The old man had silver-white hair, a long beard that fell down to his belly, and blue eyes with half-moon-shaped glasses, usually flickering, as if able to see through.

His nose was long, but crooked, and it appeared to have been broken at least twice.

However, such an old man is one of the greatest magicians in the world.

He is the Headmaster of Hogwarts School of Witchcraft and Wizardry, a former Transfiguration and Defence Against the Dark Arts teacher, a first-class Merlin Medalist, founder and secrecy of the Order of the Phoenix, president of the International Confederation of Wizards, chief wizard of the Wizengamot, and has been nominated several times by the Minister for Magic, and is recognized as the greatest wizard of our time.

He was a gifted, kind, gentle, and perceptive man, and became a rare headmaster in Hogwarts history who was respected by all the teachers and students, and under his leadership Hogwarts can be said to be the greatest headmaster in Hogwarts' history.

Rowe remembered that the old man's full name seemed to be Albus Percival Woolfrick Brian Dumbledore.

No way, the names of people in Great Britain are like this, they can't be long.

Dumbledore saw Professor McGonagall walk in with a strange Oriental, his eyes turned around Rovi's body a few times, pushed the eyes on the bridge of his nose and said, "Is there anything to find me, McGonagall, who is this, your friend?"

Professor McGonagall pointed at Rowe and said, "He said his name was Rowe, and that he was an uninvited guest who suddenly appeared at Hogwarts."

Luo Wei smiled and nodded.

Dumbledore repeated Professor McGonagall's words, "Uninvited guests?"

Professor McGonagall said, "I saw this man in the hallway at the end of class today, but there was no movement in the magical barrier at Hogwarts."

Dumbledore understood the gravity of the matter, and his eyes were focused on Rowe's.

"Can you tell me how you got to Hogwarts, the ...... Mr. Lowe."

"Absolutely."

Luo Wei raised his hand to draw a circle and opened the portal, behind which was Mount Everest, the world's highest peak.

Dumbledore and Professor McGonagall clearly saw the snow-soaked peaks on the other side of the portal, and the terrifying cold snaps blowing from them.

The temperature in the room suddenly dropped by more than ten degrees, and Dumbledore couldn't help but shiver, and hurriedly said, "Close the door, Mr. Rowe, I'm an old man who can't stand such a cold."

Rowe smiled and closed the portal.

Professor McGonagall looked at Rowe's hands, still empty, "Cast spells without a wand?" She said in surprise.

Rowe shook his head, "You're wrong, I'm not casting spells without a wand, it's a magic I cast, and I never wanted a wand."

Luo Wei raised his hand and snapped his fingers, only to see a chair appear in front of Luo Wei out of thin air.

Rovi sat down and said to Dumbledore, "First of all, tell me where I came from, Professor McGonagall, Head Dumbledore, my name is Rovi, an uninvited guest from another world."

"Another world?"

Dumbledore and Professor McGonagall exclaimed at the same time.

….

"Yes, a world that is similar to Earth, but a little different, can be regarded as a parallel world of Earth." Luo Wei said with a smile.

Dumbledore was incredulous, and he said, "How can I trust you? Sir."

"It's easy," Lowe said.

He clapped his hands and slowly pulled them apart, only to see a circular magic array slowly unfold from between Luo Wei's hands, perfecting layer by layer, and turning into a complex magic array in the blink of an eye.

"Both of them are experts in the wizarding world, because it can be seen that the magic of my hand is completely different from the magic you know, and it is two systems."

Professor McGonagall looked at the magic circle in Rovi's hand, a little fascinated, she had never seen such a dazzling magic circle.

Not only gorgeous, but also beautiful.

"Yes, you're not wrong at all." Dumbledore slowly stood up and stared at the magic circle that Rowe had constructed, "I really have never seen this magic circle before. It's so beautiful, so different from the magic of our world, I'm somewhat convinced of your origins now, Mr. Rowe."

Professor McGonagall couldn't help but ask, "So, in your world, don't you need a wand to cast spells?"

"Of course." Luo Wei nodded, "Although some magic requires the assistance of some tools, most of the magic can be cast with bare hands, which is very convenient."

He glanced at Professor McGonagall's wand and said slowly, "It seems to me that wands should be used to increase the power of magic, not a medium for magic."

Professor McGonagall was silent.

Dumbledore said, "We also thought about getting rid of our wands, but without the help of our wands, we wouldn't even be able to fully mobilize the magic in our bodies."

Luo Wei shrugged his shoulders and said, "This may have something to do with the peculiarity of your world, after all, wizards in your world are born, and Muggles will never be wizards, right?"

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Professor McGonagall said, "Muggles don't even have magical powers, so how can they be wizards?"

Rowe snapped his fingers and said, "That's the surprise of the two of us, in our world, as long as someone teaches it, even Muggles can master magic and become wizards."

"The magic power in our bodies is not innate, but cultivated little by little."

"So, our use of magic is ever-changing, and it is not difficult for us to cast spells with our bare hands."

"Of course, I don't mean to belittle you by saying that."

"Actually, I'm quite interested in the magic of your world, not only in all aspects, but even in space and time."

"Believe me, this kind of magic is quite precious and powerful even in other worlds."

"Perhaps, we can talk to each other."

Although Luo Wei has read all the magic knowledge inside the Room of Requirement, he has not fully grasped the magic knowledge of this world.

At least Rowe didn't know how to make the Philosopher's Stone, how to make the Elder Wand, or how to make the Cloak of Invisibility.

Not even the know-it-all Miss Hermione had a grasp of how to make the time turner.

It can be seen that Luo Wei did not integrate the magical knowledge of this world.

He also needed to talk to Dumbledore, the greatest wizard Hogwarts had ever seen, to master this knowledge.

You can even get some knowledge from Dumbledore's hands that is not in the books.

The last feather