"Quiet. Snape closed the door to his classroom and said coldly.

In fact, there was no need for him to order everyone to be quiet, because as soon as the class heard the door closed, they immediately became silent, and all small movements stopped.

Professor Snape seemed to be angry, and whoever dared to make a sound at this time would be to open his eyes and hit the muzzle of the gun.

In fact, Snape shouted "quiet", not really trying to clean up the class, he hoped that someone who didn't know whether to live or die just happened to make some movement, and he would have a reason to vent his anger.

However, he was disappointed.

Snape walked to the podium, his footsteps could only be heard in the classroom, he looked at everyone, and said with a cold face, "Before class, I think I need to remind you that next June, you will have an important exam to prove how much you have learned about the preparation and use of potions. ”

"Even though it's true that a few of you in this class are mentally retarded, I still want you to be here. I can barely 'pass' in the LS exam, otherwise I will ...... Very angry. ”

His eyes were focused on the faces of Neville Roon Seamo's men this time, causing them to gasp in fright.

Snape's tone changed suddenly, and he said with a smile: "Of course, after this year, many of you will not have the opportunity to take my class again, because many of you feel that they have passed. The LS Potions exam is worth cheering for, there will be no greater pursuits, it doesn't matter, it's a smart person's way to retreat, next year I will only select the best students to enter my Potions class, even if I want to, I may not have a chance. ”

Although it was full of irony, as soon as the words fell, a relieved voice sounded in the class.

Everyone's voices were: Oh, that's great, Merlin, I'm finally going to say goodbye to Potions class. Ls?I'm not right, and I'm going to keep looking for Snape to be devastated.

Snape looked at the smiles on the faces of most of the people in the class, his face was gloomy, the corners of his mouth twitched, and he couldn't help but curse in a low voice: "Made......"

Snape burst out laughing, the kind of smiling tiger and cold viper smile of course, and he squinted at the class, "We need another year to hold on before that pleasant moment of farewell comes, just one year......

At this moment, Snape made up his mind that this year, he was going to let them taste five years of pain.

The students in the class suddenly shuddered.

Snape said, "Alright, let's get started." Today, we're going to make a potion that often appears in ordinary wizard level exams: a palliative, which calms and soothes irritability and anxiety. Note: If the ingredients are placed so-so, it can cause the person taking the drug to fall into a dead, and sometimes irreversible, lethargy ......"

As soon as class arrived, Hermione was in high spirits, and there was a look of concentration on her face.

Harry didn't even look at the ingredients and preparation methods that appeared on the blackboard as soon as Snape waved his wand, but took out a book on "Advanced Potions Making" and took a closer look.

This book is not the book to be used for this school year.

Every page of the textbook is filled with dense text notes, and some of the ingredients of the potion have been crossed out by the owner of the book at his own discretion.

If some potions experts see it, I'm afraid they won't even look at it and think it's a child's graffiti, because the production process of these potions will fail if you move a little, let alone make such drastic changes.

Noticing that Snape was looking at him, Harry smiled at Snape and held up the book in his hand to cover his handsome face.

At the bottom of the back of the book, there are a few small words: "This book belongs to the half-blood prince"

Arrogant, very arrogant.

Snape's anger surged, he knew that Harry was definitely deliberately provoking him, but he couldn't help it, because if he punished Harry for not paying attention to the class, Harry would definitely make a perfect palliative with a naïve face, and then weakly ask a rhetorical question, Dear Professor Snape, I have learned, then there is no problem with reading some more advanced potions knowledge, and he will not be able to get off the stage at that time. Luckily, Harry didn't know that he had kept the book, otherwise Harry would have been so proud. Using his knowledge to solve the problems he has laid out, this is the most disgusting.

Unfortunately, what Snape thought was what Harry had made him think.

Snape thought that the identity of the half-blood prince was definitely a secret that no one could find out, but Harry had already known it.

Snape couldn't see it, and simply stopped looking at Harry, otherwise he would be angry

"The potions you need are in the locker, you have an hour and a half, let's get started, hand in your finished product at the end of class, and I'll score you. With that, Snape left the basement classroom.

The classroom buzzed.

"How did Professor Snape go?"

"Isn't that better, hurry up, which big guy will do it, teach me." ”

"It's the first time for anyone to make a head. And my crucible isn't hot yet, so let me teach you. ”

Hermione brought two potions from the cupboard, one for Harry's.

The difficulty of the alleviative agent is not high, but its steps are very complicated, but the book is written in detail, if you can strictly follow the steps in the book, 90% of it will be successful.

However, everyone knows this, but failure is still failure, because if you are not careful, you will forget or take a wrong step.

Each person used their wands to light a fire under the cauldron, and then added the various amounts of potions that had been weighed in strict order into the cauldron.

It should be mentioned that in July this year, the Ministry of Magic issued a legal provision "On the Reform and Replacement of Some Instruments in the Magic Potions Industry", which was officially endorsed and required that the Potions field should gradually learn from the Muggles, first of all, the change of tools.

Old-fashioned bronze-silver-gold balances are now scarcely seen in Diagon Alley, replaced by the electronic analytical balances used in the Muggle World chemistry laboratories.

The measuring range is precise, easy to use, and improves the efficiency of pharmaceuticals.

The students had just weighed potions using Muggle technology.

I have to say, that scene is quite weird.

......

Each time an ingredient is added, the mixture must be stirred a specified number of times, no more or less, first clockwise, then counterclockwise, until the changes described in the book appear in the crucible, and then the next step is quickly carried out, and a few seconds earlier or a few seconds slower may be missed.

After the cauldron boils, the temperature of the flame is magically precisely controlled within a specific range, neither high nor low, and held for a longer period of time before the final ingredient can be added.

Many students make a few mistakes in the early stages, and then they quickly clean the crucible with a 'clean up' and start over.

When they find that the time left is not enough to support them to start from scratch, they can only grit their teeth and continue, no matter what it comes out, and then talk about handing over something first.

"Hey, Malfoy, you need to add ten grams of silver moon hay powder, but I see your little pile, you poured a hundred grams into it. ”

"How...... How is it possible, you must have read it wrong, continue to scold. ”

"Thomas, why did you suddenly jump to the seventh step, didn't we just take the fifth step, didn't you see the sixth step?"

"Hehe, nonsense, that's a mistake in the book, there is an extra step printed in the book, believe me, absolutely yes. ”

"Okay, okay......"

Harry and Hermione were the two exceptions, one with a relaxed look and the other with a serious look, and they went on without making a mistake.

At the fifty-minute mark, they stopped.

In front of them, in the cauldron was a potion of uniform concentration emitting a little bit of silver light, slowly spinning, like a shrinking galaxy.

Needless to say, everyone understands that they succeeded.

The one in their hearts is called a sour, they silently lament: lemon fruit on the lemon tree, only me under the lemon tree.

After a few more moments, there was an explosion that drew Snape in.

Neville's crucible is fryer again.

......