Hermione always believed that every decision she made was well thought out, so she rarely regretted her decisions.

For example, when she was in the third grade, she was so busy every day that she was about to collapse, but she never regretted choosing all the courses.

But today she regretted it, and she wanted to hit her head whenever she thought about it.

"You really saw Hogwarts a thousand years ago?" She stared at Harry. "And attended a class?"

"Yeah." Harry, who was talking to Ron, responded casually, "To be precise, I only attended the class for ten minutes. I didn't understand anything he said."

Then he continued to say to Ron: "You know what? The Fat Lady wasn't there at the beginning. There was a portrait of a knight hanging there before."

"Could it be that Sir Cadogan?" Ron asked.

"No, it's another one," said Harry. "It's quite large, but I've never seen it in the castle either."

Seeing the two of them chatting enthusiastically about a painting, Hermione felt even more annoyed.

It was such a precious opportunity to be taught in person by a wizard who lived thousands of years ago, but Harry actually missed it... just to look at a painting?

Hermione didn't understand, she really regretted not agreeing to go over there in Harry's place last night.

If she had agreed at that time, she would not only be able to listen to those valuable lessons now, but also see what the original library looked like.

What a good opportunity, just missed it!

By this time, Harry had finished talking about the paintings and started talking about the appearance of Helga Hufflepuff among the Big Four, without noticing that Hermione's eyes were red on the other side of him.

And the Big Four? Hermione had never wanted a Time-Turner so badly, so she could go back to last night and slap herself in the face for rejecting Harry.

"Hermione, what's wrong with you?" Ron finally noticed that something was wrong with her and asked.

"I'm fine." Hermione took a deep breath and gulped down a large glass of iced pumpkin juice.

Not sure if it was the cold drink that had any effect, but Hermione suddenly thought of something.

"Harry," she asked hastily, "you said before that Kyle took you to the Room of Requirement?"

"Yeah," said Harry, "he has a key there that opens the Room of Requirement by placing it on the wall. What's wrong?"

"Nothing." Hermione shook her head and stopped talking. She just stared at the plate in front of her, not knowing what she was thinking.

Meanwhile, on the eighth floor.

Kyle encountered a very embarrassing situation and he couldn't get out.

The door of the Room of Requirement seemed to be blocked from the outside. No matter how hard Kyle tried, he couldn't open it, including using the bronze door knocker.

He called out Ravenclaw's name several times, but no one answered.

Kyle couldn't figure out why he was suddenly locked up here, and to make matters worse, he felt a little hungry.

There was no food in the Room of Requirement, and not even Rowena Ravenclaw could break Gamp's Law of Transfiguration.

In this situation, Kyle...well, he'll last a long time.

After all, his box contained a lot of warthog legs that he had prepared in advance, as well as groups of Te-bo warthogs and ordinary livestock. There were also fish in the lake... He had asked Hagrid to get them for him when he was bored some time ago.

He originally did this to save trouble. Since there were more and more magical creatures in the box, preparing food for them became a big problem. With these, Norbert and the others can hunt for food by themselves and he doesn't need to worry about them all the time.

Therefore, Kyle didn't have to worry about food for the time being. Although the taste would definitely not be very good without seasoning, it was still enough to fill his stomach.

As for the water problem...the golden cup and the clear water like spring spell can solve it.

"No, we still have to think of a way." Kyle frowned. He couldn't stay here forever.

A Ravenclaw wouldn't make a mistake like this, something must have gone wrong.

Kyle couldn't help but think of Dumbledore and Harry. As soon as these two people came, problems occurred in the Room of Requirement. It was too coincidental.

If I had known, I wouldn't have let them come.

Kyle muttered to himself, but just as he turned around to look for another place, he accidentally saw a very conspicuous gold plate in the auditorium.

The golden plate stood out among the surrounding silverware, and Kyle felt it looked familiar. From the shape and color, he felt it was very similar to the plates that students often use nowadays.

Kyle walked over subconsciously.

On the plate were two ham sandwiches, a fried sausage, and a baked potato...If you added a glass of pumpkin juice, it would be a standard Hogwarts dinner.

Kyle reached out tentatively and pressed his hand on the sandwich.

The unique touch of bread came from my fingers.

Kyle was stunned for a moment, somewhat incredulous.

Is this true?

But how could there be real food in Ravenclaw's memory? He picked up the sandwich and took a bite.

Now it can be confirmed that this dinner is indeed real and not just something in memory.

He has been eating this taste for seven years and it is very familiar. It is the craftsmanship of the house-elf.

But Kyle was even more confused. The key was in his hand the whole time. How did the house-elves deliver the food here?

And more importantly, how did the house-elf know to bring him dinner?

After all, ten minutes ago, Kyle didn't know that he would be trapped here and unable to get out. How did the house-elf know that?

Kyle ate his sandwich and thought about it, but he still couldn't come up with an answer.

It can't be Ravenclaw... Let's not talk about whether she can still control the Room of Requirement, what's the point of locking him up here.

So that he has to spend all his time studying?

It was unnecessary. He only spent half an hour on eating every day. What would be the use of a little more time? Because he was so absorbed in his thoughts, Kyle didn't even notice that he had finished the food on the plate, leaving only a little residue.

The next second, the food residue disappeared, and the golden plate became shiny as new again. Everything was the same as in the auditorium outside.

"Is the reason this plate?" Kyle thought to himself, picked up the plate, and looked at it in front of his eyes for a while.

He had tried before, but the house-elves couldn't bring food in here, but now they can. The only change during this period is this plate.

The Hogwarts plates, which the house-elves use to deliver food from the kitchens to the corresponding tables in the Great Hall.

Now it appeared in another Hogwarts hall, and Kyle had no idea how it appeared here.

Who did it? He has the key to the Room of Requirement and can bring the things in... Ravenclaw?

Kyle tapped his fingers on the table a few times, wondering why she did this.

To save time on the way to eat? Or for some other reason?

At this moment, Kyle suddenly thought of something, raised his head sharply and looked at the other people in the auditorium.

They were still eating and chatting as before, but Kyle noticed that their bodies were lighter than before, as if they had faded.

He first discovered this in the Charms classroom a few days ago when he noticed that Professor Lagol's bald head was not as shiny as before.

However, he was concentrating on studying the problem of changing magic at the time and subconsciously ignored this matter.

Now that I think about it, could it be that the Room of Requirement is about to be restored to its original state?

This is the only explanation now.

If this is the case, then saving some time is essential.

Thinking of this, Kyle decided not to stay in the auditorium, but returned to the common room to have a good night's rest.

He also took out a two-way mirror and prepared to explain the situation to Kanna... The gift he prepared really came in handy.

"You are trapped in the Room of Requirement and can't get out?" After hearing this news, Kanna was also very surprised and said hurriedly:

"I'll go ask Professor McGonagall for you."

"No need." Kyle stopped her quickly, "Professor McGonagall didn't even know there was such a place in the school. She probably can't help much, and I don't need it for now."

"What do you mean?" Kanna asked, "How are you going to eat in there?"

"Someone brought this." Kyle held the golden plate in front of the two-sided mirror and shook it. "Someone must have modified it. Now the food from the kitchen can be delivered directly in here."

Seeing that Connor still had some doubts, Kyle said directly: "Your dinner will be sandwiches, fried ham and baked potatoes, and there will be pickles in the sandwiches."

Now, Kanna believed it.

"I didn't know what to do just now." She frowned slightly, "If Professor McGonagall can't help, the other professors will definitely not be able to get you out of there!"

"He just left school an hour ago," Connor blurted out.

"How did you know? The time is so accurate."

"Of course." Connor said, "He suddenly received a letter during dinner and left in a hurry. Almost everyone saw it...but you definitely didn't see it."

"You don't have to remind me," Kyle said unhappily.

I don’t know if it’s an illusion, but after knowing that there is no need to worry about food here, Kyle always feels that there is a hint of gloating on Kanna’s face.

But Kanna would definitely not admit it.

…

The two chatted for an hour before Kyle put down the two-way mirror.

After that, he stayed in the Room of Requirement.

During this time, the colors of the people around him became lighter and lighter, and Kyle no longer chose to combine work and rest, but instead seized every opportunity to travel back and forth between different classrooms.

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He had to attend classes for almost sixteen hours every day, and half of the remaining time was spent in the library.

If you really can't hold on any longer, use the stimulant potion or the recovery potion given by Kanna.

The golden plate was always there, providing Kyle with three meals a day, never a minute late.

And it is not fixed in the auditorium, Kyle can take it anywhere, which saves a lot of time.

Until one day.

When Kyle, who had just finished writing his notes, looked up again, everyone in the classroom had disappeared.

Kyle went outside again, but there was no one in the library or the auditorium, and the surroundings became extremely quiet.

Then, before Kyle could react, the castle began to disappear little by little.

It's like someone took an eraser and erased this place.

The classroom on the second floor, where classes were being held five minutes ago, has now turned into a vast expanse of white, with nothing left.

Then there is the library, the stairs, the auditorium...

Almost in the blink of an eye, everything around him disappeared, and Kyle seemed to be in an extremely empty place.

Just as he was hesitating whether to hide in the box, he felt a sudden pulling sensation and the scene in front of him changed again.

He appeared in a familiar corridor, with a blank wall in front of him and a tapestry of dancing trolls behind him.

He came out?

Kyle reached into his pocket, but found nothing... the key given by Ravenclaw was gone.

Just as Kyle was wondering what was going on, a shrill noise brought him back to reality.

It was not the sound of students playing and fighting, but the sound of roaring and spells exploding!

"No way!" Kyle's heart skipped a beat.

He had no idea how long he had been trapped in the Room of Requirement.

A week? Two weeks? Or maybe longer.

Could it be that during this time, the Death Eaters had already entered through the Vanishing Cabinet?

But didn't Dumbledore know about the Vanishing Cabinet? Why did he let the headmaster's portraits watch over it? Why did he let the Death Eaters into the school? Too many doubts crowded into Kyle's head.

But now was obviously not the time to think about these things. Kyle turned around and ran in the direction where the sound came from without stopping.

Fortunately, he didn't run into any students along the way; everyone seemed to be staying in the common room.

This is good news.

"Do you think you can run away?" Kyle suddenly heard a hoarse, low growl like a wild beast.

He quickened his pace again, turned a corner, and came to another corridor.

Then, he saw a man covered with long brown hair jumping high, extending his claw-like sharp nails, and pouncing on a person lying on the ground.

There was no time to think, Kyle immediately took out his wand and waved it violently.

An invisible rope pulled the man on the ground over and also helped him avoid the attack.

The nails scratched on the floor, making a harsh sound.

"Thank you!" the man said. He turned his head and was stunned for a second. "Kyle? Why is it you?"

"Cedric?" Kyle was also a little confused. He just felt that the man looked familiar, but he didn't expect it to be Cedric.

"Why are you here?"

"I'm here with Mr. Weasley," Cedric said quickly. "He told me that the Death Eaters might attack Hogwarts tonight."

"you……"

"Look who's here, a little lamb..." Kyle's words were interrupted by a roar.

The beast-like man was not angry because his prey was rescued. Instead, there was a hint of excitement in his voice.

"Be careful!" Cedric said quickly, "He is Fenrir Greyback, a werewolf. He is incredibly powerful, and spells are weak against him."

"You're not going to run away? Or do you know you can't run away?" Greyback approached the two men step by step.

"I thought I wouldn't encounter those tender and delicious lambs today, but you delivered them to my door. What a pity, today is not the full moon."

He has very small pupils and shows his wolf-like fangs when he speaks.

That's right, he is a werewolf.

"Wait." Kyle stretched out his hand and pointed at himself in confusion, "The little lamb you just mentioned was me?"

"That's right." Greyback licked his lips and his eyes fell on Kyle's school uniform. "Only wizarding students who haven't graduated can be considered fresh lambs. I miss the feeling of biting my teeth into their bodies so much."

As he got closer, Kyle's expression became stranger and stranger.

"Is there something wrong with this guy's brain?" He looked at Cedric and asked.

"Greyback likes to bite underage wizards the most and turn them into werewolves." Cedric said nervously, "Be careful, Kyle, don't be careless. Greyback is not that easy to deal with. The Ministry of Magic has tried to catch him for many years, but he always escaped."

"Of course those bastards can't catch me!" Greyback roared and pounced on the two men.

But the next second, he flew backwards at an even faster speed and hit the wall heavily.

"Tsk tsk, the big bad wolf was gored by the little lamb." Kyle said with a smile, gently waving the wand in his hand.

An every-flavored bean dropped by someone floated into the air and turned into a five-foot-long spear.

Kyle waved his wand again, and the spear instantly came in front of Greyback. Although he dodged as much as possible, he was still stabbed in the shoulder.

Greyback roared angrily, feeling the sharp pain in his shoulder and the feeling that all the bones in his body were about to be broken. He suddenly realized that the student he met did not seem to be a lamb that could be easily manipulated.

Or maybe he is the lamb.

The instincts of wild beasts were often the most accurate, and Greyback, who had escaped death many times, was particularly convinced of this.

He wants to run away.

But Kyle didn't give him this opportunity.

In fact, he had already prepared the second spell when the spear flew over.

A huge force hit the tail of the spear, like hammering a nail. The spear, which had already been deeply embedded in Greyback's body, became shorter again, nailing him directly to the wall. No matter how Greyback struggled, the spear did not move at all.

"I have some experience dealing with werewolves," Kyle said with a smile.

He opened his box and a dark figure jumped out from it so fast that Cedric didn't even see what it was.

But before Kyle could take the next step, Professor McGonagall rushed over from the other side of the corridor.

She strode over here with her wand in her hand and her lips tightly pursed.

Seeing Professor McGonagall, Kyle could only wave calmly. Cedric heard a rustling sound behind him, but it soon disappeared.

(End of this chapter)