Everyone left the room.

Only Sirius, Lupin, and Snape remained in the office, staring at Peter Pettigrew all the time.

Fuggie pulled William and said enthusiastically: "William, I'll go to the principal's office first, and the two of us will ...... We'll talk about it later. ”

"Yes, Mr. Minister." William smiled politely.

Dumbledore, Fudge, and Professor McGonagall made their way to the Headmaster's office, followed by the two Aurors.

"Where are you going?" William asked.

"We're going back to the Gryffindor Lounge." Harry said.

"Tonight hit me too hard, I need to get a good night's sleep."

Ron nodded.

"What about you? Anne, do you want to go back together? ”

"No, it's still early! Luna is waiting for me in the Ravenclaw common room, I'm going to look for her. Anne said quickly.

William thought about it and didn't object.

With her brother's permission, she hopped up and walked towards the corridor on the other side.

"Let's both go back first." Harry asked, "Hermione, are you back in the common room?" ”

Hermione shook her head and said softly, "I have something to do, you guys go first." ”

Harry and Ron shrugged and turned to leave.

William looked at the backs of the two and suddenly asked, "Ron, is your tonic still there?" ”

"Well, no...... It's gone, what's wrong? Ron was stunned, turned around and stumbled.

"Bobo Tea is sick, that tonic should work for it." William squinted his eyes and said, "Have you already used it?" When did you use it? ”

"Yes, within a few days of school, I gave it to Spotted." Ron hurriedly said.

"Of course, I didn't expect him to be Peter...... Poison him! ”

"Well, forget it, I'll buy another bottle." William nodded thoughtfully.

The two turned to leave, while William and Hermione walked slowly down the hallway.

"Is Bobo Tea sick?" Hermione looked at William suspiciously.

"In the afternoon, it's still alive and kicking around in the garden with Lady Loris."

"It's really not sick...... I said it casually. William said softly.

"Why are you lying to Ron...... By the way, now go to the Room of Requirement? ”

Hermione stretched and smiled:

"Finally caught Peter...... It was a lot easier all of a sudden, and the two of us could change the roll overnight without anyone bothering us! ”

"I probably won't be able to go tonight." William shook his head, his brow furrowed, pondering the matter.

Hermione looked at William, held out her fingers, and rubbed his frown.

She asked softly, "What's wrong?" ”

William looked into Hermione's eyes and said slowly:

"Well, there are some things I'm thinking about...... I always feel like I've overlooked something, and I need you to help me analyze it. ”

Hermione nodded, and the two snuggled up to the window, looking at the sky.

Outside the castle, a full moon is gradually obscured by thick clouds.

"I just said that Bobo Tea was sick, and I deliberately borrowed that bottle of tonic." William said softly.

Ron said that within a few days of school, he used it for Spotted.

William shook his head: "It's impossible, if Ron uses it, I'll definitely know!" ”

"Why?" Hermione's eyes widened.

"Hmm...... Last summer, George and Fred put some aphrodisiac in the tonic. ”

“……”

"No malice!" William grinned: "I just want to test whether the aphrodisiac is useful between animals and animals."

Pure magical experiments. ”

Hermione gave William a small look.

"Well, don't worry about the details...... But luckily, the twins were drugged.

If Ron gives Spotted a dose, it's Peter...... He would surely be impatient, looking for Fred's sniff.

Fred had already given them both and had the bed ready.

But it never was. ”

"But......" Hermione hesitated, holding her chin.

"Does sniffing hair work? I mean, sniffing hair, maybe it doesn't work for wizards? ”

"No, it definitely works! Remember last year? ”

Hermione only thought for a second, then thought quickly and said, "Lockhart?!" ”

"That's right!"

William was glad that Hermione was able to follow his train of thought immediately.

Of the girls he knew, Hermione was probably the only one who could keep up with him.

It is indeed extremely easy to have such a smart girl by your side.

If you follow a fool like Hallie and Ron, an obvious thing needs to be explained for a long time.

William had the heart to kill them.

Thinking like this, William paused and said quickly:

"After that Christmas, Lockhart took Snape's aphrodisiac, which was filled with dwarven hair."

"Strictly speaking, dwarves, centaurs, werewolves, and sniffers are all magical creatures.

Peter took the aphrodisiac, and there would definitely be a reaction. ”

"So, I'm sure Ron didn't give it to Peter."

"But there's a catch, William." Hermione said sharply.

"How can we be sure that it was Spotted or Peter?

As we all know, Peter found a very similar mouse as a replacement.

With the addition of an aphrodisiac with magical animal hair, is it useful for wizards, but also for real ordinary mice? ”

"You're right, I was thinking about it just now." William approvingly: "We can only be bold in analyzing this. ”

"You see, Peter has no reason, he suddenly found a mouse as a spare tire and hid himself, right?"

He wasn't sure if Sirius' target after his escape from prison was him.

Peter would have thought that he had been in hiding for twelve years, and no one had found out.

Blake is locked up in Azkaban, so how does he know where he is?

And Hogwarts, on the other hand, is the safest place where there is no need to run away at all. ”

William tapped the window. "If I were Peter, I would definitely wait and see for a while.

The attack on Halloween probably made him completely sure that Sirius was coming for him!

It also gave him a wake-up call that the school was not as safe as he imagined. ”

William looked at the thick clouds that completely covered the full moon, and his thoughts became clearer and clearer.

He said quickly:

After that, Peter probably had the idea of running away. Or, Tom made a detailed plan.

I'm inclined to be the second possibility! ”

Without much detailed evidence, and with just a meticulous style of doing things, William can be sure:

Peter must have Tom behind him.

If Peter had been so smart, he wouldn't have had to defect at all, and he would have lived safely on his own.

"Reasonable analysis." Hermione thought about it, but didn't find any loopholes.

"So...... Is Ron lying? She raised her eyebrows, "Why are you lying?" ”

"This isn't his first lie tonight." William was worried.

"Did you notice that Ron said Peter wanted to snatch their wands......"

"It can't be." Hermione reacted immediately: "Peter has a wand in his hand!" ”

"That's right." William exhaled. "It's because of this sentence that I have doubts."

During the last school year, Tom's diary was suddenly lost from Ron's.

Missing were his old wand and Mouse Spots.

William couldn't figure out why Banban was lost.

Later, Spotted reappeared, and he didn't pay much attention to it, thinking that the rat was lost.

Now that I think about it, Peter got in touch with Tom in the diary.

Knowing that Ron would be suspicious, he transferred the journal to Lockhart in advance, so he left with him.

It was only when Tom wanted Peter to be a spy that he returned to Ron as Spotted again.

But the old wand must still be in Peter's hand.

He doesn't need to rob at all!

Tom's Spy ...... Peter hid for a school year, and William didn't catch him...... Just caught by two weak chicken little wizards?

If Peter didn't have a wand, it was still possible.

But the point is,

He has!

Not to mention Harry and Ron, even if there are ten of them, they are no match for Peter.

It was also because of this detail that William asked for the tonic abruptly. Just to prove it...... Ron was lying.

"Ron didn't have to lie, he did......" Hermione's eyes widened and she suddenly said in horror, "He can't be Peter, right?"

Didn't Professor Snape's office be burglarized...... He made a polyjuice decoction?! ”

"I thought about this for a long time." William's tone was full of incomprehension.

"But on the Hogwarts map, Ron's name is always displayed...... And it's constantly moving.

Unless he takes Ron with him...... Wait......"

The two looked at each other and said at the same time, "That groundhog!" ”

yes, if Peter turns into Ron, turns Ron into a groundhog and puts it on his body...... His name will also be displayed.

There is not the slightest flaw!

"So, now you're being arrested?" Hermione grabbed William's hand and said in shock:

"It's really Ron!"

William quickly pulled out a map of Hogwarts and immediately found Professor McGonagall's office.

In the room, there are only three names:

Sirius Black, Severus Snape...... Ron Weasley!

"We're going to find Dumbledore." Hermione said. "You can't let Ron be taken for Peter and taken to Azkaban."

"No!" William, who finally figured it out, shook his head.

"It's not Ron's priority. It's Peter...... He's ready to run! ”

"Ah, why? His plan has succeeded. Everyone thinks Ron is Peter? ”

"It almost worked." William shook his head.

"Remember being in the office?" He said, "Harry and 'Ron', demand that Peter be killed immediately!" ”

"It was not for nothing that Peter asked for this." William explained.

"After taking the compound decoction, if you die suddenly, your appearance will not change, and it will remain the same as before death."

"Peter gave Ron a polyjuice decoction to make him himself." William's expression was serious.

"As long as Ron is dead, this matter will be completely determined. Peter can pretend to be Ron until he runs out of stored hair. ”

With Ron's identity, there are so many things you can do!

No one will notice the anomaly, because no one in this world knows Ron better than Peter!

The two of them have shared a bed for three years!

And Ron died for Peter, and the corpse was more convincing than a severed finger twelve years ago.

But Fudge didn't agree, and he asked for a trial. William rejoiced.

"Fudge had no intention of sabotaging Peter's plan, and the Polyjuice Potion was time-limited, and Ron would change back sooner or later.

Peter must have been busy running away by now. ”

"Yes, we must catch Peter at once!" Hermione also realized the seriousness of the matter.

"Otherwise, Sirius...... will be recognized as ...... Murderer! He's in the office! Can't escape! ”

William's eyes were cloudy.

If it succeeds, it replaces Ron; When he didn't succeed, he escaped, and Sirius threw himself into the net.

Tom Riddle...... It's you!

In Ilvermorny, it can still cause such a big problem.

If that's all you're planning for, though...... Then your little spy, you're welcome...... Take!

……

……

(Ask for recommendation votes, big guys.)

Thanks to the "Tsipras" boss for the tip. ）