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

"Ah?" Harry and Dumbledore, who were in a passionate confrontation with Dobby, looked at Snape in bewilderment.

"...Such a serious mistake should be expelled directly, but I only deducted points in a normal way." Snape explained.

"It's all your fault. I deducted another 200 points." Harry kicked the cage that held Dobby.

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"In fact, the respected Mr. Harry Potter deducted 400 points." Dobby said timidly.

"Only 200!" Harry said with a vicious expression.

"Oh, poor Harry Potter, because he loves his professor, he has lost his wisdom and can't even do math."

"Puff!"

Kaysen touched his chin awkwardly: "I remembered something happy, let's continue."

Dumbledore finally walked over and patted Harry on the shoulder: "Dobby, why did you let Harry leave Hogwarts?"

"Because Hogwarts is very dangerous now, you can't imagine what has entered Hogwarts."

"We know, isn't it the basilisk! The glasses Professor Kaysen gave us can resist the attack of the basilisk, you stupid...elf!" Harry pointed to the glasses on his nose and said.

"No, it's not the basilisk, it's something more terrifying." Dobby screamed.

"What is this more terrifying thing?" Dumbledore asked.

"No...I...I can't say." Dobby cried and shook his head.

"Let me guess, is it a pitch-black notebook?"

Dumbledore said faintly.

"What? How could you... No, Dobby can't say it!"

Kaysen and Snape, who were sitting on the glass steps, looked at each other.

"It should be Voldemort's Horcrux. I didn't expect the Malfoy family to have such a thing." Kaisen said in a low voice.

"During the heyday of the Dark Lord, the Malfoy family was almost inseparable from the Dark Lord, and it can be said that they were close. In this way, it is not difficult to understand that the Dark Lord's Horcrux is hidden in the Malfoy family." Snape explained.

"But shouldn't this kind of Horcrux help the Horcrux to revive? Why did the Malfoy family choose to send the Horcrux directly to Hogwarts? Isn't this pushing the Horcrux into the fire pit?"

"If it weren't for your alchemy glasses, it would be Hogwarts that was pushed into the fire pit." Snape said concisely.

"Well... I will take this sentence as a compliment." Kaisen said.

On the other side, Dumbledore's blue eyes stared at Dobby for a long time before finally giving up.

"Kaysen, let him go."

"You won't ask any more questions?"

"Maybe it's a conspiracy of the Malfoy family!" Harry's voice almost overshadowed Kaisen's. It was obvious that he had a lot of opinions about Dobby.

"Maybe the Malfoy family has a conspiracy, but it has nothing to do with Dobby, and we should know almost everything we know." Dumbledore explained.

"Okay." He walked over, took down the Ender Pearl on the Infusion Table, and gently tapped it with his hand.

"You can go." He said.

"Thank you." Dobby said thank you politely, snapped his fingers and disappeared.

"You can leave Harry." Dumbledore said.

Harry looked at the office door far away in the sky.

"Uh........." He looked at Kaisen, then at Dumbledore, but fortunately he saw Snape in his hidden eyes, and finally decided to walk away.

"Interesting little thing, it can also prevent the house elves from Apparition?" Dumbledore said as he looked at the Ender Pearl that Kaisen was playing with in his hand.

"The infusion time is not enough, otherwise it can stop the phoenix."

Kaysen said and tapped the Ender Pearl again, and it instantly emitted a burst of purple light, imprisoning the nearby space.

Then a ball of fire burned in his hand, burning the Ender Pearl to ashes.

"Huh?" Dumbledore didn't understand.

"The infusion time is not enough, I can make him stop the Phoenix's teleportation if I try hard." Kaisen explained.

".............You are not trying to stop me, are you?" Dumbledore suddenly said without thinking.

"Well.......How could it be, you are my headmaster, why would I take care of you if I have any problems, don't worry, I won't."

Kaysen's forehead suddenly broke out in cold sweat.

"That's the best." Dumbledore nodded.

"What about the Malfoy family?" Snape, who was sitting on the glass steps, asked.

"Let them go, if it weren't for them, we still don't know the secret of Tom's resurrection." Dumbledore waved his hand.

"...Yeah, okay." Snape nodded and turned into a ball of black mist and flew towards the office door.

"I'm leaving too. By the way, Kaisen, the hall cooked beef ribs at noon today. You might like them." Dumbledore said and teleported away.

"Yeah... beef ribs... on the hour."

Kasen said and teleported to the hall.

....................................................

After a long time, Kaysen returned to the office. After he opened the door, he happened to see Harry opening the door.

"Huh? Did you sneak in again?" he asked.

Harry was on the verge of tears: "Professor, I haven't gone out yet!"

Kaisen touched his chin in embarrassment. How could he explain such a thing? He couldn't explain it. Ever since he changed his office to a large ender box, it had been out of control. On average, it had to be expanded by several square meters before going to bed every night.

"...How about I add a bus to the office?"

Harry looked at Kayson with a sad smile: "Maybe, Professor, do you still remember what you said about the bad weather on the Quidditch pitch?"

"Well, remember what happened?"

"Perhaps during the next Quidditch match, if the weather is bad, we can play in this office." Harry complained ruthlessly.

"Of course, I'm planning on playing polo in the office...but there's still room."

"What's missing? It's not the venue after all."

"Lack of horses, lack of balls, lack of sticks... and lack of people."

"Okay Professor... I'm a little short of rest now, really, I'll have to hold my broomstick next time too."

"Uh-huh... come again next time."

Harry stumbled and almost fell to the ground as he walked out of the corridor.

"Young people...you just need to exercise hard." Kaisen hummed a little tune and teleported directly to the sofa, took out the magic manual and started preparing for the week-long underwater class.