Gawain always felt that wizards had always had an overly arrogant attitude towards Muggle inventions.

Not only are they reluctant to admit it, but they don't even bother to understand, but they always want to use them to compare and embody the greatness and wisdom of wizards.

Is a broomstick really better than a broadcast 747?

Is the upper flashlight of fluorescent flicker ratio practical?

Is the curse better than the Katyusha washing the floor?

It is true that in some areas, the power of wizards does have an advantage that cannot be surpassed.

But look at it, Hogwarts, which is considered the core institution of the wizarding world, has quietly used the Muggle sewer system, and they have even hidden this modification.

Of course, Gawain didn't want to experience the Middle Ages, especially the sewer system before the Romans arrived.

It would be a true nightmare.

"Expelliarmous!"

Gawain was far away from the faucet and let out a lightly aggressive spell. The red light flashed and fell on the little sinuous snake.

Nothing happened.

The spell hit the faucet as if it had landed on the invisible wall of the armor, and it disappeared without even a wave.

He had tried many simple spells, but neither "Alohomora" nor "Flying Sands and Stones" had helped.

However, they had already sent a letter to Professor Snape, believing that it would not be long before he was here.

"Perhaps, as Myrtle said, we need to speak a certain codeword, a particular language, which only the heirs of Slytherin do?"

Hermione crossed out a line on the parchment again.

"Of course, Miss Jack-of-all-trades, and Mr. Jack-of-all-trades, why don't you spend all this energy researching potions?"

At some point, Snape appeared behind them, "Get out of the way, this place is protected by a strong spell that your weak spell can't unravel." ”

He held his wand and cautiously looked at the dragon's head.

"It can't be aggressive. ”

Snape was quick to make a judgment.

Although it is likely that the entrance to the Slytherin Chamber is buried here, no one in their right mind would be strongly aggressively guarded by a dragon's head.

It's a school, after all.

What if one day a little wizard had a few more poxes and gave the dragon's head a break, and then died for this stupid reason...

I'm afraid that the descendants of Slytherin, who have painstakingly hidden the Chamber of Secrets, will really want to see the person who cast this spell.

The kind in the literal sense of the word.

But that doesn't mean it's really safe.

At least Snape could imagine that if he were in charge of this, he would have fought back fiercely when the dragon head was attacked with more than a certain intensity.

"Diffindo!"

With a flick of his wrist, a ray of light was already shooting out.

Its power is undoubtedly much stronger than Gawain's "small means", so much so that outside the faucet, a milky white barrier appears.

This made Snape feel a little embarrassed.

He did have a more powerful spell, but he couldn't tell where the upper limit of the dragon's resistance was, and what kind of counterattack it would launch.

And they can't go to Professor Dumbledore.

Lucius Malfoy has arrived at Hogwarts, and is now on his way to the hut next to the Forbidden Forest, wanting to "investigate" the person who opened the Chamber of Secrets last time.

"You say it might need a specific code language or language to open?"

Snape didn't look back, and asked without waves.

"Yes, Professor, Myrtle mentioned hearing someone say something very strange before she died, not like English, or a spell. ”

When Gawain mentioned Myrtle, she nodded violently, looking excited.

"It may have been a parseltongue, it was Salazar Slytherin's pride, but it was long lost in history. Let's go, we can't open here. ”

Snape said dryly, turning to leave.

But he found his cloak being tugged at.

"Mr. White, unless you have more constructive proposals than myself, or Professor Dumbledore, I suggest you go back and have lunch. ”

With an impatient look on his face, Snape said. He did take a "deposit", but the problem was no longer something he could solve.

As for the refund of the deposit?

Don't even think about it.

"Professor, you should be able to repair the spell, right?"

But to his surprise, Gawain asked a very inexplicable question and wanted him to wait a few more minutes here.

Thereupon...

"Boom!"

Professor Snape quickly understood.

- Why did Gawain need him to stay, and asked him if he would repair the spell.

And the next time anyone dares to set a large bag of black powder on fire in front of him, he will give that person a vicious curse.

He should have reacted when Gawain dragged him out first and told him to be careful.

Just when Snape was still wondering why Gawain was dragging Hermione so far, billowing black smoke and a huge wave of air had already rushed out of the bathroom.

"Protego Maxima!"

"Silencio Maxima!"

Snape propped up an invisible wall as fast as he could, and then replenished the second before the first crumbled to the ground.

At the same time, he also used a silent spell to release the earbuds to listen, so that the sound here would not spread, and the whole school would know that something was wrong here.

The only thing he was glad about.

It was Hogwarts Castle that was permanently fortified.

So that the second floor and the first floor will be merged into one floor because of this stupid explosion!

Although Snape unleashed several vanishing spells in quick succession to clear the billowing black smoke, it wasn't until a few minutes later that they finally cleared up.

But now the bathroom...

It is not so much a washroom as it is a large black hole, with intricate carvings and exquisite decorations, which have been baptized into a somewhat indescribable lump.

The most conspicuous washstand, as the main target, was blown into many large and small pieces, revealing the pitch-black passage below.

Originally, it was supposed to be the location of the drainage page.

But now it's hollow.

Exactly one-eighth of the space for a dresser.

Not big, not too small.

If this is not the entrance to the secret room, then Gawain definitely does not believe it.

Snape stared fiercely at Gawain, and Hermione, who was tugging at his back behind him, and a minute or two passed without saying a word.

His face was ugly and terrible.

It was undoubtedly because Gawain tossed him very badly, but he found the entrance to the secret room. This completely ruined the one-stop plan of "deducting points, confining, and expelling" that he originally conceived.

"Huh, you two, go outside and wait. ”

Snape flicked his robe and walked into the bathroom, standing in front of the gaping hole.

His wand was pointed into the pit.

“Expecto Patronum！

(Calling the Divine Guard)"