Hogwarts Passer-By Professor

It was already afternoon when Eisen and Dumbledore took their leave from Nicolas.

It has to be said that talking with Nicolas May gave Eisen a lot of inspiration in alchemy.

Eisen has always thought highly of himself for his academic progress. After all, he is not only a time traveler, but also an awakened Gold Finger.

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Therefore, Eisen has full confidence in both his own strength and his research on alchemy.

However, the conversation with Nicolas this time made him understand that although his alchemy attainments are advanced enough, compared with a true master like Nicolas, it is still far behind.

Even now, unless Eisen brings some alchemy manuscripts into the dream world and studies them seriously for tens or hundreds of years. Otherwise, his alchemy is unlikely to surpass the opponent all at once.

Of course, there's no need for Eisen to worry about this.

After all, he didn't intend to really practice alchemy to the best level in the world. Anyway, after this visit and talking with Nicolas May, Eisen felt that his level of alchemy was sufficient.

You know, he hasn't forgotten that he decided to study alchemy in depth at the beginning, mainly to make various magic props to serve his Gold Finger.

After returning to Hogwarts, Dumbledore continued to get busy with his own affairs. He would continue to look for the one who was most loyal to Voldemort among the list of Death Eaters.

As for Eisen himself, apart from practicing spells every day, he continues to move books to his dream world in the library. Of course, in my spare time, I will also conduct further research on the method of Horcrux production in "Advanced Black Magic" in the dream world.

Of course, because the flow of time in the dream world is adjusted by Eisen's own mind, his research on Horcrux production has been extremely long.

Therefore, if Eisen wanted to make a Horcrux, he would have been able to split his own soul step by step according to the process to make it. But apparently, that wasn't Eisen's purpose.

His purpose is to find a way to make Horcruxes without splitting the soul and using a harmless and side-effect-free method.

However, despite spending a long time in the dream world, Eisen's research progress is still extremely slow.

In addition, Eisen has made some progress in the study of how to reduce the metabolism of the human body and maintain the vitality of the human body for a long time. He rummaged through many spells, and finally found some inspiration from the Freezing Curse and the Petrification Curse.

Of course, it's still a long way from real success.

...

The July sunshine, after passing through the clouds, shone into the room through the windows and fell on the bookshelves.

There is no doubt that this is the Hogwarts library.

Holding a stack of newspapers in his hand, Eisen paced slowly, came to a seat by the window and sat down.

After arriving at the library, Eisen didn't rush to flip through the books to fill his dream world memory palace as usual, but picked up the newspaper and read it quietly.

The newspaper was ordered by Hogwarts, and Eisen brought a copy today on a whim.

A front-page article in the Daily Prophet with a seemingly comical headline:

"A war of words between the Minister for Magic and the Director of International Magic Exchange and Cooperation"

"Old Barty Crouch, director of the Department of International Magic Exchange and Cooperation, due to the acquittal of Sirius Black some time ago, his reputation has declined rapidly, and he is almost about to take the blame and resign..."

"...Minister of Magic Cornelius Fudge, in order to get rid of the incompetent hat of the Ministry of Magic, urgently needs a 'scapegoat'. Therefore, for the old Barty Crouch's resignation, Cornelius Fudge 'applauded'—— "

"Unfortunately, however, Cornelius Fudge, as a witness to the execution of a dangerous hippogriff by the Committee for the Disposal of Dangerous Creatures, made a blunder, making the Ministry of Magic a joke again..."

"Barty Crouch Sr. claims that Cornelius Fudge made the same mistake as himself, and he justifies himself in this way, in order to keep his position..."

"Cornel Fudge claimed that Barty Crouch, the elder, was a cunning and insidious conspirator, and that all of this was his conspiracy. He deliberately let go of the Hippogriff..."

After a cursory look, Eisen called him a good guy.

On the one hand, Eisen was surprised that Barty Crouch Sr. wasn't ousted. On the other hand, he was speechless at the fact that Fudge put the blame for Buckbeak's escape on old Barty Crouch.

"However, it's been a while since this happened. When did this spat start?" Eisen couldn't help shaking his head after understanding what happened.

Opening the newspaper, on the second page, Eisen saw a report about the 422nd Quidditch World Cup in the Daily Prophet.

This year's Quidditch World Cup Knockout Tournament will start in July, and the competition will last for one month. In the end, two teams will be determined, and the final will be held on August 22.

Of course, Eisen himself is not very interested in which team will make it to the final. After all, as a time traveler, I really don't have that sense of substitution.

What makes Eisen strange, though, is the number of Quidditch World Cups. As clearly stated above, this Quidditch World Cup is already the 422nd competition.

However, the Quidditch World Cup is held every four years.

According to this calculation, if the time continues to push forward, you will find that the first Quidditch World Cup should be held in 116 BC.

But what is more outrageous is that the flying broomstick was born around the tenth century AD. Moreover, the broomsticks at that time were all produced by wizards for their own use. Not only were they of very poor quality, they were also extremely uncomfortable to sit on.

This is where the problem arises.

Since the birth of the broomstick was around the tenth century AD, it is impossible for the Quidditch World Cup to appear before the birth of the broomstick.

So, what is the truth of the matter? Doubt flashed in Eisen's eyes. After all, such an obvious loophole is really outrageous.

After thinking for a long time, Eisen couldn't come up with a reasonable explanation.

Tapping lightly on the table, Eisen folded the newspaper. Then, as if thinking of something, his eyes narrowed slightly.

"To explain all of this, unless—" Eisen murmured, suddenly thinking of a possibility that made his scalp tingle for a moment.

After taking a deep breath, Eisen suddenly lost his mind on reading in the library. As soon as the God's perspective was opened, Eisen saw Dumbledore in the headmaster's office.

Leaving the library, Eisen came directly to the door of Dumbledore's office through the phantom.

Just as he was about to go in, Eisen stopped moving.

"Just ask directly?" Eisen hesitated, "Well, first find a question as an entry point."

Afterwards, Eisen started pacing the hallway.

After a while, Eisen's eyes lit up, and he thought of an excellent excuse.

Without hesitation at the moment, he entered the office after passing the password.

After entering the office, Eisen noticed that Dumbledore had just come out of a side cubicle. Presumably, he came out because he found Eisen entering the office.

"Professor Eisen, is there anything you can do to find me, an old man so early in the morning?" Dumbledore stretched, making a gesture of moving his body.

"Yes, that's right!" Eisen nodded, hesitated for a moment before speaking directly, "I have a question I want to ask you!"

"Okay, if you have any questions please say-" Dumbledore stared, then motioned for Eisen to continue.

"A question about the Fidelity Curse." Eisen raised his eyebrows slightly. "The place where Nicolas lived was cast with the Fidelity Curse. You must be very familiar with this spell, right?"

"That's right, this spell is very powerful, very complex, and has a miraculous effect in hiding whereabouts." Dumbledore's tone was quite calm, but he still looked at Eisen suspiciously.

"Yes, I understand that the Fidelity Charm can be used to keep something or something secret. Confidential information will be hidden deep in the soul of the keeper." Eisen said, his eyes flickering, "and this level of secrecy , unless the secret-keeper voluntarily leaks the secret, other people will not be able to succeed with any magical means."

"You're right, even the Unforgivable Curse, such as the Imperius Curse and the Cruciatus Curse, cannot bypass the Fidelity Curse!" Dumbledore nodded and said, "But once the Keeper of the Secret dies, the person who knows the secret will automatically become the new one. Secret Keeper."