The entire wizarding world was like a boiling cauldron, with angry roars, curious whispers, and cautious analysis all tangled together.
But no matter how piercing the opposition became, the proposal parchment bearing Lucius's signature had already been delivered by magical messengers into the fireplace of every wizarding household, signaling that a brand-new, unknown era was slowly beginning.
Ever since the proposal to introduce technology from the Muggle world passed, Hogwarts, as the front line for bringing in Muggle technological creations, had undergone earth-shaking changes in just two short weeks.
When the first ray of morning sunlight pierced through the mist of the Forbidden Forest, the spires of Hogwarts Castle shimmered strangely in the dawn light.
A new day had only just begun. The sky was gradually brightening when a soft click sounded in the corridor of Gryffindor Tower.
Hermione Granger instinctively stopped and looked at the silver-gray lamp embedded in the stone-carved patterns above her head as it slowly lit up.
It was not the flickering warm yellow of candles, but a steady, gentle white light that flowed down along the grooves in the stone wall, just enough to illuminate the open book in her hands.
"It lit up again." Ron Weasley's voice came from behind her, still a little muffled with sleepiness. "What's going on with these stupid lights? Last night when I got up to use the bathroom, one followed me all the way down the corridor. It was like a ghost I couldn't get rid of."
Hermione closed her book and lightly brushed her fingertips over the faintly visible runes around the edge of the lamp.
Professor McGonagall had installed those motion-sensing lights last week with several Ministry officials, saying they were a combination of Muggle technology and magic.
"This lamp can sense the heat of living creatures," she said, looking up at it with a faint smile. "As long as you walk nearby, it will light up. And it's much brighter than candles, isn't it? Plus, it won't be blown out by the wind."
Ron curled his lips, pulled a crumpled piece of bread from the pocket of his robes, and took a bite.
"I still prefer candles."
As he spoke, he dodged aside to avoid a second-year student sprinting past with a stack of books in his arms. In addition to parchment notebooks, the student was also carrying a palm-sized silver tablet.
"Careful, Neville!" Hermione called out.
Neville Longbottom slammed on the brakes, and the silver tablet in his arms almost slipped out.
Reminded by Hermione, Neville blushed a little.
"Sorry, Hermione. I'm rushing to the greenhouses to find Professor Sprout. This..."
At that moment, Ron noticed the silver tablet in Neville's arms and the various words displayed on it. Curious, he asked, "Neville, what's that silver tablet you're holding?"
Neville raised the tablet in his hand. The screen was displaying dense herbal diagrams.
"It's a magic tablet Harry invented. It went on sale a week ago. My grandmother bought me one. I used it to look things up last night, and it was much faster than flipping through books!"
Ron immediately looked depressed. Of course, he had heard of the magic tablet too, but the Weasley family was famously poor, and Mrs. Weasley had no intention of buying tablets for them.
Still, Ron did not stay too depressed, because Harry had once told them he would give them some cutting-edge technological creations.
This tablet was probably one of them.
It had now been two weeks since the Ministry began pushing forward the proposal to introduce Muggle technological creations.
The changes at Hogwarts were like mushrooms after the rain, quietly sprouting from the cracks between the stones.
The long tables in the Great Hall now had glowing information boards that displayed the day's menu and announcements in scrolling text.
Even the Potions classroom had begun changing a few days ago.
A silver-gray scale had been placed on every desk, and Professor Snape explained with a stiff face, "This scale is accurate to three decimal places. Starting now, you will use these scales in class.
"You must understand how to use these technological scales during this lesson, or you can wait to lose points."
At that moment, Harry also came to the Gryffindor common room, and the three of them chatted as they headed toward the Great Hall.
When they entered the Great Hall, the Weasley twins were causing a lively scene beside the Gryffindor table.
George was holding a small metal cube, fiddling with it while pointing it at the magical starry sky on the ceiling.
"Look, this thing can store whatever it sees!"
He pressed a button on the side, and the cube let out a soft click. "Muggles call it a camera, but I added a Developing Charm to it, so the photo comes out directly after it's taken."
When Fred saw Ron arrive, he snatched the camera and aimed it at him. "Let's get one of Ron! Just look at that dumb face while he's eating bread!"
"Get lost!" Ron reached out to grab it, only for bread crumbs to fall all over his robes.
After the commotion, Ron's gaze was drawn toward the Ravenclaw table.
Several girls were gathered around a Muggle-born girl, watching her use a thin metal stylus to write on a tablet. When the tip of the stylus brushed across the screen, it made a soft scratching sound, far cleaner than a quill.
"Honestly, that thing is way more convenient than parchment," Ron said enviously.
Harry noticed the emotion in Ron's eyes and could not help slapping his own forehead. He took two tablets and a few small phones from his Pocket dimension and handed them to Ron and the others.
"Here. I meant to give these to you a few days ago, but I've been too busy recently and forgot. Hope you don't blame me."
How could Ron and the others possibly blame Harry?
Ron took the tablet and phone with wild joy on his face, constantly examining them.
"Thanks so much, Harry. I've wanted one for ages."
Hermione kissed Harry and smiled without saying much. With their relationship, there was no need for words of thanks.
Even the twins had a share of this gift. They examined the tablets curiously, and under Harry's guidance, they learned how to use them.
Fred said, "Thanks, Harry. As expected of our good brother."
George said, "We will never forget your kindness."
At that moment, a sudden commotion broke out at the entrance of the Great Hall.
It turned out Madam Hooch was pushing in a wheeled metal rack. On the rack were more than a dozen palm-sized black boxes, each with a thin wire attached.
"Quidditch teams, attention!" Madam Hooch called clearly. "These are walkie-talkies sent by the Ministry. From now on, you won't need to shout yourselves hoarse during training.
"Hold this button when you speak, and the other players' walkie-talkies will hear you."
All the Quidditch players ran forward and received a walkie-talkie.
Hermione watched this scene, then lowered her head and looked at her own tablet.
The writing on the screen was clear and orderly. It seemed that even the current Muggle world did not have technological creations like this. When magic and technology were combined, the result was greater than the sum of its parts.
She knew that change had only just begun, and this ancient castle was learning, together with them, how to find its own rhythm between magic and technology.
After two weeks of hard work, the reform of the wizarding world temporarily came to an end, and Harry prepared to return to the multiverse world.
After returning to his dormitory, walking into the suitcase placed beside his bed, and arriving at the castle room inside the suitcase, Harry activated the power of the chaos source. The world before his eyes blurred, and he returned to the multiverse world.
The first thing he did after returning to the multiverse world was still to think about whether there was anything he needed to handle there.
After thinking carefully, there really was not. Ever since he dealt with Multiverse Ultron, he had completely relaxed.
If there was one thing that needed attention, it was that the work on the floating city was now close to completion, and the next step was expansion.
Expanding the floating city required many materials.
And unlike building the floating city, which required certain high-magic materials, expanding the floating city required high-strength materials.
Compared to Uru alloy, vibranium and adamantium were more suitable.
According to Harry's investigation, the largest vibranium reserves in the world today should be located in Wakanda, Africa.
On the surface, Wakanda was a small African country. It was located in East Africa, a landlocked country partly surrounded by mountains and bordering Lake Nyasa, with a monarchy as its form of government.
But in reality, Wakanda was one of the most technologically advanced nations on Earth, and its technological development was mainly thanks to the rare metal known as vibranium.
Vibranium had the property of absorbing and storing kinetic energy. It was widely used across many fields, from ordinary tablets and the intelligent systems of royal palaces to complex medical equipment and military weapons.
Because vibranium had such broad uses, Harry declared that he had his eyes on it.
Unfortunately, Wakanda's protection of vibranium was practically paranoid.
Successive generations of rulers had treated "isolation from the outside world" as a basic national policy, using mountain barriers, cloaking technology, and military deterrence to construct a powerful defensive line, all to prevent vibranium from leaking out.
Wakanda clearly possessed a mountain-sized vibranium mine, yet the vibranium circulating in the outside world could only be measured in grams.
So if Harry wanted to obtain a large amount of vibranium, he would definitely have to make a deal with Wakanda.
But if he tried to start through official channels, even if he sold Stark Industries, he would not be able to obtain enough vibranium ore.
So Harry decided not to play fair.
As Kamar-Taj, the guardian of the world, the first Sorcerer Supreme had actually discovered the vibranium mine even before Wakanda.
Since Wakanda, which had discovered the vibranium mine later, could take all of the vibranium for itself, then there should be nothing wrong with him taking back his own vibranium, right?
So on a certain bright and sunny day, Harry openly used a transformation spell to hide his tracks and used Apparition to arrive at the vibranium mine.
Immediately afterward, he directly pulled more than half of the vibranium into the Mirror Dimension, then placed that vibranium into his Pocket dimension and transferred it to the floating city's warehouse.
Wong stood in front of the observation platform in the training room, his fingertip still hovering over the holographic projection of the floating city expansion blueprint.
There, the material shortage was marked in glaring red: high-strength alloy x 70,000,000 tons.
For three days, he had been worrying over it, constantly thinking about where they could obtain that much high-strength metal.
"Still thinking about the materials?" Strange's voice came from behind him. Wong was rubbing his aching temples and casually replied, "We can't exactly use ordinary titanium alloy to make up the defense system. You saw what happened last time. The floating city's outer shell was easily destroyed by the aftershock of the planet-destroying cannon. If not for the toughness of the magical shield, you would have had to reverse time and space to repair the floating city."
Wong thought for a moment and decided he should go to the warehouse to see how much high-strength alloy was still left.
Thinking this, he immediately called Strange to go with him.
However, when he saw the actual situation inside the warehouse, he was instantly shocked beyond words.
The moment the energy gate of the warehouse area rose to the top, Wong felt as if his breath had been stolen by that flowing silver-blue glow.
A mountain-like mass of vibranium lay across the center of the warehouse, filling his entire field of vision.
Ever since Wong had been entrusted by Harry with the task of building the floating city, he had seen massive amounts of materials, but he had never seen such an enormous amount of vibranium.
In today's world, this thing was measured by the gram, yet the mountain before him was actually made entirely of vibranium ore.
"Harry!" Wong's voice immediately rose. He strode through the alloy passage and reached Harry's training room. "Where did all this vibranium come from?!"
Harry was meditating in the training room. Hearing this, he lifted his eyelids and said as if it were only natural, "I borrowed it."
"Borrowed it?" Wong abruptly stopped in front of him, his expression strange. "Borrowed it from where, Wakanda?"
Clearly, Wong knew exactly what Harry meant by "borrowed."
Harry nodded.
Wong immediately fell silent. To be honest, during this period of worrying over the source of high-strength alloy, Wong had indeed thought of Wakanda.
But with his strength, it would be impossible for him to silently remove a large quantity of vibranium from Wakanda.
He had also thought about having Harry sneak over and steal some vibranium ore, but in his mind, Harry had always been an upright and kind child who should not agree to such a thing.
What he had not expected was that before he even said anything, Harry had already brought the vibranium over himself.
And the amount of vibranium ore Harry had brought back was not the few hundred tons he had imagined, but an entire mountain.
Wong suddenly realized that the real Harry and the Harry in his mind were still somewhat different. Or rather, the Harry in his mind was still the Harry who had just joined Kamar-Taj, while the Harry before him was already Harry, the multiversal powerhouse.
But this was fine too. One could live happier if one was not too rigid.
After quickly solving the problem of high-strength alloy, Harry ignored Wakanda's reaction after losing the vibranium. Instead, he returned to the training room and placed most of his attention on the Soul Reaper world.
Several months had passed, which meant several decades had gone by in the Soul Reaper world, and the spiritual pressure in Harry's body had almost reached the limit of the Soul Reaper world.
Soon. As long as there was a perfectly timed opportunity, Harry would be able to completely devour the Soul Reaper world, allowing his strength to stabilize at the single-universe level.
Soul Reaper world.
When the door to the Tenth Division captain's office was slid open with a sharp whoosh, the afternoon sunlight was slanting across the wooden floor, casting mottled shadows over the mountain of documents.
Harry was leaning against the edge of the desk with his chin propped on one hand, his green eyes half-lidded. His fingers unconsciously turned the hilt of the Zanpakutō at his waist, and he showed no intention of moving his gaze.
The woman who had just entered the captain's office became even angrier at the sight. But because she could not beat Harry, she could only force herself to restrain her temper and pretend to be weak.
"Captain," she said sweetly, "I've been handling all the division's recent affairs. You can't just keep resting forever!"
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