From Azkaban To Hogwarts

"What a troublesome thing that makes people happy..."

William looked at the small crystal bottle of blood in front of him and couldn't help but sigh.

He has never been so wealthy since he killed that Horcrux - this does not refer to financial abundance, but the choice of the next path.

During this period of time, he gained a lot. He made major breakthroughs in transformation, became more proficient in wand-free spellcasting, and made even more frightening progress in black magic - but it was precisely because of his progress in these areas that he gained a deeper awareness. Come to the difference between yourself and the top wizard.

'We can't rely on the magic stone for the time being. It is possible to separate part of the blood to research a magic potion that can improve one's abilities...'

The unicorn blood that has lost its curse effect is much more precious than the elixir in any sense - more importantly, it is just a raw material, and magic potions are developed to improve the effect of the raw material. To the extreme.

'The Animagus state of spellcasting has also gained some insights. If it can be done, it will be terrifying...'

'The research on human body transformation has reached a certain level. I estimate that if I invest for a while, I can do more in-depth research in the field of transformation...'

'In addition, the study of some spells is also...'

William couldn't help but sigh - now he has too many choices in his hands, and every one of them seems to be very good, so good that people can't bear to give up.

'It's not time to give up, and I always feel that magic is not that fragmented... When you can, learn from them all first, and it is not impossible to draw parallels...'

'It's just that this Easter holiday...you have to make a choice...'

He looked at the things at hand, hid the uncursed blood of the unicorn deep in the bag, and then put most of the other books aside, leaving a few potions notes alone.

"Let's start with the potions... The Easter holiday may or may not be long, but it will be fun to learn something from Mr. Belby..."

Potions like Wolfsbane Potion, which has a strong personal color and almost completely innovative ideas, are undoubtedly the products of a potion master at his peak. He can listen to the ideas at close range and even participate in the process of improvement. It is very important for his magic. The level of medicine is extremely helpful.

"Then, bring these more...that's enough."

——

"It's really strange. There aren't many homework assignments in each subject."

On the Hogwarts Express, the fifth graders had one game and one question - this year was obviously the OWLs year, but their homework was not much more than that of the fourth graders. It was really confusing.

Especially the self-defense course, which is known as the difficulty of hell. If the previous homework was not enough, it would be hell. This Easter holiday, there was no homework assigned at all.

"Anyway, that's it for the homework - to be honest, when I saw Professor McGonagall's homework, I almost couldn't help but remind the professor that the Easter holiday is long and he should give more assignments..."

"If you had the guts, could you have warned me to see if you would be challenged to a duel?"

“I wouldn’t dare—but let’s just say it now, the professor can’t catch up with the train to give homework, right?”

The student who started the topic winked and made witty remarks - his expression successfully made everyone laugh.

However, just as everyone was laughing wildly at this not-so-funny topic, the child who was speaking was dumbfounded and froze in place as if under a petrification spell.

"how--"

The students next to him tried to pat him to see what was wrong, but they saw William holding a pile of snacks and looking at them with a smile.

"Ah, hello, professor!"

"Hello to you too."

William nodded, "The snacks on the train are good, you can try them."

He moved his left hand to make a few pieces of food fly up and land on the table among the students. "By the way, remember to close the door of the box during the next discussion. Although the holiday mood is understandable, it is too noisy. Not good."

After finishing all this, William hugged his snacks and walked quickly to his box, leaving behind the students who were looking at each other.

To be honest, if he hadn't been worried about the limited-edition food on the dining car being sold out, he wouldn't have bothered to disturb the students' happy time.

Ignoring the rat-like student with a low voice behind him, William pointed at his box and pointed his finger, then entered the box and put the snacks on the table, "Professor Lupine, it's time to eat."

However, unlike William's happiness, Lupine was a little nervous at the moment. He picked up a pack of multi-flavor beans without opening the package, "Is that Mr. Belby really coming?"

"I'm pretty sure, Professor Lupin."

William nodded, "There's no need to be so nervous, Professor Lupin. I know you think Professor Belby is great and even has kindness towards werewolves, but to be honest, he doesn't like that."

"Furthermore," William lowered his voice, "I can secretly tell you that we are actually going to do a somewhat dangerous experiment next, and we need your help."

"help?"

Lupine didn't even ask where the danger lay, "What can I do?"

"Many, very many, I will minimize the risk," William looked at Lupin, "To put it simply, we are going to make some improvements based on the existing wolfsbane potion, because we have discovered a method that can Interesting phenomenon integrated into potions.”

"Do I need to try the medicine? That's absolutely fine."

Lupine nodded decisively.

"No, how could it reach that level in such a short time..." William waved his hand quickly, "It's just that there are some things that require your cooperation."

He would not rashly let Lu Ping test the medicine - not to mention that the horoscope for the medicine had not yet been revealed. Even if the finished medicine was really available, William would have already selected the most suitable candidate for the medicine test. Why? Could Lupine be responsible for such a dangerous job?

"I can do whatever I want."

Lupine's voice was small, but extremely firm.

"Okay, okay, you're busy."

Seeing that he couldn't persuade Lupine, William shook his head. He had to communicate with Moody as soon as possible. He originally wanted to wait until the potion was ready, but looking at Lupine's momentum, it didn't look like he wanted to wait any longer.

The self-defense course was finally on the right track, and he had no intention of sacrificing his colleagues.

——

"Professor William, is that Professor Belby really coming?"

At the terminal, Sirius, who came to pick him up, hugged Lupine excitedly and asked William in a lowered voice.

"Yes, today is the day. He has come to London. I will pick him up in Diagon Alley later - he flew there using the Floo network."

"Ah, this is really, really...so rude."

Sirius looked as nervous as Lupine - the inventor of Wolfsbane potion came to visit him and wanted to improve the potion, which really made it difficult for him to treat him normally.

If it were just him, maybe he would just be polite to the professor, and it would be different if he did not agree with the other person disrupting his life, but there was Lupin.

"Don't worry, Mr. Bellby has been everywhere. He is familiar with London..."

"That's not okay. It's too rude. Let's go pick them up now..."

"But Harry hasn't come out yet," William glanced around to make sure he didn't see Harry, so he pulled a student over to ask, and quickly got the answer - Harry was saying goodbye to his girlfriend...

"What time has it been..."

Sirius was a little anxious, and then he saw a familiar figure, "Hi, Arthur!"

Mr. and Mrs. Weasley also came to pick them up. They were stopped by Sirius and greeted him warmly. After a few words of greeting, Sirius asked in a somewhat apologetic tone, "Sorry, Asia." Se, I have something urgent to deal with, can I let Harry stay at your house for one night?"

"Borrowing?"

Mr. Weasley was stunned for a moment, then smiled, "Of course, of course it's no problem. It doesn't matter how long it takes."

"That's great."

Sirius answered with relief, and then nodded towards William, with a hint of urging in his eyes.

'This is too impatient...'

William shook his head helplessly, but Harry was still safe at the Weasley house - Harry had lived there a long time ago, and Dumbledore trusted him.

It's just a pity that Sirius let Harry stay here, so he couldn't remind the Weasleys to keep an eye on the twins - as their professor, he had obviously observed that the frequency of their pranks had decreased recently.

Except for the almost impossible thing that the two of them suddenly changed their minds, there was only one possibility left - the two of them were brewing a huge conspiracy.

"By the way... I have to tell Dumbledore that Harry will stay at the Weasley's for a night... Although the Weasleys are trustworthy, after all, this is a special time..."

He found an owl post office nearby and sent the letter to Professor McGonagall and Dumbledore at the same time, so that Professor McGonagall could relay it immediately if Dumbledore fished.

"Come on, pick up Mr. Belby."

After he finished his work, the three of them found a hidden place and began to disapparate.

——

"I'll write to you every day."

Harry lifted Hedwig, looked at Cho Chang, and said something that made the owl angry.

However, neither of them thought about the hard-working owl, but they were a little reluctant to be there - they could see it every day when they were busy at school, but now that they are on vacation, they can only rely on the owl to communicate...

They talked reluctantly until the crowd dispersed, and they could not move towards the exit of the station.

Only then did Harry think of a serious question.

'It's over, Sirius and Lupin, and the Professor! They must have been waiting for a long time! ’

Thinking of this, Harry felt so guilty that he actually lost track of time!

'I'll be laughed to death, whether it's Lupine or Sirius...'

With despair and guilt, he even started to jog and hurried towards the exit. However, when he looked up, Sirius, Lupin, and Professor were not there.

‘Are you kidding? Or…'

He couldn't help but reach out for the wand, but out of the corner of his eye he spotted Ron's type of red hair that he was very familiar with.

He suddenly became less anxious and walked over there with the suitcase in hand. He had lived with the Weasley family when he was in second grade and liked this family very much.

"Harry."

Mrs. Weasley smiled kindly, "Is it over?"

This question was a bit ordinary, but Harry couldn't help but blush.

"My box is open..."

He was not good at telling lies, "It took some time to process."

"By the way," Harry started the topic of converters, hoping not to discuss this embarrassing matter, "Have you seen Sirius? I didn't find him."

"Sirius entrusted it to us," Mrs. Weasley said with a little teasing in her kind smile, "He said he had something important to do, so you go to our house to stay one night first, just to keep Ron company. "

"Where's Ron?"

"It's not out yet—his box is probably open too."

——

"The house is a bit messy. I hope you can get used to it, Mr. Belby."

Sirius was welcome as host, but Mr. Bellby was more anxious than he expected.

"Can I go and see the laboratory first?" He asked Sirius without putting down the box, "I told Professor William that in order to adjust the medicine, we need a less crude laboratory. I have all the equipment. I have brought a lot of raw materials with me, but the laboratory must be absolutely secure..."

There are almost no fancy instruments in magic experiments, but sturdiness is a must - experimental accidents can happen too easily, and the house may even be sent to the sky.

"The basement has been renovated and the protection has arrived. The quality is very good."

Sirius nodded - this kind of problem solved with Galleons was not that difficult for him.

"That's great, let's go check it out first."

Belby rushed to the laboratory quickly and resolutely, and the others showed no intention of stopping him. They took the box directly to the basement.

"Very good, very good. If you reinforce it with magic materials, it can almost be regarded as the top configuration of a personal laboratory."

While praising, he opened his suitcase - the space inside was enlarged many times by the invisible expansion spell.

"Look at my instruments, Professor William, how about this crucible!"

While waving his wand and occupying the laboratory table, Belby showed off to William - others would definitely not be able to understand, and only showing off to people who know the truth is the correct thing to do.

"Wow, is it a handmade crucible from Germany?"

William's eyes lit up, "A master's handiwork?"

"Yes, good eyesight!"

He laughed and then introduced his instruments one by one.

…

"Okay, it's initially completed!"

"Great, is there anything else you need help with?"

Although Lu Ping didn't understand much, he still volunteered to step forward.

"Well...Professor Lupin, there will be times when we are in need," Mr. Belby hesitated, then turned to look at Sirius, "It's hard to make it too clear in the letter. The main force behind this research and improvement is Mr. Black. Professor William and I are just supporting people."

"I?"

Sirius was stunned for a moment, then laughed, "It's okay, I'll cooperate fully."

"That's great!"