"What is this?" Harry looked at the blue ring Roger handed him, a hint of confusion in his eyes.
"It's a little gadget I made based on the principles of the Second Brain," Roger explained.
The Second Brain could provide users with absolute memory, thought acceleration, and other functions. In its failed version before last Christmas, it even had a spell-assist function.
However, Roger had deleted this design, believing it would hinder a wizard's growth potential.
Later, when virtual reality technology was created and Roger needed some technical laborers, he picked up this technology again. After some modifications, it became the 'Data Memory Unit' that Harry now held.
The Data Memory Unit had many functions reduced, and its manufacturing process and materials were far less than the Second Brain. Its main ability was to allow the user to instantly master a piece of knowledge.
For example, with piano playing, the moment you use it, you would know how to play the piano, but your limit would be the level endowed by the Data Memory Unit. It was like a built-in fast search engine; the knowledge belonged to the memory unit, and there was always a layer between it and the user, not quite seamless.
Therefore, it was just a low-end learning aid. Applicants for the Subspace Magic Technology Company still had to undergo training, cultivate their thinking and cognition, and gradually transform the knowledge in the memory unit into their own.
But the memory unit was still very useful in some situations, such as now. After Harry put it on, he found that no matter what language people around him were speaking, he could understand it.
"Roger, you're just like Doraemon, always coming up with all sorts of amazing things." Harry rubbed the ring in his hand, looking at the bustling airport around him with amazement.
Doraemon, created in 1974 and already popular worldwide by 1992, was known even to Harry.
"Not at all, I'm far from it. Doraemon's gadgets are more magical than magic," Roger knew his own limitations.
Bamboo-copters were one thing, but the Anywhere Door with a 10 light-year range and theאם Telephone Booth were realms that Roger felt he might not reach even after hundreds of years.
In this world, the thoughts of intelligent beings indeed held power, but this power also had its limits.
Just like how people believed the sun and moon were special, giving them mystical properties, but ancient people believed the world was round and square, and the world didn't actually become round and square.
Alaya Magic was not omnipotent either.
Roger looked around after getting off the plane, just like Harry.
But in his eyes, there was no amazement, only nostalgia. He remembered how, shortly after arriving at the airport in Britain, he was arrested by the Ministry of Magic.
"No," Harry shook his head.
"The most precious thing about Doraemon isn't how powerful his gadgets are, but that he's willing to help Nobita, solving many of his problems and bringing him happiness." In Harry's eyes, power wasn't that important.
Harry needed power, but he wasn't obsessed with it.
He valued other things more.
...
"Hello, it's a pleasure to serve you. My name is Charlotte, Charlotte Krause."
As they exited the airport, a tall, blonde, blue-eyed woman in casual wear, with fair skin and appearing to be between twenty and thirty years old, walked towards them and extended her hand.
"Hello, Roger Virgil." Roger shook her hand lightly.
"Hello, I'm Harry Potter." Compared to Roger's natural demeanor, Harry seemed a bit reserved with the stranger in front of him.
"Shall we go to our accommodation first?" Charlotte suggested.
"No, let's take a walk first," Roger shook his head.
The woman before them was someone Roger had contacted before landing in Germany.
Given his identity, appearing in this country undergoing immense changes, especially now, less than half a year after Grindelwald's escape, when everyone was sensitive, could easily stir the nerves of certain individuals.
To avoid causing any further trouble, Roger had directly contacted the local Ministry of Magic to report his arrival.
The Ministry, in turn, had arranged a 'guide' for Roger.
This guide was Charlotte Krause.
A witch from a Muggle family, and an employee of the German Ministry of Magic's Department of International Magical Cooperation.
Roger hadn't refused. On one hand, it was a matter of politeness, and on the other, having an adult around often saved a lot of trouble. Two eleven or twelve-year-old children traveling alone would find some places inconvenient.
"Are there any large supermarkets or commercial streets around here?" Roger asked.
"Of course, please follow me." Charlotte flashed a beautiful smile, but her gaze was fixed on Roger.
She didn't have much of a sense of the Boy Who Lived from the British wizarding world, as Voldemort hadn't attacked Germany.
However, the word 'Seer' was almost giving German wizards PTSD.
Grindelwald had killed too many people in the past, it had become a collective memory of an era.
Charlotte didn't know much about Roger, but the fact that he was a Seer, and his alleged experience leading a force through the entire Gulf War at the age of 10, was enough for her to be on high alert.
Before accepting the task, her superior had specifically instructed her to arrange things well for this young Seer, but also not to let her guard down.
"Are you buying souvenirs? Isn't it a bit early?" Harry, knowing that Roger's backpack already contained a lot of luggage thanks to a space-stretching charm, understood that Roger wasn't lacking anything.
Roger, walking along, said, "No, this is part of a social survey."
"The local production and trade levels, and the living consumption status of the people, will all be reflected in large supermarkets and commercial streets."
"Rather than relying on meticulously presented reports and data, going among the people is the best way to see everything." Roger believed in his own observations more than 'statistical moments of charm.'
It was like during World War II, when a so-called spy, by analyzing theater performance schedules, train timetables, magazines, and other miscellaneous information, was able to roughly deduce the movements of the German army.
In the silence, hear the thunder.
...If Roger had to describe the business environment of West Germany in one word, it would be dazzling or flourishing.
"This place is even more prosperous than near my home," Harry said sincerely after looking around.
In 1991, West Germany was the world's third-largest economy, while Britain ranked sixth, and the ancient Eastern country was eleventh at the same time.
Its goods were quite abundant and varied.
Before the reunification of Germany, West Germany's economy was in the top four, while East Germany's was around twelfth.
This was not only due to the significant invisible support West Germany received as a showcase for the capitalist route, but also thanks to the issue of division at the time.
After Germany's defeat in World War II, Berlin fell, and the country was once again dismembered, divided into two.
The eastern region, led by the Soviet Union, established the German Democratic Republic and adopted a socialist route. The west was divided among Britain, France, and the United States, establishing the Federal Republic of Germany and adopting a capitalist route.
At that time, East Germany was reduced to ruins by the war and also faced demands for war reparations from the Soviet Union.
West Germany, on the other hand, was relatively well-preserved. At the same time, some important rich resources and several key seaports were in West Germany.
The imbalance in the development of the two Germanys was laid the foundation for a long time ago.
It was not just a matter of resources and political routes; there were also issues of reckoning with former rulers, but that was more complicated.
"Speaking of Germany, this is indeed a place that must be visited." After finishing his observation of the commercial district, Roger had a general basic understanding of the situation in West Germany.
Now, all three of them, Roger, Harry, and Charlotte, had candy in their mouths, standing before a ruin.
Where did the candy come from? They felt it was a bit strange to just browse the store without buying anything, so they bought some on impulse.
"The Berlin Wall!" Roger rushed up the crumbling remnants in a few steps and, standing on the centerline, gazed at East Germany on the other side.
Behind him were Harry, Charlotte, and the car she had driven.
Although she was a wizard, she was Muggle-born and knew how to use Muggle items.
"If you want to see the Berlin Wall, why come here instead of the memorial park?" Charlotte asked, a little confused.
The Berlin Wall was part of the border defense system between the two Germanys. On both sides of the wall were border guard posts and watchtowers, stretching for nearly 160 kilometers, to prevent the free movement of people between the two Germanys... This was the situation before two years ago. With the reunification of Germany, the wall had been demolished by the people and the government.
Only a small section in the memorial park was preserved as it was.
Most of the Berlin Wall had disappeared, but in some less-trafficked areas, the cleanup was not thorough. There were still some broken bricks and rubble, standing in ruins, like the spot Roger was standing on.
"There are too many people over there, and it's inconvenient to use magic," Roger withdrew his gaze and looked at Harry.
Snap! With a snap of his fingers, after casting a confusion charm similar to the one around The Leaky Cauldron to prevent any disturbance here from being noticed, Roger said to Harry, "Let's begin, as we agreed."
Not out of malice, the confusion charm that partially obscured presence was one of the few spells that did not violate the Statute of Secrecy and could be cast on Muggles.
After all, some places needed to be kept secret.
Charlotte noticed Roger's spellcasting and was instinctively startled.
Large-scale wandless spellcasting! This was something most adult wizards couldn't do, and he was only a first-year at Hogwarts? Is this... the Seer? At this moment, her perception of Roger became more three-dimensional.
"Okay," Harry nodded, then took out his wand and, as Roger had taught him, swung it.
[Time Phantom Shuttle]
This magic was essentially an extension of the Time Cinema Charm, still not involving operations that changed the past.
The Time Cinema Charm used the object being cast upon as a coordinate to extract the film reel of time and play back the events the object had experienced.
The Time Phantom Shuttle, on the other hand, used an entire fixed-parameter space as the coordinate for the spell.
The magic's brilliance bloomed, and countless illusory film reels were drawn from the void, densely wrapping around them like chains.
"That's right, the next step is from two dimensions to three," Harry muttered, still unaccustomed.
He swung his wand again.
The film reels intertwined, and under the effect of magic, phantoms appeared. Not only images but also sounds traversed time and reached the ears of the three people present.
Cheers, whistles, people holding cameras to record these precious images. Young people from East Germany reached out and pulled young people from West Germany onto the wall. One held a hammer, and the other held a pickaxe, and amidst the applause and excited screams of the surging crowds on both sides, they fiercely smashed the high wall that had divided the country and the nation.
The solid brick and cement wall was clearly not something two young people could easily knock down, but cracks had already appeared under their hammering.
More and more people, lifted by the crowds below, climbed onto the wall from both sides. They placed their legs on both sides, with one foot in East Germany and the other in West Germany, sitting on the wall and laughing heartily.
"That's more like it, witnessing famous scenes, that's how traveling is fun," Roger said, extending his hand. His palm passed through the phantom of the youth riding on the wall, like a high-five across time and space.
After the spellcasting, Harry stared blankly at everything before him, stunned by the unprecedented surging scene.
"Harry, it's not over yet. In a while, let's watch together how this wall was built and what it has experienced over the years," Roger said with great interest.
As for Charlotte beside him, her beautiful face was initially filled with the same blankness as Harry's. As a German, she had witnessed the scene before her with her own eyes. For a moment, she felt as if she had returned to two years ago.
But soon, realizing what these two children were doing, her expression changed from shock to horror! Magic to observe the past! Charlotte's breathing hitched, and she inwardly cried out that this was bad!
All sorts of secrets and lies would be exposed under this magic, and the truth would appear directly before everyone.
This kind of magic appearing in Germany at this moment, she seemed to smell the scent of blood and storms.
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