"Tell me your understanding of the Undetectable Extension Charm," Professor Morray continued with a smile.
"Yes," Wade said, straightening his face. "The Undetectable Extension Charm is a spatial spell. I suspect it can achieve both spatial expansion and spatial folding simultaneously. This spell can be applied to any material—metal, earth, fabric, wood. The prerequisite for its use is a closed, limited space. Theoretically, the Undetectable Extension Charm can expand space from finite to infinite, but in practical application, it's affected by various factors, most directly the material used and the wizard's magical power and understanding of the spell—"
Professor Morray nodded slightly.
Most of what Wade said could be found in books, but integrating it wasn't an easy task. Moreover, it included Muggle theories and his own thoughts, which could be compiled into an excellent thesis.
It was evident he had done a lot of homework beforehand, and Professor Morray most appreciated this serious and rigorous attitude.
"—In summary, the Undetectable Extension Charm is extremely difficult to use and easily abused. Therefore, it's under strict control by the Ministry of Magic—"
Wade paused here, glanced at Professor Morray, and then continued under his smiling gaze, "Ministries of Magic in various countries have regulations that the Undetectable Extension Charm cannot be used for private purposes, only for the production of individual items approved by the relevant Ministry of Magic departments. At the same time, individual wizards are not allowed to possess items enchanted with the Undetectable Extension Charm without Ministry approval."
Professor Morray chuckled, "Yes—we are now discussing how to break Ministry of Magic laws. But Wade, if you're an alchemist without a suitcase enchanted with the Undetectable Extension Charm, you can't be considered a true alchemist. Of course, to avoid trouble with the Ministry, we also need to learn a bit of concealment magic—"
He raised a hand and summoned a book from a shelf, handing it to Wade.
"This book contains a clever little trick that can teach you how to make your case appear ordinary most of the time, and then transform into a different appearance when you need it—it's very difficult, my boy, both the Undetectable Extension Charm for the case and this concealment spell are very difficult—I look forward to your performance, and—yes—you can ask me any questions you have."
Wade flipped through the book, carefully put it away, and then took out a piece of parchment.
"Actually, I do have many questions I need to ask you."
On the parchment, a list of twenty to thirty questions was neatly written, none of which could be answered in just a few sentences.
"Oh—very studious, aren't we?"
Professor Morray mumbled, then put on his glasses and began answering them one by one. Wade immediately took out paper and pen and started taking notes. By the time the Q&A session ended, it had far exceeded the scheduled tutoring time.
"Professor," Wade said as he was about to leave, "I actually have one more small thing."
"Hmm, what is it?"
Professor Morray was a little tired, but still spoke patiently.
"Well, I made a box in my spare time these past few days, and I'd like to ask you to take a look and see if it has any flaws."
Wade pulled a long, rectangular oak box from the bottom of his bag. It looked ordinary on the outside, without any obvious runic markings.
Professor Morray chanted a spell and examined it meticulously.
"Hmm—can it shield the aura of magical items? No—it should be isolate—and also anti-theft charms, anti-Alohomora, curse-breaking spells, anti-jinxes—"
He looked at Wade in surprise: "Are you planning to collect some powerful Dark Arts items?"
Wade smiled a little sheepishly: "Actually, I wanted to borrow some books from the Restricted Section, but I heard that some of those books themselves come with powerful Dark Magic, and just being near them can have an effect—"
Professor Morray burst out laughing: "Oh—Wade—Wade—my boy, you're being a bit too cautious—"
He laughed for a while, and seeing Wade grow more embarrassed, he wiped away the tears of laughter from the corners of his eyes and said, "Don't worry, when books from the Restricted Section are borrowed by students, Madam Pince always takes some precautions to prevent any bad effects on them—"
Wade's face reddened slightly, and he said somewhat dejectedly, "So—I prepared this box for nothing?"
"Oh, not entirely—it's always good to be cautious," Professor Morray comforted him. "Your box is made perfectly. Most Dark Arts items can be completely isolated, causing no adverse effects on the outside. At least when you sleep at night, you can use it to store dangerous books."
Wade still didn't seem entirely reassured and pressed on, "So what are the small number of Dark Arts items that can't be completely isolated?"
"That depends on their size, my boy," Professor Morray said, still smiling. "If it can't be completely contained by your box, its magical power will naturally still leak out. But if your box can completely seal it from top to bottom, you don't need to worry about any Dark Arts power."
In the dead of night, a figure wandered back and forth on the eighth floor of the castle—
"I need a place to hide something—a place to hide something—a place to hide something—"
The familiar door reappeared. Wade didn't hesitate to pull it open and stepped inside, lighting up the surroundings with his wand.
In the city-like room, stacked furniture cast strange and distorted shadows. Wade searched along the central passage section by section, finally finding his target next to a cabinet with bubbling paint on its surface.
The ancient, rusty diadem lay on a pile of junk, looking no different from the other rubbish here, perhaps even more dilapidated, with its dull gems like unpolished stones.
Above the diadem were the words [Tom Riddle].
If not for this line of text, Wade truly wouldn't have been able to identify his target in this mountain of trash. He vaguely remembered the diadem being in a very ornate box, not this dusty appearance.
But regardless, memories from over a decade ago were unreliable, yet his eyes didn't deceive him.
Wade opened the box and placed it on the ground. He picked up an old fire poker from a nearby pile of rubbish, extended his arm, and, keeping a safe distance, clamped the diadem, dropped it into the oak box, closed the lid, and sealed it with numerous spells. Only then did he relax his tense mind.
With this diadem present, Wade couldn't freely research the functions of the Room of Requirement; he feared he might accidentally be influenced by it. Moreover, Wade secretly worried that others might discover the place due to his frequent entries and exits into the Room of Requirement, and then, like Ginny Weasley, be entranced by the Horcrux, causing a great deal of trouble. Now that the Horcrux was completely isolated, eliminating future troubles, Wade's mood couldn't help but become a little elated.
He had so many unknowns about this Room of Requirement alone that he wanted to research!
As he left, Wade instinctively pressed his hand against his bag, but then a voice suddenly said, "It's best not to take anything out of the Room of Requirement, my boy."
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