard of the name of the mountain, and she took a closer look through her binoculars, watching the majestic mountain range covered in wind and snow, rising from the earth as if through the sky.

Perhaps, only the legendary world's first peak can have such momentum.

"We're here so soon?" Nauda said with some surprise.

For people in this world, seeing this mountain is equivalent to seeing Beichen.

"Sky Island is mobile." Nico said.

Nauda was stunned.

Niko handed her a map, "You draw your aunt's house, and I'll send you there." ”

Nauda looked at the map, took Niko's pen, and drew a location on the northwest.

Niko looked at the position, was silent for a moment, did not speak, and continued to control the airship towards the north.

The atmosphere inside the empty question was a little quieter.

At this moment, both of them know that the time for separation may be coming soon.

So for a while, an atmosphere called "sadness" gradually permeated inside the empty boat.

"Niko." Nauda spoke, "Are you still going to clear your uncle's grievances?" ”

Niko was silent for a moment and said, "The great aviation movement caused by the original Sky Island has already destroyed many families, and if its existence is made public, it will not be a good thing for the people on the ground or for the people on Sky Island. ”

His gaze was deep, "When I first landed on this Sky Island, I thought about it a lot. In this world, I may be the only one who is still attached to Sky Island."

"What I want to prove may not be him in the eyes of the world, but him in my heart."

"What your uncle thinks, I don't know. But at least, for me, it doesn't matter if others believe in me or not, it's important that the people I feel important believe in me. Nauda said earnestly.

Niko didn't answer, but continued to maneuver the airboat, he didn't deliberately slow down the speed of the airboat, just went at a normal speed.

A few hours later, they officially entered the territory of Beichen.

They passed by Yili, an important city that was an important city for Beichen to connect Central Asia a hundred years ago, and even today, Beichen has not given up its investment in the city.

Although the city here is not as prosperous as the coastal city, it is also brightly lit, full of traffic, and the buildings are also very ethnic, all of which are a kind of warm color houses, and every household has a small yard.

The vines in the yard are full of trellises, and now the time for the grapes to bear fruit has passed, otherwise you would still be able to see the shelves full of grapes.

The airboat soon passed through the city, and they saw the beautiful Lake Serim, and by this moment the sun had set in the west.

The afterglow of the setting sun swayed on the last tears of the Atlantic Ocean, and a breeze blew through it, sparkling and sparkling.

At the foot of a small hill dozens of kilometers away from the lake, a complex of buildings with a single courtyard stands there.

At the entrance of the courtyard, a woman dressed in a national costume is feeding her horse.

She seemed to have discovered something, and slowly raised her head.

And the big red airboat also happened to land on the grass near her.

Then she saw a man and a woman aboard the airboat, both young and looking to be in their teens.

She stared at the two of them, Niko and Nauda looking at her.

She looked to be about thirty years old, very beautiful, with a high nose bridge and long eyelashes that are unique to the locals.

"Aunt Anning?" Nauda shouted with some uncertainty.

When the woman heard this, the hay in her hand subconsciously fell to the ground, and her face was a little incredulous.

"Naouda?"

Nauda nodded.

An Ning ran over excitedly and took her into her arms, tears rolling in her eyes.

"Kid, I've heard everything about you, it's not easy to go all the way, right?"

She wiped her tears as she looked at Nauda carefully.

"Come, let me see if you're hurt."

"Nope." "I was lucky enough to meet a nice guy who sent me all the way. ”

"Come on, come with me, your uncle-in-law should be happy to see you."

With that, An Ning prepared to pull Nauda in.

However, Nauda turned her head to look at Niko, who was also looking at her quietly, he didn't move.

Obviously, he didn't plan to stay here too long, he had been away from home for too long, and if he didn't go back, his father and mother would be worried.

And if you go in, you don't know how long you'll have to stay.

Nauda apparently understood what Niko meant.

"We." Nauda was silent for a moment, "Will we meet again?" ”

"Ten years." Niko looked at her, "Within ten years, my name will surely resound throughout the world, and at that time, you will come to me." ”

There was an absolute confidence in his eyes, as if he had seen the future a long time ago.

And Nauda, who had also been to the Isle of Skye with Niko, also saw that future

Her mood stirred, and then she smiled.

"Okay."

With the separation of the two, the fate of this world,

It will also completely turn into another unknown direction

(End of chapter)