Chen ang and Dumbledore exchanged their views on the stable way of magic. They are probably the most knowledgeable people in the whole magic world, and few can compare with them - Voldemort may be one, Nicole may be one, and Gellert Greenwald, who is now locked in newmengard prison, should also be one.

The rest, even Hogwarts professors, were unable to join their conversation.

At the beginning, Snape, sitting next to Chen ang, could still listen with a gloomy face. When Chen ang and Dumbledore talked about the role of magic words and sound spells in the stability of wizard blood and magic, and the origin of ancient magic words in the development of modern magic spells, his face became as ugly as a dead man. Further, Professor McGonagall looked serious from beginning to end, but her incredible eyes at Chen ang betrayed her - she was also shocked by the erudition of this unknown Oriental Professor, even a little unacceptable.

In fact, this is also the process of mutual temptation between Chen ang and Dumbledore. It was not until the students of the four colleges and demstrom came to the hall and sat down at the table that Dumbledore stopped and said with a smile: "good morning, ladies and gentlemen, ghosts, and demstrom's guests!"

"The class for the second and third grade students is temporarily suspended today. We want to start an exchange activity with demstrom guests. In the next month, Professor Chen ang will open a new course for you... Duel class with demstrom style. Now let's welcome Professor Chen ang!"

Harry looked at Chen ang in surprise. Ron sitting next to him was stunned by the news.

He exclaimed, "that's great!"

The whole Hogwarts was boiling. Harry heard Gryffindor's senior whispering, "how is this possible?" "is the headmaster crazy?" "how could Dumbledore promise such a ridiculous thing?"

Only Malfoy smiled proudly, and Slytherin's seat even cheered.

Harry asked Ron incomprehensibly, "what happened? Why did everyone react so?" Ron was still surprised, but with a trace of tension and excitement on his face. He replied: "demstrom's characteristic is black magic! Duel class is actually black magic duel class... It means that we will learn, real, lethal black magic!"

Harry had no reaction, but Hermione next to him was about to jump up. She shouted, "how can headmaster Dumbledore allow such a ridiculous thing? Teaching black magic is illegal, which is simply..."

Ron hesitated: "teaching unforgivable spells is illegal... But most black magic has no restrictions. Otherwise, demstrom would not have been able to open legally for so long! In fact, teaching unforgivable spells is illegal, but it is legal for students to teach themselves and read magic books."

Hermione roared at him, "I'll report it to the Ministry of magic... If they have a little sense, they will stop headmaster Dumbledore's crazy behavior."

At this time, cheers and applause came from Slytherin, and the exchange students of demstrom jumped up to cheer, but what was embarrassing was that the other three colleges whispered and made a buzzing sound like a swarm. Chen ang stood up and motioned. Facing such a scene, he was not embarrassed, but announced: "Everyone here can learn the means to implement their will and the knowledge closer to the truth."

"Many people think that I will teach you some dark and terrible knowledge, but in fact, I think it is more important to teach you how to find light from the dark and drive your ambitions and desires. In fact, black magic is not terrible, uncontrolled black magic is terrible... I know many of you want to be Aurors and be a clerk in the Ministry of magic 。”

"Then you have to take advantage of this opportunity. This is the only chance for you to receive black magic education five years in advance!"

"Although it is only one month, the students of Hogwarts will have classes with the students of demstrom. You will get real exercise here, learn to be the greatest and most basic ability of a wizard - just like using magic to carry out your will, and learn how to solve the contradictions when they are irreconcilable."

"It's a choice between life and death."

At this time, gidrow Lockhart couldn't wait to jump out. He shouted: "When Professor Dumbledore asked me your defense against the dark arts professor's opinion, I said that I fully agree with demstrom's proposal. You have studied at a top defense against the dark arts master. As long as you can learn a little of my ability, the black magic will be vulnerable under your hands."

"Just as I have fought against evil creatures and black wizards countless times... You can see the specific details in my works."

"Next, I will demonstrate the duel etiquette and rules with Professor Chen ang. He told me that it will be helpful for your next study and re understanding of the defense against dark magic. Therefore, at his request, I will demonstrate for you how to defend against and counterattack the cutting-edge dark magic... I don't want to worry the guests of demstrom strong, so when my spell hits your professor Don't scream! "

Ron whispered to Harry, "I don't think demstrom's black magic professor will be inferior to the Cornwall elves."

"May our professor 'look' at him - can he not scream like a little girl!" a demstrom exchange student nearby whispered, "may athatos take care of him! In addition, I really can't think of how he can defend our professor's' black magic '!"

Harry also heard demstrom's exchange student ask, "will the professor kill him?"

"That's the best ending he can imagine!" someone replied with a sneer.

Hermione also heard it. She turned to Harry and said, "how can they say that about Professor Lockhart? It's very impolite!" Harry thought in his heart that demstrom's exchange students didn't say too much, but he couldn't say anything in front of Hermione.

By this time, the senior students had finished eating and were ready to go to class. Harry and they were asked to stay in the auditorium. He saw Chen ang wave his wand, and the long table in the center of the auditorium disappeared. Instead, it was a glittering stage against the wall. The magic dome overhead was clear and the sun was just right.

Professor McGonagall's eyes widened beside her - it was the first time she had seen someone come to Hogwarts as if she had been at home.