Hogwarts and the Atypical Wizard

Chapter 109 Course Selection and Fast Forward

Sainz did not start the popular science directly, but asked a question first: "Before explaining why I prefer to call arithmetic divination logical cryptography, I need to ask you a question first.

Do you know the maze?"

Both of my roommates were born into wizarding families and knew about the existence of magic mazes. They had even been taken to play in them by their parents.

"That's easy to explain, since you know about labyrinths, a teaching aid in arithmetic and divination. The table of numbers is like a labyrinth that has been moved to a piece of paper.

People need to unlock the secret on this piece of paper, that is, they need to get out of the maze inside.

Of course, the real situation is not to let people walk through a maze, but to calculate the connection between all the numbers and get a correct answer.

When finding the connection between numbers, you need to use reasoning, hypothesis, prediction and other methods. I summarize this process of finding the relationship between clues into one word, called: logic.

Let’s talk about “passwords”. These numbers contain some secrets that we don’t want others to know, and the purpose of our study is to learn how to find the key that can guide us to discover the secrets.

This “key” is the “password.”

Judging from the expressions of my two roommates, they seemed to have understood, but also seemed even more confused.

“For example, let’s say I have hidden a treasure in my own treasury, but I can’t seal it off completely, I need to leave an entrance.

Hundreds of years later, when I was no longer around, a wizard discovered the entrance, but he didn't know how to enter.

If he didn't want his brute force cracking to destroy the contents, he would have to record the clues he found one by one and analyze my spell-casting habits from them.

If he is good enough at arithmetic divination, maybe he doesn't need to find a lot of clues, he can catch some traces I left inadvertently and open the entrance to the treasure house."

After hearing this, the two roommates suddenly realized, "So, this course is about teaching people how to rob tombs?!"

“Puff! Cough cough…”

Sainz sternly corrected his roommates' misunderstanding that arithmetic divination is indeed used in archaeological research, but it is not limited to that.

"Let's talk about the study of ancient runes. This course is also easy to understand. The name of the course is what it means. It mainly teaches everyone to recognize runes that are not often used today.

Many ancient books, documents, materials, etc. are written in runes. Only by mastering this language can we understand these materials. "

The roommates nodded to show that they understood.

"Muggle Studies, um... this course is about looking at the Muggle world from a wizard's perspective. I don't know much about it, so it's hard for me to comment too much.

I consulted Kenneth and the textbook for this course is "Family Life and Social Habits of Muggles in England".

Through talking with him and my own understanding, I think if any of you want to work closely with Muggles in the future, it is necessary to choose this course. "

But looking at the expressions of the two roommates, it was clear that none of them had such plans.

Sainz continued, "Finally, let's talk about the Care of Magical Creatures class. First of all, have you read the book Fantastic Beasts and Where to Find Them carefully? It's on the first grade reading list."

The two scratched their heads in embarrassment.

Ben said, "You know me. I get a headache when I see books. None of us have taken this course, so..."

Adam said: "I've skimmed through it and some of the magical animals are quite interesting."

Sainz said, “I’m not asking this to embarrass you.

Think about it, since it is not necessary to learn it in the first grade, and it will not be used until the third grade, there will be many people who don’t even choose it!

So why is this book included in the list of must-reads for first graders? What does this mean? "

"What does that mean?" Ben asked with a wise look on his face.

Adam said thoughtfully, "Saince, are you trying to say that this shows that this book is actually very important, and the professors hope that I will get to know it early and read it more in my free time."

"I think it's a reasonable guess," Sainz confirmed Adam's statement.

"Both professors of Defense Against the Dark Arts have said that there are very few opportunities for us to face dark wizards directly. We should learn how to protect ourselves from dangerous creatures."

"It seems to be true. We have learned how to deal with dangerous creatures such as red hats, dwarfs, fire ash snakes, etc...." Ben understood.

"So, I suggest that no matter what your future plans are or what kind of job you will do, you must take this course related to your own safety."

"Understood!"

"you're right!"

After much consideration, the two roommates chose Protection of Magical Creatures and Divination.

According to them, they have no plans to engage in ancient text translation or contact with Muggles in the future, so they will skip rune and Muggle research.

As for arithmetic divination, the thought of dealing with numbers makes my head hurt, so I just cut it off.

There is no need to choose the rest, there are only two courses left.

"Wow! Are you serious?!" Ben glanced at Sainz's schedule and was shocked and a little excited, as if he saw a dung bomb that could explode at any time. "Adam, look at this!

I think Sainz is dying, I bet he's going crazy from exhaustion."

Adam took the schedule and was also shocked, “Sainse, I know you like studying, but I didn’t know you like it so much!

You actually selected all of them!"

Sainz took back his schedule and said calmly, "Just choose it and see. It might be interesting. If you find that you don't like it, you can give it up later."

Of course he didn't tell the real reason. The main reason was of course to get a time converter. There was also another reason which was not a reason. As a time traveler, he would feel a little imperfect if he could not get the twelve certificates.

The Easter holiday passed quickly and Sainz's life returned to normal.

Perhaps in the eyes of other students, immersing oneself in magic all day long is dull and boring, but to Sainz, this is called peace, which is rare.

It was not until late May that he finally understood the Fidelius Curse.

This spell is good in every way except that it's too complicated.

In the original trajectory, the few recorded instances of this spell being cast were all on houses, giving the impression that this spell could only be used to keep houses secret.

In fact, this is incorrect, at least Sainz thinks so.

The fundamental starting point of this spell is to hide a secret forever in the soul of a living person!

There was no mention in any description that the secret had to be a house!

It is always applied on houses because it is very difficult to use once, and the most cost-effective way is to apply it on a large building to keep an entire area confidential.

After Sainz had completely mastered the Loyalty Spell, he suddenly realized that May was almost over...