Harry Potter’s Book of Sin

Chapter 13: Meeting a mysterious girl for the first time

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"Found it!" Maka couldn't help but feel happy that she quickly found the information she wanted.

He read the contents of the book line by line, and read silently in his mind: "Fairy, Ministry of Magic classification level: XX, the fairies all hold a wand like a branch in their hands..."

At noon that day, Maka couldn't wait to open one of the books he ordered, a potion science book called "The Book of Potions". This is an ancient book published in the 16th century. If he hadn't seen it on an old book list at Flourish and Blotts Bookstore, he would have missed it.

In this potion book, Maka saw a very interesting material—fairy wings.

This is a very rare potion material. Although fairies will not die due to losing their wings, they are naturally vain and will never be willing to have their wings taken away.

"... Fairy wings have unique magical properties. They can make fairies shine when they need to show off, and they can also cover their tracks when they need to hide."

"If this kind of wings can be used as the main material for preparation, perhaps a very special invisibility potion can be prepared." Maka couldn't help but speculate.

How to make a person invisible is a very fascinating question. In addition to the complex invisibility cloak and the difficult disillusionment spell, there are only a few potions that can achieve the effect of allowing an adult wizard to hide his figure relatively perfectly. And these magic potions are, without exception, very expensive—some of their ingredients are quite hard to find.

This gave Maka the seemingly unrealistic idea of "why not develop a new invisibility potion by yourself".

Although Maka himself knew that he might not be sure, he saw this as an opportunity to challenge himself.

Opportunities must be created by oneself - Maka has always believed this.

"Excuse me, do you know where the books on 'How to Cultivate Valerian' are placed." Just as Maka was about to put the book in his hand back on the bookshelf, he suddenly heard a slight voice coming from behind.

Because the sound was too soft, Maka couldn't help but have the illusion that "maybe she heard it wrong." To confirm this idea, he turned back to confirm.

"Uh, what did you just say?"

Behind Maka, a girl covered tightly by a loose Slytherin robe stood quietly in front of her. On her head, she also wore a wide-brimmed pointed hat, which covered most of her face. Maka could only see a pair of small pink lips.

"Excuse me, do you know where the books on 'How to Cultivate Valerian' are kept."

The petite girl repeated what she just said word for word, and her tone without any fluctuation reminded Maka of Professor Binns who taught the history of magic class.

"Uh, well, the books on herbalism should be over there." Maka subconsciously pointed to the opposite bookshelf area not far from here.

As soon as she finished speaking, the mysterious girl from Slytherin immediately turned around and walked over there without even leaving a "thank you".

"What's going on?" Maka stared blankly at the girl's back, feeling like she was being ignored.

It seems that in the eyes of the girl, Maka is just like a tree on the roadside, an existence that does not need to be noticed.

He tilted his head and thought for a moment. At least in his memory, he could not find the existence of this mysterious Slytherin girl.

"Well, forget it, I'll just ask when I get the chance. It seems like they're also freshmen from this class, right?" Maka shook her head and then walked to the Potions book collection area.

Maybe he will come to the library more often in the future. He found that the collection of books here is really amazing. If he searches carefully, he will definitely gain a lot.

In the next few days, apart from walking between the classrooms of various subjects step by step with other students, Maka spent most of his rest time in the library on the fifth floor.

Most of the time, students who come to the library can see a scene like this -

There is a spot at the long reading table near the Pots and Herbology bookshelf that is always overwhelmed by the sheer volume of books. The books may be large or small, thin or thick, but most of them are theoretical books that are only borrowed by senior students and even teachers.

The librarian, Mrs. Pince, usually stared at this position not far away, as if the person sitting there was trying to violate her child, with sharp and angry eyes.

If you wanted to figure out who was sitting there, you had to go around to the back because the front was completely blocked by the pile of books.

Inadvertently, Maka has become a talking point among Hogwarts students.

This was not only because of his striking behavior in the library, but also because he was the only non-Slytherin student who could even have a few words with Snape without being ridiculed.

Regarding this, even Miss Know-It-All, who has excellent grades in Potions class, cannot do it.

"That's just because Hermione is a Gryffindor." When Ernie told Maka this rumor, Maka shook her head and replied.

As a student, Miss Granger is undoubtedly quite outstanding, and Maka has to recognize the tremendous effort she has put into this. But again, he doesn't think this kind of learning method that doesn't reject anyone is a suitable choice, especially when you are a wizard.

During this period, the more in-depth he studied, the more he became certain of this - the knowledge of magic was too broad and profound. Just conducting in-depth research on the subject of Potions may consume his entire life.

When a person is immersed in something, time passes very quickly. Unknowingly, a week flew by.

During this period of time, Maka did not meet the mysterious Slytherin girl again, but his understanding of potions continued to advance rapidly.

Maka has already fully understood the potion books he ordered, and he has also made many major breakthroughs regarding the "new invisibility potion".

Regarding the research on "how fairy wings achieve the effect of disappearing", Maka has already reached a conclusion. This is a new type of "optical invisibility" that is different from the "optical invisibility" of invisibility cloaks and disembodiment spells, and the "environment-integrated invisibility" of several ancient potion formulas - "perception blocking invisibility".

This is undoubtedly a very effective means of invisibility. Although you have not changed objectively, others cannot "feel" your existence.

"But this thing is so expensive!" Maka lay weakly on the table and sighed heavily.

In his calculations, he found that if a wizard was to completely conceal his existence, the amount of wings in the formula must reach a very high value.

"'Fairy Wings' costs 8 Galleons for one serving, and three servings are 24 Galleons; plus other ingredients and catalysts, the cost of a bottle of finished product is a full 43 Galleons..." At this point, Maca once again Sighing, "It's just a robbery!"

"...Wait! Why do I have to worry about this!" Suddenly, Maka stood up suddenly as if she had discovered a new world.

"No noise in the library!" Mrs. Pince shouted hysterically.

"...She doesn't care whether she makes a lot of noise or not." Not far away, several little Ravenclaw girls were whispering there.

Maka apologized profusely to Mrs. Pince with an embarrassed look on her face, and then sat back down in the pile of books.

What does it mean to have a new potion that works without a doubt? This means wealth!

Compared with the rarity and expensiveness of the only few invisibility potions currently available, Maca's magic potion is already cheap enough. In the entire wizarding world, the price of rare potions has always remained high. Potions masters like Snape who have created and improved several rare potion formulas with remarkable effects are even more in demand.

If Snape hadn't been involved in too many stories and had no ambition to do this, he would have been working as an exclusive consultant for a potion manufacturer or a noble family.

What do you have if you don’t have money? Since ancient times, which Potions Master has been truly short of money? As long as he carefully selects the sales channels, it will definitely be more than enough to not just keep rolling in the gold Galleons, but to support him in continuing his research. Speaking of trading, this is what Maka is best at.

Early the next morning, he asked Marfa to send him a shopping list, and he would immediately start trying to prepare the potion. Before that, there are several problems that will be encountered in actual preparation and must be solved first.

“Tuk tuk tuk”

During lunch break, Maka knocked for the first time on the door of Professor Snape's Potions Professor's office that almost no one would take the initiative to knock on.

"Who?" The same gloomy and indifferent tone made the visitor feel that he was not welcomed by the owner at all.

"Professor Snape, it's me, Maka McClane."

"... Come in." The voice inside paused before replying.

Maka turned the doorknob to open the dark and eerie room, and quickly walked in.

"Professor Snape, I have a few questions about Potions. I hope I haven't disturbed you." Maka said her words carefully, trying to be as polite as possible.

Snape glanced at him expressionlessly, and then said with a hint of impatience: "Ask."

"In fact, I encountered several questions while studying potion books. For example, regarding Hist's second law, how to deal with the magic-repellent reaction that occurs during the actual preparation process so that the original potion solution can be Continue to maintain a stable magic form?" Maka nodded, and then quickly raised the question.

"Hmph." Snape couldn't help but frowned and snorted after hearing this.