Mastering Lightning from Hogwarts

The Room of Requirement is the core of Hogwarts' magic, a reasonable and logical assumption.

It's no wonder the Room of Requirement can fulfill the needs of those who enter; after all, it gathers the magic of the entire Hogwarts. With magic, such supernatural abilities, fulfilling wishes is just a piece of cake.

However, what puzzles Anduin is that such a complex rune structure cannot be supported by ordinary building materials.

For example, the alchemy labs he built for the Ministry of Magic or other institutions required an astronomical amount of alchemical materials just to construct the room.

But here, Anduin couldn't find any trace of high-level alchemical materials, even through ethereal energy perspective. The Room of Requirement is composed of the most basic rocks.

The more Anduin understood, the more his interest in the Room of Requirement grew.

Now he roughly understood the principle of the Room of Requirement, but the doubts in Anduin's mind increased rather than decreased.

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So, in the remaining two months of the school year, Anduin would often come to the Room of Requirement, using the Ethereal Armor to study the room's secrets.

During this time, Anduin also became more familiar with ethereal energy, mastering it more easily, which played a good role in his research and development of the Deathly Hallows' substitutes.

And with the Leme Alloy formula and the help of the Philosopher's Stone, Anduin successfully found a substitute for the Elder Wand in these two months.

In fact, in terms of functionality, the differences between the three Deathly Hallows are quite obvious.

The Resurrection Stone, as the core of the ethereal suit, plays the most important role in object transformation, equivalent to the generator of the ethereal form.

The Elder Wand amplifies the magic output and streamlines the ethereal energy, equivalent to a magic transfer station.

As for the Invisibility Cloak, it further stabilizes the ethereal energy and plays a crucial role in magic conduction, allowing the ethereal energy to be evenly distributed throughout the user's body.

So among the three artifacts, the Resurrection Stone is the most critical and the most difficult to copy, while the Invisibility Cloak and the Elder Wand are not so necessary.

Therefore, after investing a lot of resources, Anduin finally created a substitute for the Elder Wand in the ethereal suit—a thickened wand wrapped in several layers of Leme Alloy.

With it, Anduin didn't have to borrow Dumbledore's wand every time. The old man's eyes had been looking at him strangely lately, as if reminding him not to be so idle.

Also, because of the substitute, Anduin could control the Ethereal Armor more freely, giving him more opportunities to study the Room of Requirement.

However, due to the complexity of the Room of Requirement, Anduin couldn't fully understand it in a short period of time. The咒法 arrays were layered upon layer, and he couldn't destroy them, so he could only study them in his spare time.

But the time left for him to do research was not much, because Hogwarts was on summer vacation.

This school year was quite fulfilling for both Anduin and the young wizards, especially in the eyes of the students, this year was so exciting.

They could not only enjoy themselves in various dungeons, but also experienced a thrilling basilisk crisis at the end of the semester, which was an unforgettable experience for many.

And the Chamber of Secrets, which used to be talked about in fear, has now become a tourist attraction in the school.

However, this made Harry a bit miserable. In the last two months of school, he had become the 'opener' in everyone's eyes. Anyone who wanted to visit the Chamber of Secrets had to ask him for help.

But this also led to the fact that people were not particularly repulsed by Harry's Parseltongue ability, because everyone knew afterwards that Anduin had discovered the Chamber of Secrets first, which meant that this professor was also a Parselmouth.

Since even their admired Tactical Training professor was a Parselmouth, then people with Parseltongue were naturally not the dark wizards they imagined.

After the summer vacation began, Anduin didn't directly lead Harry back to the manor, but prepared to continue entrusting him to Sirius Black.

He had a lot of things to deal with this summer. In comparison, it was obviously more appropriate for Harry to live with his godfather.

On the day of their return, Anduin picked up Harry from the International Cross Station and led him to 12 Grimmauld Place.

"Black lives here now? I remember he broke away from his parents' home a long time ago, didn't he?" Anduin asked Harry, looking at the terraced mansion with some confusion.

In fact, after returning from France, Anduin hadn't had time to visit Sirius due to his busy schedule. He originally thought that Black was still living in the Muggle community where they used to stay.

Because he had stayed here during Christmas, Harry was no stranger to this place. "Godfather said that his last remaining mother seemed to have passed away two years after he was imprisoned. After the Ministry of Magic acquitted him, they assigned this ancestral home to him as an inheritance."

"I remember that the Ministry of Magic doesn't have the right to reclaim wizarding properties. They should have just mentioned it verbally."

Anduin glanced at the dilapidated house and couldn't help but complain, "This guy isn't still as slovenly as he used to be, is he?"

"Uh..." Harry scratched his head awkwardly. Although he had only stayed here for a while during Christmas, the scene inside was indeed 'impressive'.

Arriving at the door, Anduin didn't even knock, but directly used the unlocking spell to open the door. The scene that came into view made him frown.

Just inside the door was a long corridor with peeling wallpaper, worn carpets, gas lamps, and a large snake-shaped cobweb chandelier and candelabra.

Next to it was a staircase leading upstairs, and the walls were covered with portraits that had darkened over time, including a huge one covering a moth-eaten moldy curtain.

As far as the eye could see, although there wasn't much dust, the room was full of an old, decaying feeling, and the air was filled with a faint mildew smell.

"Uncle Wilson, we'd better be careful when we go in!"

Harry whispered to Anduin.

"The portrait is of Mrs. Walburga Black, Sirius's biological mother. Once awakened, she will scream desperately in a terrifying voice, cursing everyone around her, and trying to wake up the people in the other portraits, so that they also start screaming."

"I suffered a lot from her during Christmas. Even Godfather couldn't stand it, so he used that rag to cover her up."

Anduin looked at Harry speechlessly, "If that's the case, why doesn't Black put her away?"

"Godfather has tried it." Harry shrugged helplessly. "It seems that Mrs. Walburga Black cast a permanent sticking spell on the portrait. It can't be taken off at all."

"Then you should learn to use wizarding methods to deal with her, instead of tiptoeing in and out every time."

After saying that, Anduin ignored Harry's warning and shouted loudly, "Black! We're here, where are you, you damn guy?"

"Which bastard dares to make noise in the Black family? Ah!!"

Sure enough, as soon as Anduin shouted, the giant portrait behind the rag moved. Mrs. Walburga Black's voice was already extremely sharp, and when she screamed, it was even scarier than Anduin's infrasound spell.

"Shut up!"

Just as Mrs. Walburga Black had just screamed, Anduin suddenly shouted coldly, and then the sharp sound seemed to be strangled by the throat, and it stopped abruptly.

At this time, there was also a sound of 'thumping' in the house. After a while, Sirius, with disheveled hair, wearing an apron, and holding a spatula, rushed out from the side.

While walking, Black was still cursing, "Damn old woman, all she knows is to scream all day long."

When he came to the porch and saw that it was Anduin and Harry, he smiled, "It's you, I was just preparing dinner inside and didn't notice you arrived."

Then he specifically glanced at the portrait, "It was you, Anduin, who shut this old guy up, right? Well done, I should have asked you to come over earlier."

Anduin rolled his eyes when he heard this, and at the same time looked at Black's attire in surprise, "Did I hear you right, you? Cooking?"

"Why not?" Sirius shook the spatula in his hand triumphantly, and looked at Harry at the same time, "Harry, quickly tell Anduin, how is your godfather's cooking? This is a new skill I learned from France."

"Uh..." Harry's expression froze when Black asked this, "It's... it's okay, at least it's edible."

"What..." Sirius looked at Harry with some dissatisfaction, "You didn't say that during Christmas. I remember you praised it a lot at that time, didn't you?"

"Haha, did I?" Harry gave a guilty laugh.

During Christmas, he did have a good time with Sirius, except for the slightly terrible living environment and food, and in order not to discourage his godfather's confidence, he had always been very cooperative.

But this seemed to have given Sirius a inexplicable confidence in his cooking skills, and he felt a headache when he thought that he would have to enjoy these foods for the next two months.

"Okay, don't embarrass Harry." Anduin couldn't tell what was going on, so he could only help Harry out, "By the way, I seem to have heard you say before that your Black family has always had house-elves to serve you? Why do you need to cook yourself?"

"Hmph, I don't want to deal with Kreacher, his personality is just as bad as my former annoying mother."

Black pouted when he mentioned his family's house-elf, "He just accepted some crazy instructions from my mother's portrait, which made this house dirty and messy. If I eat what he makes, I'm afraid I'll be poisoned by accident!"

"Master Sirius Black is talking about Kreacher behind his back again!"

Just as Black was talking about Kreacher's bad words, a wrinkled-skinned house-elf walked out from the end of the porch.

His head was bald, but a lot of white hair grew out of his two bat-like big ears. His eyes were bloodshot and gray, and his fleshy nose was very big, just like a pig's nose.

"Go away, Kreacher, I'm not in the mood to argue with you now!" As soon as he saw this elf, Black roared at him irritably.

"Yes, Master Sirius! Kreacher will not disturb you from continuing to hang out with Mudbloods and Squibs. I wish you will see Master Walburga soon." Kreacher bowed respectfully, but the contempt in his eyes made him seem like the one who was high above.

After respectfully issuing a series of vicious curses, Kreacher retreated from the porch, as if he had never appeared.

"It seems that your family's elf is not very obedient." Anduin naturally heard the foul language issued by Kreacher.

Although he could understand that this guy who lived in a family that extremely believed in pure-blood supremacy would be so mean, it didn't mean that Anduin wouldn't feel uncomfortable about it.

"No, he's very obedient, but that's all he's left with." Sirius also curled his lips unhappily, "Let's not talk about so much, let's go, let's talk inside."

After saying that, Sirius led the two into the restaurant, and at this time they smelled the aroma of food wafting from the kitchen.

Of course, although it was said to be an aroma, they could still smell the fishy and greasy smell hidden in the fragrance. Obviously, Sirius didn't have any talent in handling food.

At this time, Sirius also resignedly took off his apron, "Okay, it seems that I have been busy for nothing for most of the day. If you smell it carefully, the food I made does have a strange taste."

"Actually, you don't have to make things so difficult for yourself." Anduin comforted, "Since you don't trust your own elf, why don't I arrange an elf to take care of you?"

"Ah? Isn't that good? Qiqi is usually so busy, and hasn't she stopped doing ordinary house-elf work long ago?" Sirius refused instinctively.

"I didn't say it was Qiqi." Anduin smiled, "Recently, I have another house-elf under my command."

After saying that, he specifically looked at Harry, "It's Dobby, who always bothered you in the first half of the school year. Do you still have an impression?"

"Yes, yes." Harry nodded, and at the same time asked doubtfully, "That guy made me suffer miserably. Later, he disappeared. I thought he had finally figured it out. Is Dobby your subordinate?"

"Not at first." Anduin shook his head, "But he was caught by me later, on the day you participated in the first Quidditch match, remember?"

"So that was also his fault!" Harry recalled that day, and resentment rose in his eyes, "He always caused trouble for me, he must not be a good person, how can you let him follow you?"