When the word werewolf suddenly popped up in Felix's mind, the seemingly unreasonable things were explained at once.

Lupin has always given him a sense of weirdness, and he thought it was Snape's words that had an impact on him. Now it seems that this is not the case. He has captured some characteristics of the werewolf's untransformed form, pupils, hair, and the faint breath of dark creatures;

but unfortunately, Felix didn't think about it at all.

In addition, Lupin always gives people the impression that he is in poor health, but when is this impression most obvious? Around the full moon! Especially in the past two days, what cold has not been cured is all an excuse... It should be that the full moon has just passed.

Madam Pomfrey's craftsmanship is not that bad.

"It's too obvious! I didn't even notice it. The clues are all in front of me." Felix looked at the information he wrote on the parchment and compared them one by one.

Lupin was poor because he didn't have a proper job at all. In order to conceal his identity, he had to be ready to move to another place and change his identity at any time. '

'He must have a lot of experience in covering up, but once is accidental, twice is coincidence, what about three or four times? For werewolves, people around them will find out about their abnormality in a few months, because no matter how many excuses they make, they can't change the fact that werewolves will definitely disappear during the full moon! ' '

He had a bad impression of Fudge, the Minister of Magic, who had only been in office for a few years, because Fudge presided over the amendment of the Werewolf Registration Act. He tied the werewolf registration list to the wolf poison potion. If you don't register, you can't buy the potion. This also explains why Lupin came to Hogwarts this year. He couldn't get this potion that can keep him sane during the full moon transformation from other places. '

You know, the transformation of werewolves consumes a lot of physical energy. Before there is wolf poison potion, they will attack anyone they see crazily. Even if they are locked in a cage, they will go crazy and lose their minds, slapping and tearing the obstacles in front of them.

The sequelae of this behavior are strong, and often last for three or four days, or even a week, depending on the individual's physical condition.

With the wolfsbane potion, werewolves are much more comfortable. They can keep their sanity during the full moon and find a secluded place to hide themselves. Everything will return to normal the next day. At most, they will be a little tired, but they will not be able to show any flaws. This is a thousand times better than being recognized as a werewolf.

Felix remembered that two weeks before the start of school, Snape was called back early by Dumbledore. He said in a bad mood that he was in order to brew a "disgusting" potion. In addition to the wolfsbane potion, is there any other possibility?

Felix couldn't help but raise the corner of his mouth. It was hard to imagine the scene of Snape being suppressed by Dumbledore and brewing potions for people he hated.

'Severus' expression must be very interesting! '

There are some small details worth noting.

For example, Snape once said to him, "Lupin's true face will surprise you", which should be a hint of his werewolf identity;

before the opening dinner, Professor McGonagall deliberately avoided Snape when introducing Lupin, which means that Professor McGonagall knew about the conflict between them, in other words, she also knew about Lupin's werewolf identity.

Who else knew it?

Dumbledore must know, even...

Felix calculated the time. When Lupin went to school, Dumbledore was already the principal. He could come to school with the principal's consent.

Even the whole plan was promoted by Dumbledore. He might not rely on others, but go to the door to persuade in person...

If you want to take a werewolf wizard to Hogwarts to go to school, you must prepare a series of protective measures for him, including the place where he transforms into a werewolf, as well as the care and treatment after the transformation.

Felix had no idea about the former. In theory, he could just choose an abandoned classroom. With Dumbledore's ability, he could cast various silencing spells to isolate the howling of young Lupin when he transformed.

'Hagrid once said that many werewolves were rejected by the entire wizarding world and were discouraged. They would rather live with wolves, but for young Lupin, he could not make such a choice. The biggest possibility is that his parents locked him in the house and used a silencing spell to prevent the neighbors from hearing...'

'Thinking about it, would Lupin have a huge psychological shadow on the silencing spell? '

As for the latter, Lupin admitted that Madam Pomfrey helped him a lot when he was in school.

Felix suddenly thought of an interesting question. Did Harry's father James Potter, Sirius Black, and Peter Pettigrew know that Lupin was a werewolf?

'They should know,' Felix guessed silently, 'otherwise Lupin would not miss that time so much. 'He thought of the smile on Lupin's face when he introduced his experience in school, and his eyes seemed to be shining.

This made Felix have more questions in his heart, not about Lupin, but about Sirius Black.

From the information he pieced together, there was a clear sense of disconnection in this person's behavior, and this feeling even reached the point of abnormality.

In his youth, Black was a Gryffindor with a strong sense of justice, strongly rejecting Slytherin and even his own family. Although judging from some of the banned records Felix had seen, this person was a bit brainless...

After graduation, Black almost immediately joined the Order of the Phoenix and became the backbone of the fight against Voldemort and his army of Death Eaters. From this perspective, he was a fearless warrior.

'When did Black start to change? Was he unable to resist the power of family affection and was inspired by his family of Death Eaters, or was he captured by Voldemort himself during an operation and threatened with death and his family? Or was he simply unable to withstand the torture of the Cruciatus Curse? ' '

Was it like this? After tasting the pain, he went from being brave to being cowardly...'

Felix suddenly felt unhappy. If things were as he thought, he hated this story.

Especially when he saw that the Longbottoms were completely tortured crazy by the Death Eaters and did not reveal any information, this strong contrast made him extremely conflicted. If

this happened to him, what would he choose? Would he betray his best friend for some reason?

"The assumption is not true at all," he muttered after thinking for a long time.

Felix suddenly found out with a sad heart that he had not made a close friend during his school years. He was busy studying and fighting in the first three years. In the fourth year, he completely ignored everything around him to practice spells. When the fifth year was over, everyone looked at him with awe.

'Speaking of which, when I was in school, several Slytherin girls gave me chocolates, but I suspected there was a curse, so I threw it away. '

'Did I miss something? '

Felix chewed on his past experience, and after a while, he laughed dumbly.

"I'm really boring, but... Sirius Black, whether it's for the collection of books in the Black mansion or to confirm whether you are hiding a despicable soul, I will give you a chance to explain."

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