Especially Professor Quirrell, the expression on his face changed several times every second.

Harry, Ron and Hermione looked at each other for a few seconds, then turned their gazes to Professor Quirrell. Seeing this, Professor Quirrell laughed dryly a few times, walked towards Snape, and said at the same time: "S... Professor Snape, don't you have confidence in me?"

Hearing Professor Quirrell speak, Snape glanced at Professor Quirrell and said bluntly: "Yes."

Professor Quirrell: "..."

Seeing a hint of displeasure on Professor Quirrell's face, Professor Snape continued:

"I originally proposed to Headmaster Dumbledore that I be the professor of Defense Against the Dark Arts at Hogwarts, but Headmaster Dumbledore refused and insisted on choosing you. It's a good opportunity for me to see what it is about Professor Quirrell that attracts Headmaster Dumbledore."

Having said that, Snape paused, then stared closely into Professor Quirrell's eyes and said slowly:

"Or, the two of us can be the first to demonstrate to the students? What do you think?"

After hearing Professor Snape's suggestion, Professor Quirrell waved his hands and said with a dry laugh:

"No, no, Professor Snape, I admit that I am no match for you. After all, I was only a professor of Muggle Studies before. So, please give me your guidance!"

After hearing what Professor Quirrell said, Snape turned his eyes away from Professor Quirrell and said, "Let's get started! I remember that when Professor Quirrell was studying in Ravenclaw, his grades were very good. I hope he won't let me down!"

Hearing this, Professor Quirrell could only smile and nodded, then turned to Harry and the others and said, "Where were we talking just now?"

Hermione immediately raised her hand and answered:

"Just now, Professor Quirrell told us that in a wizard duel, the most important thing is to make the opponent lose his fighting power, so wizards often choose the simplest method, such as the Killing Curse!"

Hearing Hermione's answer, Snape instantly turned his gaze back to Professor Quirrell.

Professor Quirrell: "..."

"hehe!"

Professor Quirrell laughed dryly again, and then said, "Yes, that's right, but I'm talking about the method of dueling between wizards with irreconcilable hatred. And if it's just an ordinary fight between wizards, there is actually a more suitable and more convenient spell, but the effect is also very good, that is the Disarming Spell!"

Afterwards, Professor Quirrell introduced the spell of the Disarming Spell, as well as the method and key points of casting it, in detail to Harry and the others.

Professor Snape, on the other hand, just sat there and watched quietly, also without saying anything.

However, the deterrent effect created by Professor Snape was obviously huge. Feeling Snape's gaze, the three people took it more seriously than usual in class and listened to Professor Quirrell's guidance.

As Professor Quirrell, the professor of Defense Against the Dark Arts at Hogwarts, naturally had no shortage of magical supplies in his office that could be used to practice spells, so Professor Quirrell introduced them to the three while demonstrating.

Soon, under Professor Quirrell's explanation and demonstration, Hermione was the first to cast the Disarming Charm. Seeing that Hermione mastered the Disarming Charm so quickly, although Professor Snape said nothing, he partially shifted his gaze from Harry to Hermione.

Professor Quirrell said with a look of surprise:

"Oh my! Oh my god! The speed at which I learned this spell back then was definitely not this fast!"

Seeing that Hermione was ready to cast the Disarming Charm, Harry and Ron looked at each other and suddenly felt the pressure doubled.

But fortunately, Harry was worthy of being a wizard with the aura of a protagonist. Not long after, Harry successfully released the Disarming Spell. Seeing this, Harry was full of joy and was about to celebrate with Hermione. At this time, Professor Snape, who had been watching on the side, suddenly snorted and said, "Why, are you going to set off fireworks to celebrate? This is worthy of being called a Disarming Spell? With such a slow release speed, anyone can dodge it unless they are blind!"

After hearing Professor Snape's words, the atmosphere that was about to get heated up suddenly dropped to freezing point. Harry and Hermione looked at each other and could only continue practicing silently. Ron's forehead was already sweating visibly.

Then, Snape turned his gaze to Professor Quirrell and said, "Professor Quirrell, is it possible that in a duel, besides the Disarming Charm, you won't use any other spells?"

Professor Quirrell was stunned when he suddenly heard Professor Snape's question, then he immediately smiled and said:

"Of course not. Of course I will use some other spells. In fact, the Disarming Spell is more used in conjunction with other spells, such as the Stunning Spell, and..."

But Professor Quirrell was interrupted by Professor Snape before he could finish his words. Professor Snape pointed at Harry and the others who were practicing and said, "Then continue, Professor Quirrell. The Stunning Spell is indeed a good choice! For ordinary Hogwarts students, mastering one spell a day is barely acceptable, but for the famous Mr. Potter, two spells a day should not be a problem, right?"

Hearing what Professor Snape said, Professor Quirrell was confused. Just when Professor Quirrell was hesitating whether to let Harry and the others rest first, Professor Snape did not give Professor Quirrell this opportunity, but directly said:

"Hurry up, Professor Quirrell. I don't want it to get out that the students taught by our Hogwarts Defense Against the Dark Arts professor actually lost to the students taught by a Hogwarts second-year student!"

"If this is true, then I think I need to advise Headmaster Dumbledore that for the sake of the students, it's time for Hogwarts to change the professor of Defense Against the Dark Arts!"

Hearing what Professor Snape said, Professor Quirrell could only smile dryly and nodded.

Meanwhile, in the Room of Requirement at Hogwarts, Wentworth was facing a practice dummy, with his wand outstretched, shouting, "Fuchsia!"

Then, the practice dummy suddenly flew backwards into the air and finally hung upside down on the roof.

Seeing this, Draco beside Wentworth opened his mouth wide and said slowly: "Cool!"

Wentworth held his wand in his hand, pointed at the dummy hanging upside down in the air, and said to Draco who was still looking at the roof:

"This spell is called the Upside-Down Bell, and you've already seen its effect! The Disarming Spell is all you can do for a short period of time, so just use it. This spell is your magic weapon for achieving a surprise victory!"

(End of this chapter)