Hogwarts Passer-By Professor

After getting out of the fat lady's portrait hole, the three of them soon came to the corridor where the attack took place.

The scene of the original attack has changed. The accumulated water on the ground has been cleaned up, and the area around the corridor has been cleaned up. On the torch stand, the petrified Mrs. Norris is no longer there. But on the wall a foot above the ground, the writing on it is still so conspicuous.

"Be careful, see if Filch is hiding in the corner." Ron reminded in a low voice from behind, while turning his head to look behind him from time to time.

To be honest, Ron's caution was not unreasonable. Filch was very sensitive these days because of Mrs. Norris' attack.

At times, Filch would pace the scene of the attack, seemingly waiting for the attacker to reappear. Sometimes, they hide secretly in the corridor, and immediately go up to the students and find an excuse to put them in confinement after discovering them.

"Don't worry about it, we're just checking to see if there are any clues!" Hermione said, moving to the corner.

"What did you find?" Harry squatted down, his glasses almost touching the ground. Only then did they realize that rows of spiders were quickly fleeing to the outside of the castle as if they were lining up.

"This is—" Harry suddenly showed a surprised expression.

"That makes sense, the snake that the spider was released in the Chamber of Fear!" Ron said, but shivered and backed away, showing a look of fear.

"That's right, we're close to the truth. But, you don't need to be so scared." Hermione said excitedly, but was immediately amused by Ron's trembling appearance.

"Hmph, what do you know—if you were teased as a child and the toy you were playing with turned into an ugly spider, you wouldn't like them either!" Ron paled, and said With a feeling of shame turning into anger, he told about being pranked by Fred when he was three years old.

But unexpectedly, after Hermione heard it, she laughed even more cheerfully.

"Do you remember the puddle of water on the ground? It's gone!" Seeing that a conflict was about to break out between the two, Harry quickly changed the subject.

"It must have been Filch who mopped the floor. He cleaned the corridors all the time." After hearing Harry's words, Ron expressed his guess.

"But where did that water come from?" Harry felt that this was not a problem that should be ignored.

Afterwards, Hermione seemed to have thought of something, and after exchanging glances with Harry, she looked at the girls' bathroom directly opposite. Ron stepped forward and grabbed the brass knob of the door, but pulled his hand back the next second.

"No, we can't go in!"

"What's wrong?" Harry asked puzzled.

"That's the girls' bathroom! It's the place of the Moaning Myrtle, and no one usually—" Hermione said indifferently, but when she was halfway through the conversation, her eyes lit up suddenly, and she screamed in surprise, "Weeping Myrtle, maybe Weeping Myrtle saw all this when the attack happened that day!"

But sadly, while Moaning Myrtle was surprised by the arrival of the trio, and surprisingly didn't cry too much, it didn't reveal much useful information either.

"God, we shouldn't be in the girls' bathroom, that crying myrtle, who doesn't know anything. Worse, Percy caught five points!" On the way to the Gryffindor common room , Ron said indignantly.

"Who do you think will be the heir to the Chamber of Secrets?" Hermione asked quietly. "Who wants to keep Squibs and Muggle-borns out of Hogwarts?"

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"Slytherin's heir, of course, is also Slytherin!" Ron spread his hands, "Besides, who would think that Muggles and Muggle-born wizards are trash and idiots?"

"If you're talking about Malfoy—" Hermione had a skeptical look on her face.

"Of course it's him!" Ron put the pot on Malfoy unceremoniously, "Don't forget how he scolded you on the Quidditch pitch—"

"Malfoy will be Slytherin's heir?" Harry was equally skeptical. However, when he thought that Malfoy's whole family was Slytherin, and the other party often showed it off, Harry felt that the possibility was very high.

"But isn't the hallmark of a Slytherin heir to be cliché?" said Ron, casting a suspicious look on Harry.

"What were you thinking? Harry was with us at Nearly Headless Nick's Deathday party when Mrs. Norris was attacked?" Seeing Ron like this, Hermione couldn't help but roll her eyes.

"Oh—yes, then—that must be Malfoy!" Ron froze for a moment, and said with a little embarrassment.

"His father is evil enough! Maybe they held the key to the Chamber of Secrets and passed it down from generation to generation, for many generations!" Harry thought of what he had experienced when he accidentally entered Knockturn Alley and met Malfoy and his son. Can't help but nodded.

"It's indeed possible!" Hermione had a look of approval on her face.

"But we can't prove this guess!" Harry had a pessimistic look on his face.

After returning to the Gryffindor common room, the trio sat together to continue discussing the topic just now.

"I think we can find a way to prove that the heir of Slytherin is not Malfoy!" Hermione said in a low voice to Harry and Ron.

"What way?" Harry suddenly perked up.

"Uh, but this method is not easy to do, and it's very dangerous, I'm afraid it will violate fifty school rules!" Hermione's face was a little hesitant. There is no way, for a top student who used to stick to the school rules as the bottom line, it is really embarrassing for her to say a way to violate the fifty school rules.

"Then tell us if you're willing to wait a month later!" Ron looked impatient.

"Well, it's okay if I tell you." Hermione's eyes sparkled, "We can go to the Slytherin common room and ask Malfoy a few questions without him recognizing us!"

"But it's impossible!" Harry was immediately discouraged, and Ron on the side seemed to be laughed out of anger.

"Of course it's possible, we just need some Polyjuice Potion!" Hermione revealed the mystery.

"Polyjuice Potion? What's that? Is it useful?" Harry and Ron looked at Hermione blankly, not understanding how she knew such strange things.

"Come on, aren't you going to listen?" Hermione looked surprised, then continued, "Snape said in Potions that Polyjuice Potion can turn one person into another."

Immediately afterwards, Hermione explained the function of the compound soup to the two, dispelling their concerns. However, there is a problem in front of the three of them, that is, the formula of the compound decoction is in a book "Power Potion". This book is placed in the restricted area of ​​the library. Without the approval of the professor, there is no way to borrow it of.

"I think we can ask Professor Eisen for a signed approval slip!" Harry put forward his opinion.

"I don't think it's a problem. Don't forget, Professor Eisen took the adventure with us last year. He will definitely agree." Ron whispered the reason after seeing no one around.

"Of course I know it's okay to go to Professor Eisen." Hermione showed a little helplessness, "But Professor Eisen is a professor of astronomy, and he signed us to go to the restricted area to find a book about potions? Is this appropriate?"

Harry and Ron looked at each other for a moment, not knowing what to say.

That's right, in theory, as long as a professor gives a signed approval slip, students can go to the restricted area to borrow books, which does not violate the school's regulations. But in fact, it's uncertain whether Madam Pince can pass Hermione.

After all, getting a signature from an astronomy professor seemed a bit strange no matter how you looked at it.