I've already become a Hogwarts professor, and the system only just appeared.

Dumbledore saw him to the door and said, "Harry is a poor boy. If you have time, you can spend more time with him and tell him about his parents."

Su Yu chuckled and said, "Haha, Professor, do I have to tell you about how James and Sirius were hung in the tree all night?"

Dumbledore smiled, as if recalling a happy memory, and said, "If you wish, of course you can."

After leaving Dumbledore's office, Su Yu summoned the house-elf Crystal and asked her to take him to the dormitories of Snape, McGonagall, Flitwick, Professor Sprout, and Madam Pomfrey, where he gave each of them a magical cell phone.

Why isn't Professor Quirrell included? Of course, Voldemort doesn't deserve a magic phone!

After everyone received their magic phones, Su Yu created a Fetion group called "Hogwarts Loving Family".

"Can you all see this?" Professor Flitwick was the first to speak in the group.

“Yes!” Professor McGonagall was the second.

"My goodness, this is amazing! If this thing becomes widespread, owls will be out of a job!" Professor Sprout also commented.

Su Yu said, "The manufacturing process is not mature enough yet, and the cost cannot be reduced, so it can only be manufactured by hand."

Su Yu's words were half true and half false, mainly to show that the gift he gave was very valuable.

Chapter 14 Snowflakes are falling, the north wind is howling

The professors in the group chatted enthusiastically and even added each other as friends. Su Yu, on the other hand, looked at the latest revealing photos taken by Chen Ying and then put down his phone.

Su Yu mentally reviewed his system; currently, the system had given him two main tasks.

One story revolves around Harry, the savior, while the other revolves around Dumbledore's plans.

Su Yu had forgotten most of the details of the original plot, but he still remembered the general direction. The two missions should ultimately lead to the same goal, which was Quirrell, or Voldemort and the Philosopher's Stone.

Given Su Yu's current skill level, trying to confront Voldemort head-on would only lead to his death. Therefore, he needs to think about how to maximize his gains while completing the mission.

Besides the mission, Su Yu also needs to think carefully about the two skill points he just acquired. Continuing to add to his magic power is a good option, but for the time being, Su Yu's magic power is already sufficient.

Adding alchemy points wasn't enough, and Su Yu felt that with his talent, once his magic power and control were improved, it wouldn't be impossible for him to break through to Alchemy LV9 with some more time, so there was no need to waste skill points.

Potions, herbs, and flight are not considered for the time being, so what's left are spells, dark magic, defense, and polymorph.

After thinking it over for a long time, Su Yu decided to forget about it and save up his skill points first. Anyway, there were still so many side quests to complete. He could get those exclusive skill points, add them, and see the effects first.

On September 2nd, the first day of school at Hogwarts, since Muggle Studies is an elective course with a small number of students, all four houses will attend the class together.

In this way, Su Yu only needs to attend 5 classes per week, all of which are in the afternoon.

After struggling with his thoughts last night, Su Yu finally decided to try his luck in Professor McGonagall's Transfiguration class today to see if he could handle this side quest.

So he got up very early, mingled with the first-year Ravenclaw students, and walked into Professor McGonagall's Transfiguration class.

To be honest, Su Yu himself felt quite embarrassed. This reminded him of the time before he transmigrated, when new teachers at schools always had to listen to and learn from experienced senior teachers.

What made Su Yu even more upset was that the system actually required him to gain the professor's approval in class. Sigh, I wonder if my shoes are sturdy enough, or I'll get torn by my toes.

The young wizards spotted Su Yu early on; after all, he was so tall, how could they not notice him? And Professor McGonagall, just like in the original story, had transformed into a tabby cat and was perched on the podium.

Seeing Su Yu enter, Professor McGonagall assumed he had something important to discuss, so she deactivated her transformation, reverted to human form, and said:

"Su, is there something you need to talk to me about?"

"Wow, your Animagus transformation is still so lifelike! I almost forgot it was a real cat!" Su Yu's main approach was to flatter Professor McGonagall first.

However, Professor McGonagall did not appreciate the gesture. She frowned at Su Yu, her eyes conveying a clear message: If you have something to say, say it quickly, don't disturb my class.

Su Yu was a little embarrassed and touched his nose, saying, "It's nothing, Professor McGonagall. I just haven't attended your lectures in a long time and I miss them, so I came to check it out. May I audit your class?"

Professor McGonagall shrugged. "Of course you can, Sue, but if it's you, I suggest you take a seventh-year course. First-year Transfiguration is too easy for you."

"Hehe, that's how you start with something simple, after all, my previous results with Transfiguration weren't very good," Su Yu said with a laugh.

“Alright, in that case, let’s begin the lesson. Sue, you sit in the last row!” Professor McGonagall turned and walked to the podium, ready to start the lesson.

Su Yu obediently sat in the last row. The spell for the Transfiguration Charm is very simple: Vera Verto! You can use this spell to transform into whatever you want.

The difficulty doesn't lie in the spells, Professor McGonagall would say, but in the belief and understanding of transforming objects.

But Su Yu knew that in addition to these two points, there were two other difficulties: the amount of magic power and the subtle control over it.

Professor McGonagall didn't say anything, not because she didn't know, but because there was no need to discuss these things in the young wizards' class.

Young wizards have very little magic, and their control over it depends entirely on talent. Their first transformation item is a needle, which almost everyone knows. So, the only thing young wizards need to do is have faith, unwavering faith.

Perhaps because Su Yu was there, Professor McGonagall went a little further when explaining the details, which Su Yu also gained some insights from.

The first half of the class was theory, and the second half was practice. Su Yu had been waiting for this moment. When Professor McGonagall handed out matches to the students, Su Yu quickly said, "Professor McGonagall, could you give me one too?"

Professor McGonagall looked at Su Yu and paused for about two seconds: "Of course you can."

Su Yu drew his wand, pointed at the matches on the table, and said: Vera Verto!

The next second, the match on Su Yu's desk instantly turned into a tiny needle, indistinguishable from a real needle.

Although Su Yu's talent in magic other than alchemy was mediocre, his Polymorph was at least at level 4, so transforming into a target was a piece of cake for him.

After completing the transformation, Su Yu looked at Professor McGonagall with his big, bright eyes, which were full of anticipation, as if to say: Praise me, praise me!

Professor McGonagall also looked at Su Yu, but her eyes were full of doubt, as if to say: You're a professor, conjuring up a needle, why are you looking at me so expectantly? Do you want me to praise you?

The two stared at each other for ten seconds before Professor McGonagall finally spoke: "Sue, you really are more suited to alchemy!"

Su Yu's expression froze: No, this is not what I thought. And Professor McGonagall, are you swearing at me? What do you mean I'm more suited to alchemy?

Professor McGonagall ignored Su Yu and turned to watch the other young wizards' transformations. Su Yu seemed to hear a background music playing in his ears: Snowflakes are falling, the north wind is howling~

After class, Su Yu felt he had to talk to Professor McGonagall, so he caught up with her: "Professor, please wait a moment."

"Oh, Su, is there something?" Professor McGonagall turned around and looked at Su Yu.

Su Yu organized his thoughts and said, "Professor McGonagall, I think that if a student completes the task assigned by the teacher in class, the teacher should give the student recognition and encouragement."

Professor McGonagall nodded: "Sue, you're right. Students who receive affirmation are more motivated to learn. So in the future, you should encourage the young wizards more in class. When appropriate, you can also give them extra house points, but it's best not to exceed 5 points at a time."

Su Yu was speechless. Was I discussing adding college points with you?

So Su Yu chose to be direct: "I think I did pretty well in class just now!"

"You mean I should praise you?" Professor McGonagall asked, somewhat surprised.

Su Yu pursed his lips and nodded somewhat shyly, but Professor McGonagall's next words chilled him to the bone:

"I'm sorry, Sue, to be honest, your Transfiguration skills haven't improved at all since you graduated... not a single improvement... not a single... improvement..."

The background music starts again: Snowflakes are falling, the north wind is howling~

Chapter 15 If it's dark in the east, it's bright in the west!

Su Yu was very angry. "You accepted all the gifts, I did everything you asked, and I tried so hard. Why can't you give me some recognition and let me complete the task?"

Ravenclaw has a Potions class in the morning, and after thinking about it, Su Yu decided to give it another try.

As a result, Snape completely ignored him, disregarding Su Yu for the entire class. After class, Su Yu approached Snape again, and with this old friend, Su Yu was much more direct:

"Snape, I just successfully brewed the scabies medicine. Shouldn't you show your appreciation?"

"Something to show? What do you mean? Are you referring to your clumsy operation, or your chaotic magic vortex?"

"The fact that I didn't scold you directly in class is the biggest sign of my respect for you. Go back and study your alchemy! Don't waste your time on potions!" Snape was equally blunt, making Su Yu sound utterly worthless.

After failing twice in a row, Su Yu was furious. In the first class of the afternoon, the little eagles went to Quirrell's Defense Against the Dark Arts class.

Su Yu originally didn't want to come. He didn't know Qi Luo before, and he hadn't given Qi Luo anything. He figured Qi Luo probably wouldn't accept him.

Strangely enough, Quirrell approached him directly: "Professor Su, I heard that you attended Professor McGonagall and Professor Snape's classes this morning. I wonder if you have time to come to my class this afternoon to give some guidance?"

Looking at his LV3 dark magic and defense, Su Yu waved his hand: "My dark magic defense is terrible, so I don't think I can teach you."

"No...it's alright, Professor Su. This is also my first time teaching Defense Against the Dark Arts. Please come and listen; perhaps you can offer some advice I haven't thought of before," Quirrell stammered, extending another warm invitation.

Left with no other choice, Su Yu followed Quirrell into the Defense Against the Dark Arts classroom.

Having experienced it twice this morning, the students were no longer surprised by Su Yu coming to class, and they were all eagerly waiting to learn about black magic.

However, to their disappointment, Professor Quirrell's lectures were rather boring. He not only spoke very softly and stuttered, but most importantly, he was simply reading from a book rather than lecturing.

Before long, the little wizards seemed to be under a hypnotic spell, each supporting their little heads with their arms to avoid falling onto the table.

Some students were playing around downstairs, but Quirrell paid no attention to them, completely absorbed in his own world of reading.

Su Yu knew this was probably because Voldemort behind Quirrell's head was putting a huge burden on his mind, but listening to lectures like this was really too boring.

Su Yu suddenly stood up and said, "Professor Quirrell, I think Defense Against the Dark Arts should be a more practical course. No matter how much theoretical knowledge they learn, it's better to let the children cast a few spells, such as Exorcism."

Su Yu originally just wanted to complain a bit, vent his frustration, and then find an excuse to leave quickly.

But Kechiro seemed to have been inspired and said, "Oh, Professor Su, you're absolutely right. Why don't you demonstrate to the children how to use your weapon?"

Ah...why did he actually take advantage of this? Under the watchful eyes of Ravenclaw and the first-year Hufflepuff wizards, Su Yu walked to the podium, drew his wand, and said:

"The incantation for the Disarming Charm is: Disarm! Its effect is to knock down or knock away an enemy wizard, causing them to lose control of their wand."

"When chanting the spell, the emphasis should be on the 'Chu' sound. When you wave your wand, you can add some arc to it. This can change the angle at which the other person's wand flies out to some extent, making it easier for you to catch it."

As he spoke, Su Yu took out a mannequin wizard from his seamless stretch bag. It looked a bit like a mannequin in a Muggle shop window, and it was, of course, also Su Yu's product.

This dummy wizard can not only serve as a target, but also store magic to release spells, allowing wizards to practice spell defense.

When appropriate, it can even be used as a trap, set in an inconspicuous corner. When someone accidentally triggers the mechanism, it will cast a curse on the other party, making it very useful.

At this moment, the dummy wizard was not activated; it simply stood there quietly, holding a magic wand.

Then Su Yu waved his wand and fired at the dummy wizard: Expelliarmus!

A red light shot out from the tip of Su Yu's wand and struck the dummy opposite him.

The dummy wizard was immediately sent flying backward, crashing into the wall at the back of the classroom, while its wand was tossed high into the air, though it seemed to have gone a little too far off course.

Su Yu quickly moved two steps to the left and caught the flying magic wand, completing the demonstration quite perfectly.

"Excellent...wonderful presentation, thank you Professor Su!" Quirrell was the first to applaud.

The young wizards, having recovered from the dazzling magic, applauded Su Yu.

Although Su Yu's black magic and defense were only LV3, he was quite proficient in using this weapon, and he was quite proud to have gained everyone's recognition.

Just then, a system notification arrived: Congratulations! In the Defense Against the Dark Arts class, your brilliant Disarm Charm was recognized by Professor Quirrell and all the students.