Hogwarts: I rely on MC to pretend to be an alchemy professor

A book and a pen suddenly appeared in his hand. He copied down all the parts about alchemy of flesh and blood in "Forbidden Alchemy", then put "Forbidden Alchemy" back on the bookshelf, picked up his own manuscript and was about to go home.

On the way back to the office from the library, Kaisen suddenly heard a series of footsteps, as if they were running away.

He didn't say anything about it. Filch caught little wizards who wandered at night, which was nothing new.

It wasn't until he had walked nearly 20 meters away from the staircase that he realized that the stairs seemed to be the classroom where Dumbledore used to fish.

And Hagrid's three-headed dog was also in that classroom.

"My drop Merlin!"

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The Ender Pearl appeared in Kaisen's hand instantly, and in just three breaths, he appeared outside the door of the classroom.

He quickly pushed the door open, and then saw four little wizards.

At the same time, a bright light came from the distance, and a breathless voice came.

"Is that Professor Heath? Have you seen the four little wizards wandering at night?"

Kaysen looked down at the four little wizards squatting in front of him and shaking their heads frantically, and Filch holding a lantern not far away, and shook his head.

"Is that so? I'll go to other floors to look for them! Those naughty little guys, they can't escape from my palm!" Filch said sinisterly and walked towards the stairwell.

After Kaisen confirmed that Filch had left, he quickly picked up all four little wizards in the room in two rounds each.

"Harry, Neville, Ron, Hermione, tell me why you wander at night, no, compared to this, wandering at night is a complete trivial matter, do you know that this big guy only needs two rounds to eat the three of you?"

"Even the last one will be divided into three parts!"

Kaysen scolded seriously after bringing the four little ones back to the office.

"It was Malfoy. He asked us to duel, but he ran away and reported us to Filch. We were afraid of losing points..." Ron said a little aggrieved.

"It's just a score. Why let Filch deduct it? Didn't Dumbledore tell us about the danger of the empty classroom at the beginning of the school? Did you ignore it?"

"Is it better to lose points or die? At worst, he can only put you in detention. Is death more acceptable than detention?" Kaisen stood up again, put his hands on his waist and kept talking.

"If it's Snape's detention, it's really not as good as..."

"Harry, shut up! You don't realize the seriousness of this matter now!"

"You misjudged the danger of the two results. You should have thought of Dumbledore's warning to you before you hid in that classroom. Well, maybe you panicked and didn't react, which is fine, but when you saw the three-headed dog, why didn't you escape immediately?"

"Do you really think that big dog sleeps peacefully? Even if I didn't say it, you should be able to see clearly that if the big dog really attacks you, Harry, Naveen, and Ron will be the last one to attack you, and Hermione will be the last one and the worst, because you will be bitten into three pieces!"

Kasen became more and more angry as he spoke. In the evening, he and Snape went to load potions into the potion launcher of the piston door.

And an adult wizard like Snape, before entering, Kaisen clearly saw a layer of silver light flashing on his body, which should be the armor charm, and the three-headed dog bit through his defense.

What was even more frightening was that Kaysen later knocked the three-headed dog unconscious, and the coma and sleep were seamlessly connected, which meant that the three-headed dog had not eaten dinner.

If the three-headed dog woke up in a daze while the four of them were hiding, and then found three staple foods and a snack.

"You... Come on, you wait for the deduction of points, no, I am also a professor, I will directly deduct points from you, four people in Gryffindor, each deduct 20 points!"

The four little wizards all lowered their heads. For the first time, they felt that Professor Kaysen, who was usually gentle like a little sun, was so scary when he got angry.

His furious momentum was no less than that of Professor McGonagall, and his clever articulation was no less than that of Snape.

However, a sensitive little wizard saw a hint of different emotions under the anger.

"I'm sorry... Professor." Neville lowered his head and said with a sobbing voice.

"Neville... er... Neville!"

Kaysen subconsciously wanted to squat down to coax him, but he soon reacted and still had to be serious, serious, and serious again!

"Do you know you're wrong?"

"Yes..."

"What do you know?"

"You shouldn't have gone to that classroom."

"Besides that, you didn't see the situation clearly. Can't you use your brain to calculate, which is more terrifying, deduction or death?"

"Yes, professor, yes."

"Also, you can't hold on to that fluke mentality. I knocked the dog unconscious in the afternoon. Just now you can't be sure whether it is asleep or unconscious. What if it wakes up, or wakes up from hunger..."

"Neville...Neville?"

Kaysen looked at the floor under Neville's feet, which had a small bubble. He sighed with his hands on his hips.

"Forget it, you should have known the seriousness of this matter."

"Yeah."

"Also, you learned from this incident..."

"Next time you encounter something, weigh the pros and cons in your mind... Although this sounds like Slytherin..." The four of them said it together, and Ron muttered it alone.

"The characteristics of the four colleges are all advantages. You can't turn a blind eye to Slytherin's advantages just because you hate Slytherin, or even abandon them." Kaisen added.

"We will, professor."

"Okay, now go back and go straight to your dormitory." Kaisen said and pointed to the door, and the wooden door opened with a click.

"Forget it, I still don't trust you a little bit. After all, you are Gryffindor. I'll take you back."

"Professor, you don't have to be like this." Neville looked at Kaisen with red eyes and said.

"Just think of it as helping you avoid Filch."

The five of them were silent all the way until they arrived in front of the Gryffindor Tower and watched the four of them all get into the stone cave behind the Fat Lady. Kaisen's originally serious face relaxed.

"It's really tiring to keep a serious expression. I don't know how Severus can keep it up for 24 hours a day... and my flesh and blood alchemy takes two hours... Filch is right, these little wizards are really too naughty..."

"Gryffindor's little wizards are a little bit stupid."

Kaysen muttered to himself and walked back to the office.