With extraordinary comprehension, I built a floating city at Hogwarts.

She suddenly realized that the children around her were not only more mature than she had imagined, but also smarter.

She knew very well,

Fairies are skilled in metallurgy, but they have a very greedy and peculiar mindset. They believe that anything they create belongs to them, and all the fees paid to them are rent.

Once the first owner dies, they have the right to reclaim their creation.

This even includes the sword of the first Gryffindor.

As a result, many conflicts arose between fairies and wizards, even leading to several wars.

But all of them ended in defeat for the fairies.

Despite the fact that the fairies control the only bank in the wizarding world and have an equal cooperative relationship with the wizards,

They were nervous and afraid in the face of the wizard.

They are unwilling to relinquish their greedy and arrogant mindset, and have long maintained a facade of dignity.

But the shadow of defeat forced them to obey the wizard's rules.

This phrase, "all bark and no bite," is a perfect assessment.

Professor McGonagall quickly retrieved Levin's loan from the tall counters on either side of the hall.

To emphasize their superiority, the fairies designed the counter to be unusually high, even taller than Levin himself.

This means the chairs behind the counter also need to be very high.

Levin estimated that he would need to use a small ladder to go up and down.

"Alright, Levin, you've got your loan." McGonagall led Levin away from that awful place. "The first thing to do is buy a wand."

Chapter 4 Shocking! This protagonist accepts all comers!

Led by Professor McGonagall, Levin arrived at a shop.

The shop entrance was old and narrow, and inside the window was a faded purple cushion with a magic wand on it.

Above the door is a peeling gold sign that reads: Ollivander, crafting fine wands since 382 BC.

Levin strongly suspected that this was a far-fetched boast.

If the words on the sign are true, then when they started making canes, China was still in the Spring and Autumn Period, and Rome wasn't even an empire yet.

At that time, Britain was still Celtic territory, and Druidism was prevalent. The later Onssa and Norman peoples were nowhere to be seen.

The two pushed open the door and went inside. The copper bell by the door was plucked and made a clear sound.

The store is small, with only a counter and a bench.

What remained were shelves piled high with thousands of narrow cardboard boxes containing wands, reaching all the way to the ceiling.

Although it was the start of the school season, the shop was very quiet because it was still early and there were no other customers.

Levin unconsciously slowed his breathing as he entered.

Despite the wizard possessing convenient cleaning charms, the shop was still heavily dusty, which Levin found unacceptable.

“Good morning, Ms. McGonagall. This is this year’s little wizard, isn’t it?” a soft voice rang out.

Suddenly, an old man slid out from behind a counter and appeared in front of Levin, looking him up and down with his large, light-colored eyes. He seemed very pleased.

“Excellent, you are the first customers to arrive today. I am Garrick Ollivander.”

Ah, so he's the Master of Rods from Great Britain.

Seemingly noticing Levin's confusion, Ollivander explained, "In most cases, young wizards tend to go to other shops first and then come to choose a wand last, which is really strange, since the wand is the most important companion for a wizard."

As a novice wizard, Levin shrugged and declined to comment on the topic.

"Then, let's start choosing a wand, child, please reach out your hand."

As Ollivander spoke, a ruler flew up from the counter and automatically began measuring Levin's height, wingspan, and so on.

Which hand is your dominant hand?

“My right hand.” Levin extended his right hand and suddenly said, “Excuse my boldness, Mr. Ollivander, does your surname imply that your family’s ancestors used an olive wood wand?”

The spelling of Ollivander is almost a combination of olive tree (oilve) and wand (wand).

“Oh yes, that’s true. You’re a clever little wizard. You might be assigned to our Ravenclaw,” Ollivander said approvingly, taking a moment to measure. “Please raise your other arm first. Good.”

Fortunately, the measuring tape was magically manipulated, preventing Levin from being groped by the elderly man.

First, measure the head circumference with the ruler from the shoulder to the fingertips, then from the wrist to the elbow, from the shoulder to the floor, from the knee to the armpit.

Levin knew very well that at eleven years old, he was in a period of rapid physical growth, growing several centimeters every year on average, and the clothes he could wear this year would often be too small in just a few months.

In this situation, the measured data will quickly become outdated, and he doesn't know what use such measurements are for choosing a wand, so he can only cooperate foolishly.

"Try this one!" He waved his hand, and a box flew over.

"Eleven and a quarter inches, made of alder and snake nerve. An alder wand is suitable for helpful, considerate, and lovable wizards. Why don't you give it a try?"

Ye Ting waved it in his hand, and a burst of fire appeared. Looking at the smoking box, Levin thought to himself, "Does he think I'm a lovable wizard?"

Ollivander nodded in satisfaction: "Good luck, this one will do, nine Galleons in total..."

"Wait, is that it? Can I try again, Mr. Ollivander? I don't feel it's quite right for me!" Levin was taken aback to find that the first wand he tested had been deemed suitable by the other party, and he was immediately somewhat unwilling.

In his mind, the protagonist should be particularly picky when choosing a wand in such situations.

"You want to take your time choosing? That's a strange request. The other young wizards all want to find the right one quickly... But alright."

Perhaps out of admiration for Levin's recent remarks, or perhaps influenced by the "Charm of Humans" technique, Ollivander agreed to the request:

"Since you insist, why not try this twelve-inch staff? It's made of applewood, with a phoenix feather core. It's powerful, but not suitable for dark magic..."

But just as Levin touched the wand, before he could even swing it, it was snatched away: "No, no, not this one." Then it gave Levin a strange look.

Levin was a little puzzled by that look: "Is this guy trying to imply that I'll become a dark wizard?"

"How about this one? Cedar wood, phoenix tail feathers..."

At Ollivanders, wands will only have three types of cores: phoenix feather, unicorn hair, and dragon heartstring.

However, wands made by other wand manufacturers may have different cores. For example, Fleur's wand core is Veela hair (her grandmother's hair), while wand cores made in the United States are mostly made of materials from the Americas, such as Thunderbird tail feathers, cat and leopard fur, White River Monster spines, and Werewolf fur.

Ollivander had him try one wand after another, this time choosing wands capable of casting powerful spells and even dark magic.

But no matter which one it is, Levin can always make a fuss with them and achieve a perfect fit.

But in Ollivander's eyes, every wand fits perfectly, which means that no perfect fit has been achieved.

Ollivander, who was initially quite pleased, now had beads of sweat on his forehead: "Mr. Grimm, this is the first time I've met a little wizard like you who is so open to everyone. The good news is that you can easily borrow other people's wands when necessary, and you don't have to worry about not being able to cast spells."

He thought and thought, then went back to the back room and brought out a box wrapped in smooth silk.

In fact, Levin was quite satisfied with his situation, believing it to be a manifestation of his talent.

The ocean is vast because it embraces all rivers.

There's a saying in life: When you feel comfortable with someone, and after a few words you feel a connection, and you feel that the other person understands you very well, it's probably because their emotional intelligence and IQ completely surpass yours.

The same applies here: being able to adapt to any wand means that his talent can overcome the limitations of any wand.

“Try this wand, eleven inches long, made of acacia wood, with phoenix feathers.” Ollivander carefully took out the straight wand that shone with a golden-red luster.

Just seeing this wand made Levin sense something was different.

Even through the air, a faint attraction emanated from the wand.

This time, when he held the wand in his hand, there was no earth-shattering reaction; it was as if he had returned to simplicity.

Levin could feel a strange sensation rising within him; the wand seemed to have become an extension of his body, and with a mere thought, the magic could move precisely accordingly.

"Wow, you two seem like a good match!" Ollivander's expression finally brightened.

“Acacia is a very special wand wood. I’ve found that acacia wands are hard to find suitable wizards, so I always have very few acacia wands in my stock.”

"But conversely, it only shows its strength to the most talented people, and Mr. Green is undoubtedly one of them."

They paid Mr. Ollivander ten Galleons for the wand and walked out of the shop.

Professor McGonagall was also satisfied with the result. "Alright, now we need to take you to get your school uniform made."

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Chapter 5: Unparalleled Comprehension, Comprehending Arcane Magic

“Well…” Levin gave an awkward smile. “Professor, if it’s a school uniform, I think that given my financial situation, choosing secondhand clothing is a good option. I just saw a nice secondhand clothing store.”

Professor McGonagall looked at the boy, Levin, whose face showed no sign of reluctance.

Having been an adult, he has passed the age where he needs to show off in front of his friends through clothing.

"OK then."

In reality, it's simply unrealistic to buy all new products with Levin's student loan.

He had calculated it very clearly: his student loan for the first year was thirty Galleons, and it would be halved every year thereafter.

I just spent a third of my money on a wand from Ollivander; there's no way to cut corners on the most basic spellcasting tool.

If you buy brand new textbooks, they'll cost at least ten dollars.

With the remaining ten Galleons, he would buy a cauldron and glass bottle set for Potions class.

He wants to buy dragon skin gloves; he needs them for the herbalism class.

There are also folding telescopes for astronomy classes...

After careful consideration, if Levin bought everything new, he wouldn't even be able to afford a robe.

So, led by McGonagall, the two went to a secondhand robe shop and bought some slightly larger old robes, since he was still growing and could wear them in another year.

Then I found a set of old glass bottles that could still be used after washing, but they had a lot of scratches on them.

The easiest thing to get is secondhand books; there are plenty of secondhand items under the shelves at Flourish and Blotts.

In fact, Levin believes that secondhand books are more suitable for learning.

Compared to new books, secondhand books not only have all the words in them, but also have many notes from senior students.