The impact of the attack is still unfolding, and if you go to the Hogwarts library during this time to borrow books, it's not hard to see that all Hogwarts: A History of the School has been rented out.

The legend of the Chamber of Secrets thrilled the energetic little wizards, and the queue for someone to borrow from Madame Pince was even weeks away.

Thankfully, the eaglets don't have to gather in the library like the students from the other houses, and Ravenclaw has its own library.

Although the collection of books inside is not comparable to the large Hogwarts library, it is easy to find a few copies of Hogwarts: A History of the School.

"What is the beginning of eternity, the end of time, the beginning of the end, and the end of every place?"

Outside the door of the Ravenclaw common room, the eagle-shaped knocker asked William the question of the knocker in an ethereal voice as always, which is a Ravenclaw tradition, and only if the question raised by the knocker is answered correctly can one enter the common room.

Ravenclaw believes that this unique way of entering can be a good difference from the other three colleges in Ravenclaw, and it can also help its students become smarter.

Hearing the question of the eagle-shaped knocker, William thought for a moment and gave his own answer.

"The answer is the letter e, and I have to say that this riddle still has a little bit of meaning."

The door of the lounge slowly opened, and William hurriedly got in, still as usual, such a simple question could not stump William at all.

The Ravenclaw Lounge was still as lively as ever, in fact, it was probably the busiest place outside of the Great Hall and the Quidditch Pitch, and thanks to the games developed by William, the Ravenclaw Lounge became the third largest gathering place for students after class.

As soon as William returned to the lounge, he saw that in the battle area divided into the hall of the lounge, the young wizards of various academies were talking in twos and threes, immersed in the joy of playing cards.

However, the Ravenclaw common room was as quiet as before, and William did not hear the noise of the young wizards playing cards.

This is because, around the area of the battle, there are several elaborate silk screens with sapphire and bronze accents.

It was as if there was an invisible barrier that prevented the sound from continuing to spread.

The little wizards who are in the battle area look like the silent movies invented by the Muggles decades ago.

Due to the popularity of the game he invented, the frequent comings and goings of students from various houses made the Ravenclaw common room lose its former tranquility.

The noisy sounds made by the young wizards when they play cards also affect the study and rest of many senior students.

To this end, Penelope approached William, who urged him to design an alchemical artifact that would be soundproofing and restore the Ravenclaw common room to its former tranquility.

"William, can't you come up with a way to make the common room quiet again!" Penelope complained to William that they were sitting on the couch by the fire, which was William's favorite seat.

"Not everyone is as free to cast a silencer spell as you do." Noticing that the noisy noise in the lounge had suddenly disappeared, Penelope paused and continued to speak to William.

"A lot of people have come to me to report this problem, and everyone who wants to rest quietly in this lounge needs to come to you to cast the silencer spell!"

"Actually, I don't think the silencer is too complicated! Even Terry, with his intelligence, was able to expertly cast this spell after repeated training. William's voice sounded somewhat innocent.

Hearing this, Terry, who was closing his eyes on the single sofa and acting as a quiet salted fish, suddenly stopped doing it.

"William, what do you mean by that!" He stared at William with a pair of big bulging eyes.

"I'm complimenting you on your cleverness, don't you hear me?" William's voice was full of innocence.

"Really?" Suspicion flashed in Terry's eyes.

"I don't think you mean that! How do I feel like you're calling me stupid? ”

Isn't it, it's still a feeling?

Terry, with your intelligence, I now seriously suspect that you were an undercover agent planted by Gryffindor in Ravenclaw.

William complained frantically in his heart, in fact, he was just making a small joke with Terry, and he didn't mean to laugh at Terry.

However, William, who had skinned himself a little, looked at Senior Sister Penelope's gradually gloomy face, and quickly changed his words.

"Absolutely not, Terry. And I promise I'll fix it, Penelope. It's not that hard, a few simple screens enchanted with a silencer spell will do what you say. ”

"Okay, I don't care what you do, as long as you can restore the tranquility you used to have." Penelope nodded, then turned around and strode away.

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

It seems that the effect of these soundproof screens designed by himself is still very good, and seeing the funny imagination of the little wizards as if they were performing a pantomime, William nodded with satisfaction, and secretly thought in his heart.

He walked towards the single couch by the fire, which was almost his exclusive seat.

"Did the sun come out in the west today, Terry? You're actually starting to read books in the break room. William looked at Terry in amazement, who was flipping through a book quickly, as if looking for something.

"Don't make fun of me, William. I'm looking for clues about the Chamber of Secrets, and thanks to Ravenclaw's own common room, I don't have to go to the library to rummage through the almost ruined copies of Hogwarts: A School History.

Hearing William's voice, Terry raised his head and grumbled at William, then lowered his head and continued to flip through the books in his hand.

"Did you find any clues related to the Chamber of Secrets? Would you like a bottle of butterbeer? William shrugged his shoulders and sat down on the couch next to him, reached out and pulled out two bottles of Butterbeer from his magic belt, and threw one to Terry after applying the Freezing Charm.

"Thank you, William." Terry took the beer bottle and fumbled his wand from his robes.

"Wadi Vasi!" With the sound of the incantation, the cork of the beer bottle flew out violently.

This is the Catapult Charm, a simple and handy little spell that makes small things shoot out like bullets.

"Not to mention, I've read this book no less than three times, and I haven't found anything except some ethereal legends." After taking a big sip of Butterbeer, Terry continued to complain to William.