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

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"I really should talk to Dumbledore. Professor Kaysen is not at Hogwarts, but his office is still making these weird noises. It's like someone is throwing something in there."

Filch and the four Gryffindors happened to pass by Kaysen's office on the way to Professor McGonagall's office.

Filch sighed as he heard the weird noises inside.

"Could it be that there is something wrong with Professor Kaysen's alchemy items?"

Filch paused and shook his head after a while: "You should tell Dumbledore first, don't tell me you are still studying alchemy."

"In fact, I know a lot about alchemy..." Hermione started to say, and was interrupted by Filch: "Then your alchemy can't be compared with Professor Kaysen, you know? The lamp he gave me last time is still bright now, and it has been more than half a semester, and I don't even need to add fuel..."

Hermione nodded: "Mr. Filch, I understand your respect for Professor Kaysen, but listen, isn't this voice a little too weird?"

Filch frowned and finally put his ear to the door of the office.

The rumbling sound inside came one after another...

"This sound is too scary. I'm going to find Dumbledore. You wait here for me. Don't think about running away. If you really run away, I'll really have to go to Professor McGonagall to ask for you!" Filch threatened the four little wizards fiercely, and then he ran towards Dumbledore's office.

"That's it... Should we run away? I heard from George and Fred that an unspoken rule of Hogwarts is that there is no punishment as long as you are not caught after breaking the rules?" Ron suggested.

"I'm sorry, because I have heard similar things, but we have been caught." Hermione shook her head regretfully.

While Hermione and Ron were talking, the other two had already taken action and began to try to open the door with the unlocking spell.

But it seems that Professor Kaysen's door is not a common mechanical lock or magic lock, but a red stone lock, so the unlocking spell is useless for this poor door lock.

"Wait... red stone door?" Harry suddenly found the blind spot, he touched his pocket and took out a red cube from it.

"Hermione, do you know how to perform a dismantling spell?" he asked.

Hermione rolled her eyes: "We almost turned Professor Kaysen's office upside down last time, but the professor didn't bother with us. Now you want to dismantle Professor Kaysen's door lock?"

Harry shrugged: "Principal Dumbledore is on his way. This door lock will always be opened. Instead of letting Principal Dumbledore use unknown powerful magic to open it, we might as well use redstone to open it now. At least we can install the shell."

".......Okay." Hermione was persuaded by Harry, took out her wand and pointed it at the door lock and chanted a spell. Soon the shell of the door lock fell down, revealing the dense redstone circuits inside, as well as the lock core composed of very small pull rods, pressure plates and buttons, and the lock head was located on several pieces of obsidian and pistons.

"It's opened. Now how do you want to open this lock?" Ron asked.

"Didn't Professor Kaysen teach us to use redstone before?" Harry took out a small piece of redstone and pressed it directly on the circuit composed of redstone powder. As the redstone powder emitted a strange light, the piston and obsidian lock retracted directly.

Harry turned around and smiled at Hermione and the others: "I have some talent in alchemy, right?"

"Yes, now Mr. Alchemist of the future, please open the door." Hermione nodded.

"Oh." Harry nodded and opened the door. The next moment, the four of them were buried by the pile of gifts that suddenly poured out from the door.

And Filch finally came here with Dumbledore who was late.

"Wow, it seems that you are all buried in the ocean of happiness." Dumbledore bent down and picked up a huge box from the ground, and looked at the ribbon and greeting card on it.

"This is what Kaysen brought you." He handed the gift to Filch behind him.

The latter took the gift with slightly trembling hands, and it took a long time to react before he remembered to open it.

Fortunately, Dumbledore stopped him: "Wait, wait until Kaisen comes back, he will give you this gift in person, and the surprised smile on your face will also be a surprise to him."

Filch quickly put the gift down: "Yes, you are right, Professor Dumbledore."

Dumbledore smiled and nodded, looking at the four little wizards who walked out of the pile of gifts carefully: "I don't know if Kaisen should sigh at your talent or replace the poor lock with a new shell when he knows you have cracked his lock."

"Don't worry, professor, we will fix it." Neville still held the lock shell that fell on the ground in his hand.

After turning over this episode related to the lock, several people also looked towards the source of such a pile of gifts, and saw that there was a place in the corner of the office that kept spraying gifts out.

Dumbledore used magic to move the gift that blocked his vision aside, and he saw clearly that the gift was sprayed from a dark green gorgeous box.

"Well, I remember that Kaisen's ring is almost exactly the same as that box, but it's a little smaller... Well, have you satisfied your curiosity?" After Dumbledore finished speaking, he looked at the little wizards.

The four little ones also scratched the back of their heads in embarrassment.

"Go back after you see it clearly. Then it's time to let Professor Kaisen, who has been late, experience this surprise." He waved his hand, and the countless gifts that poured out were neatly arranged and returned to the office. , neatly coded up.

But soon a new gift sprayed out messed up the neat pile of gifts.

"Lock this door quickly, otherwise they might come out again later." Dumbledore said hurriedly towards Harry.

Harry touched the red stone circuit with the red stone, causing the lock to retract for three seconds. Taking advantage of this moment, he quickly slammed the door back and closed the lock's shell.

The incident in the office ended just like that, and with Dumbledore's persuasion, Filch's plan to take Harry and others to Professor McGonagall's office was abandoned.

The corridor in the alchemy professor's office fell silent again until a moment in the evening...

Buzz...[Ender Teleport Sound]

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"Wardfa?"