Let's set aside the unavoidable fact that newborns are weak and unable to move independently for extended periods.

When Stuart's body developed to a certain stage, enabling him to move for extended periods and prompting him to begin research on life, the first variable emerged.

The Stuart family head, who should be considered the father of this body in terms of bloodline, actually imposed a complete blockade on him for the safety of his heir.

Let alone magical creatures, Yuan Yuan couldn't even come into contact with ordinary animals, as long as they were poisonous, had fangs, had claws, or were even slightly dangerous.

This meant that even if he wanted to conduct research, he could only use ordinary toads that old Stuart had personally examined and determined to be harmless for his experiments, making the experimental process incredibly slow.

Shortly after the first variable appeared, the second variable followed.

That variable is Sirius Black, who is now standing in front of Yuan Yuan, waving his arms, looking nothing like the eldest son of an ancient noble family.

Before meeting Sirius Black, Yuan Yuan was actually very satisfied with his family, because the Stuart family was a typical Ravenclaw aristocracy.

Chapter Six: Two Types of Nobility (Revised)

In a place like England, there are two types of wizarding nobles. One type is the Slytherin type. This type of noble is proud of their bloodline and always enjoys holding various banquets, showing off their sons and daughters to their "friends" countless times.

Another type is the Ravenclaw-style aristocracy. This type of aristocracy is much more low-key. They don't like to hold banquets and prefer to spend their time learning various kinds of knowledge.

They don't talk about bloodlines easily, but when they do, they're not like the Slytherins who can only spout the same old words like noble, ancient, and glorious that everyone's tired of hearing, without offering anything new.

Ravenclaw-style nobles can go through their family genealogy and list every ancestor who made great contributions and accomplished great things. If you don't interrupt them, they can even go back to their ancestors hundreds of years ago.

These Ravenclaw-style nobles encouraged every member of the family to spend their limited time learning infinite knowledge. Even when their children were young and did not yet understand the importance of "learning," they would learn some basic knowledge under the influence of their surroundings.

This is precisely what makes Yuan Yuan satisfied, because he doesn't have to learn all sorts of useless aristocratic etiquette every day like the heirs of families like the Malfoys, and then be forced to appear at various social occasions, wasting time at those annoying banquets.

In fact, he only needs to show up at his own birthday party each year; he doesn't need to attend any other troublesome banquets.

But at this once-a-year banquet, a second variable appeared that greatly troubled Stuart: Sirius Black.

Sirius Black, the eldest son of the Greyhound Crest family, has gone mad for some reason. Ever since the two met at the banquet, he has been coming to visit Stuart every few days, disturbing his experiments.

Even when Stuart, out of impatience, threw Black into a jar of toad slime the first time he entered his lab, giving him a taste of the "pleasure" of being devoured by a slime, it didn't dampen his enthusiasm.

Stuart had no idea what gave a six-year-old the courage to come and bother him every day like a madman.

In fact, Sirius's rebellious nature was already evident when he was young. He hated all the rules of the family and hated being required to do certain things. He was only forced to act like a good boy because he was powerless to resist his mother. He had to learn complicated aristocratic etiquette and talk to other family heirs with fake smiles.

Sirius initially thought that his peers would share his thoughts, but after meeting the heirs of other families, he realized that he was the only one who truly hated his family and had thoughts of rebellion.

Six-year-old Sirius felt despair. He could only hope that time would pass quickly so that he could attend Hogwarts when he turned eleven, where he might find like-minded children.

And so, Sirius Black looked forward to entering Hogwarts while attending various tedious aristocratic gatherings arranged by his mother.

He thought he would spend his life like this until he was eleven, but when his mother arranged for him to attend a noble banquet, Sirius found a turning point.

The protagonist of that birthday party, the heir of the Stuart family—Harson Stuart—had no awareness of being the protagonist of the party. He sat quietly in a corner of the hall, flipping through a thick book under the dim light, without any intention of greeting the elders and peers of other families.

Sirius was utterly astonished by this behavior, which was so contrary to aristocratic etiquette. What surprised him most was that the patriarch of the Stuart family did not seem to blame the child at all, but instead seemed very proud of him.

[Not bound by family rules] Something I couldn't do or dared not do myself, was actually accomplished by someone my age!

This shock made Sirius forget all manners, and he rashly stepped forward to greet Stuart, who looked unapproachable. Stuart, who ignored even the adults, naturally ignored him as well.

After being ignored, he did not give up. After the banquet, he rashly chased after Stuart to his private laboratory, whereupon the impatient Stuart threw him into a large vat for collecting toad slime.

However, this disgusting experience could not stop Sirius's determination to find his own kind. The next day, he still came to bother Stuart with great enthusiasm.

However, what Yuan Yuan found most unacceptable was not Sirius Black, but the attitude of the current head of the Stuart family.

After all, the Stuart family was a noble family, and naturally they wouldn't allow anyone to run into their manor. As long as Stuart, as the owner, gave the order, Sirius would definitely be kept outside the manor.

However, to Yuan Yuan's surprise, the Stuart family head, who should have rejected the Black family, a dark magic family, actually supported Black in causing trouble for Yuan Yuan.

Of course, Yuan Yuan's opinion was that the eldest son of the Black family was just looking for his son to play with. In the eyes of the patriarch, the eldest son of the Black family was just looking for his son to play with.

Although the Stuart family encouraged their descendants to study hard, it was rather abnormal that six-year-old Stuart didn't go out to play with his peers, didn't like Quidditch, had no interest in candy, and spent all his time either in the library or hiding in his room fiddling with toads.

Therefore, in order for his child to have a healthy and normal childhood, the head of the family put aside his long-standing taboo against the Black family and allowed the eldest son of the Black family to come and go from his family's manor.

It's good that you like learning and experimenting, but you're still young and should play more with other children your age. Before, the other families' children were scared away by your gaze and didn't want to play with you. Now, it's rare that the Black family children aren't afraid of you and are willing to be your friend. You should cherish this opportunity!

On the very night Sirius nearly drowned in toad slime, the head of the family went to Stuart's private laboratory, rambled on and on, and then unilaterally granted Sirius permission to enter and leave the manor.

Chapter Seven: Blake's Gift (Revised)

With the support of the Stuart family head, Black, a man with seemingly inexhaustible energy, became even more brazen in harassing Stuart, while simultaneously fueling the burning anger within Stuart.

However, Stuart couldn't actually kill Sirius Black to solve this problem once and for all.

If he wants to maintain his current convenient life where he doesn't have to worry about making a living and can just focus on his research, he has to consider the Black family behind Sirius Black.

The consequences of killing the eldest son and heir of the noble Black family were clearly beyond what the ordinary noble Stuart family could bear. If they were to truly face the wrath of the Black family, the destruction of the Stuart family would be a foregone conclusion.

As for young Stuart, who had barely mastered any magic due to his father Stuart's limitations, whether he could survive against the Black family's dark wizards was entirely a matter of luck.

Moreover, even if he survived, he would definitely be on the run. At that time, let alone conducting experiments in peace, the time wasted just collecting experimental materials under the layers of blockade by the Black family would drive him crazy.

This world isn't like the world in fantasy novels, where even if you're being chased, you can easily find rare and precious materials in the wild and then sneak into auction houses to roam freely.

The entire magical world is only so big, and there are only so many magical creatures. The more precious resources are controlled by various nobles and the Ministry of Magic. Ordinary people could run themselves ragged and never find rare treasures in the wild.

So Stuart could only let Sirius bother him and waste his time. Later on, even when Sirius came, as long as he didn't interfere with his experiments, Stuart just ignored him.

Sirius, of course, had no idea what Stuart was thinking. He only knew that Stuart's attitude towards him had been getting better and better lately. From initially not saying a word upon meeting him and simply knocking him down and stuffing him into a slime bucket, to now only getting a kick and having his face smeared with toad liver, Stuart had clearly become much gentler.

Sirius believed that if he worked harder and was more enthusiastic, he would definitely be able to become friends with Stuart.

Driven by this naive idea, six-year-old Sirius went to great lengths to persuade his mother, who clearly didn't like him much, and obtained what he thought he could definitely use to build a good relationship with Stuart.

Thinking of that terrifying thing, Sirius became excited again, pulling hard on Stuart's arm as if to rush outside.

“Stuart, come with me. I guarantee you’ll love this gift. Please trust me!”

Knowing that if he continued to refuse, this stubborn fool would definitely make a scene with old Stuart, and he would still be forced to go with Sirius, Stuart changed his attitude from refusal to a quick resolution.

Stuart grabbed Sirius's arm and pulled hard, then habitually threw him to the ground before asking coldly.

“Mr. Black, you have three seconds to calm down and tell me where you’re going to take me.”

Lying on the cold stone slab, Sirius blinked, realizing he'd been knocked down again. However, having grown accustomed to this treatment, he didn't react much, simply lying on the ground and answering matter-of-factly.

"Of course we'll go to my family's manor. That thing is too heavy; I can't carry it all by myself."

“Is that so? Black Manor,”

After repeating the destination, Stuart turned around, took a box of Floo Powder from the shelf next to him, walked quickly to the fireplace, and turned to look at Sirius, who was still lying on the ground.

“Mr. Black, I hope you remember that there is such a thing as Floo Powder. Now, come here quickly. If I enter Black Manor before you, the master, Mrs. Black will definitely be angry.”

After blinking again, Sirius finally realized what was happening. He excitedly got up from the ground, rushed to Stuart's side, and shouted excitedly.

“Stuart, you’re willing to come with me? That’s wonderful! Don’t worry, that old woman admires you very much and always praises you as a genius. Even if you go to Black Manor alone, she certainly won’t be angry. On the contrary, she will bring out a lot of good things to entertain you.”

After saying that, as if afraid that Stuart might change his mind, Sirius grabbed Stuart's arm, then grabbed a handful of Floo Powder and threw it into the fireplace. After shouting the name of Black Manor, he rushed inside.

The next moment, the two appeared in the hall of Black Manor. Fortunately, Mrs. Black, who always had a gloomy face and was difficult to get along with, did not seem to be in the manor at this time, which saved Stuart from a lot of unnecessary formalities.

Sirius seemed completely unconcerned about whether his mother was home or not. After leaving the fireplace, he called out to Stuart and excitedly ran towards the back of the manor.

Frowning and growing increasingly impatient, Stuart quickly caught up with Blake and followed him silently, determined to end this farce as soon as possible.

Upon reaching the forest behind the manor, Stuart immediately spotted a striking, enormous cube covered in a black cloth; it seemed this was Sirius's so-called gift.

Just as Stuart had predicted, Sirius ran up to the cube, looking rather mysterious, and asked Stuart to guess what was inside.

However, Stuart simply didn't have the patience to play the "guess what" game with the children, so he quickly stepped forward and ripped off the black cloth.

Upon seeing what was under the black cloth, Stuart froze, unable to move for a moment.

But Sirius, who was initially disappointed because Stuart ripped off the black cloth, immediately cheered up after seeing Stuart's reaction.

"Well, Stuart, I told you you'd like my gift. I know you've always wanted to experiment with these dangerous magical creatures, but because of your uncle's restrictions, you can't get them and can only use those nasty toads. So I've prepared this gift for you: a highly venomous magical creature, the Karim Scorpion."

I really like Chapter 8 (revised)

"Pure black carapace, blood-red eyes, inverted triangular carapaces under the pincers, dangerous blue tips on the tail hooks, and three pairs of compound fangs hidden under the mouthparts, which can also inject venom into the prey. This is indeed the Karim Scorpion."

"The venom of the Karim Scorpion is extremely deadly; a single drop the size of a needle tip is enough to kill seven adult dragons. Furthermore, the Karim Scorpion's tail hook is incredibly sharp; even the skull of the most heavily armored black dragon can be pierced by this creature's tail hook in a single blow."

"No matter how many times I asked, that rigid old Stuart would refuse to buy me this interesting little thing, even though my research really needs it."

He lay completely sprawled on the enormous, glass-like cage, carefully observing the massive, jet-black scorpion inside, as big as a human head. His once cold eyes were now filled with a fanatical light.

Judging from his expression, if it weren't for the cage, he would have rushed in directly to observe the scorpion he called "an interesting little thing," but which was terrifying and ferocious in the eyes of ordinary people.

Sirius tried several times to pull Stuart off the cage to make him mind his manners, but each time he was inexplicably knocked down. Helpless, Sirius could only let him lie on the glass cage, staring intently at the scorpion that was huddled in the corner of the cage, feeling a little uneasy under his gaze.

Fortunately, Stuart quickly regained his composure. He forcibly suppressed the urge to immediately take the Karim Scorpion back to the lab for all sorts of experiments, and turned to look at Sirius with a strange expression.

"In the Ministry of Magic's register, the Karim Scorpion is classified as a danger level on par with dragons. This is because it was downgraded due to its extremely rare numbers. If there were enough of them, its danger level would even exceed that of dragons, making it an extremely dangerous creature. Every single one currently in existence is strictly monitored by the Ministry of Magic. How did you manage to get your hands on one?"

Sirius scratched his head and grinned, revealing a hearty smile.

"Although the Karim Scorpion is a highly dangerous creature, the Black family is a traditional dark magic family, and they always have special channels to obtain these contrabands, which is also tacitly approved by the Ministry of Magic."

"Besides, given the Stuart family's status, they could actually get their hands on this. I think your uncle just hasn't bought it for you because he's worried about you being in danger."

After listening to Sirius's words, Stuart raised an eyebrow noncommittally; he knew very well how powerful the Stuart family was.

The Stuart family is a standard, upright noble family that rarely gets involved in the dark magic or contraband. If all they wanted was some venom from the Karim Scorpion, the Stuart family's connections would certainly have been enough to obtain it.

However, obtaining a live Karim Scorpion is definitely beyond the capabilities of the Stuart family.

But the Black family is different. As Sirius Black said, the Black family is a traditional dark magic family, and every member is a top dark wizard who takes pride in it.

Such a family, which is completely immersed in darkness, and is even a part of darkness itself, naturally controls many channels that only exist in the darkness.

Rubbing his temples, Stuart pondered to himself,

It seems necessary to reconsider my relationship with Blake. I can no longer treat him as just a nuisance; after all, there are some things I might need his help to obtain.

However… Black seems to thoroughly dislike his identity as a member of a dark wizarding family, and if I remember correctly, he left the Black family before graduating, which is a bit troublesome.

[It seems I need to find a way to appease Black and prevent him from leaving the Black family too soon. At least, I need to hold out until I've achieved sufficient research results to directly trade with various dark magic families, without needing him to act as a go-between.]

"I don't want to get on good terms with other dark wizard families, it's too much trouble."

Stuart clicked his tongue in annoyance and muttered something under his breath.

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