With Christmas two weeks to go, Nyx was practicing Transfiguration in the courtyard when Neville came running out of breath and said, "Nyx, quick, Lupin is going to teach us how to deal with Dementors in the History of Magic classroom." ”

Nicks paused to practice and asked, "History of Magic classroom?" Are you not mistaken? Not a Defence Against the Dark Arts classroom? ”

"Yes, History of Magic Classroom! They all went, hurry, they started when they were late. Neville pulled the Knicks and ran.

The History of Magic classroom was on the second floor, and Knicks and Neville came relatively quickly, and in the classroom, Professor Lupin was sitting on a box, and Harry was looking nervously at the box, and they saw Nick and Neville stop chatting.

"You're here, Ron is going to Hermione, Seamus is going to the others, they'll be there in a minute, let's wait." Harry said.

Neville: "Okay. ”

Nicks nodded, away from the box.

A few minutes later, Ron returned with Hermione, followed by Tifa and Luna.

Seeing his sister, Nix said, "What are you here to do?" ”

"Come and learn spells, brother, you can't always be by my side, what should I do when I encounter monsters?" Tifa said.

Nicks opened his mouth, unable to refute. It wasn't long before the Weasley twins and Seamus arrived.

Lupin got up and said, "Alright, the people are here, let's start." ”

When the crowd wanted to sit down, Lupin stopped, "You don't have to sit down, lean against the wall." I'm going to start with the spell. It is a very advanced form of magic, far beyond the abilities of ordinary wizards, and can only be learned by the smartest and most powerful wizards, and the name of the spell is Patronus Charm. ”

Everyone looked at him expectantly.

"If the spell is successful, you will summon a Patronus, who is the nemesis of the Dementors, the manifestation of the hope, happiness, etc., that the Dementors can seek, and it will not despair, so the Dementors can't help it. The Patronus is your shield against the Dementors, and it will protect you with all its might. ”

"What does a Patronus look like?" Harry asked.

"Each wizard's patronus is different, depending on the wizard's personality." Lupin replied.

"How do you conjure it up?"

"Recite a mantra and focus all your thoughts on a particularly pleasant moment so that the mantra will succeed."

Nicks thinks the principle is simple, to turn happiness from a concept into a physical object through spells, why can't those wizards do it?

Lupin cleared his throat and said, "Okay, try to accurately recall the wonderful and fluttering feeling in your heart, and the spell is - Calling God Guard." ”

Everyone repeated, "Call God Guard." ”

"Remember to focus your mind on happy memories." Lupin emphasized.

Everyone tried to cast the spell.

The results were different for everyone, but Harry succeeded the fastest, spewing out a little silver-white gas from the front of his wand, and the silver-white gas dissipated as soon as he was excited.

This was followed by Tifa and Luna, both of whom also managed to release silver gas. Hermione followed. The Weasley brothers and Seamus were similar, and the wands of Nicks and Neville were completely unresponsive.

"Don't be in a hurry, wave your wand lightly, and try to think about happy things." Lupin emphasized.

Slowly, Neville was able to release a little silver gas, but the Knicks were completely unresponsive.

Everyone is accustomed to it, Nicks is slow to learn new spells, only Nicks himself understands, this time is different, the Patronus Charm does not require much magic, it requires happy memories, and he has nothing to do after the crossing, most of the time he is affected by the system and is crazy.

"Professor, I'll practice more, don't wait for me." Nick Dow.

Lupin thought for a moment and said, "Okay then, you stay away. ”

With that, he handed the books on the box to Nicks and motioned for him to go to a safe place behind him.

The Weasley brothers joked, "Knicks, you really need to stay away, or Boggart will be a mess of dust." ”

Nicks was attracted by the twins, didn't look at the book in his hand, and replied, "Don't worry, it won't be this time." We're here to learn how to deal with the Dementors, we just need Harry to face the Boggart, we don't need to be in front of the Boggart. ”

"Don't mess around, it's dangerous." Lupin stopped the twins, turned to Harry, and said, "Are you ready?" I'm going to open the chest, remember the spell? The point of the spell, how to wave the wand are memorized? ”

Harry nodded.

Lupin said to the others, "You don't have to deal with a Dementor, you can cast a spell as well. ”

Everyone nodded.

Lupin shouted again, "All ready, I'm going to let it out." ”

He lifted the chest, and across it was Harry, and a Dementor rose from the chest. The classroom was filled with an eerie, cold atmosphere. All people had trouble breathing, and the feeling of happiness kept moving away from them.

Harry shouted, "Calling the Guards, Calling the Guards, Calling the Guards—"

The third time he didn't shout, Harry lay down, and the others immediately cast spells, and the classroom rang out with a jumble of "Calling Guards", but no one succeeded, and all the wands were empty.

In front of the Dementors, they were too flustered to concentrate on the happy events.

Lupin took a few steps to stop the Dementor, who turned into the moon and was enchanted back into the chest by Lupin.

Nicks shook his head, this group of people could succeed in practicing spells, but they couldn't cast spells in a panic in the face of Dementors. Not even twins who have seen Dementors, and it's not for nothing that the Patronus Charm is said to be a very difficult spell.

Boggart was locked in the box, Harry woke up, sweating profusely, and Ron helped him to sit on the table.

"Shall we try again?"

Lupin shook his head. "Not now, that's all for today. To give. With that, he gave Harry a piece of chocolate. You should also practice more, and it is better to release the Patronus. ”

Nicks watched Lupin pack up his things and wanted to return the book to him, and looked down and was stunned, wasn't this the Occlumency book he saw in the principal's office? How in the hands of Lupin?

As soon as I came back to my senses, I looked at it, and I had limited time to remember how much was much.

After Lupin finished packing his things, he saw that Nicks was quickly flipping through the Occlumency book, and said, "If you want to see it, you can take it back and read it slowly, but remember to return it to me." ”

The Knicks were pleasantly surprised. "Is that okay? Professor. ”

"Well, I've read it and made some notes on it, I hope it will be useful to you."

"Thanks, Professor, I'll give it back to you as soon as I can."

After Lupin leaves, Knicks ponders why the book is in Lupin's hands. Thinking that the other day was a full moon night, Lupin transformed into a werewolf may have heard a whisper. With Lupin's trust in Dumbledore, he must have told him that it was normal for Dumbledore to recommend this book.

So did Lupin let him see that he thought he could hear the whispers too?