Hogwarts White Knight

No one knows why Salazar Slytherin suddenly had the idea to dig out such a space under the castle with great effort.

Perhaps he had built the Chamber in the first place simply so that he could have a place, some unknown place, where he could teach his students some spells or studies that the other three Founders opposed to making public.

——Because the course on teaching black magic was strongly opposed by the other three founders from the beginning of the school's establishment, so it could not be implemented.

However, as the decoration of the Chamber of Secrets implies, when Slytherin completed the Chamber of Secrets, he strongly believed that he had an unparalleled status in the school.

For of the other three founders, not one ever left a colossal statue of themselves, nor did one adorn the college with a emblem of their personal power (the snake).

They like to use more subtle ways to leave their own sense of existence, such as Ravenclaw's library, Hufflepuff's kitchen and recipes, and Gryffindor's broken hat.

Rather than imitating the French, they used metal to display what they considered to be the most representative of "French spirit" in Paris in the crudest way imaginable.

Gawain and Snape walked into Slytherin's mouth like two Bibi's flavored beans. He could only hope that he would be the more delicious one.

Through the fluorescence at the top of the wand, he could see that this was actually a very spacious passage. There is a lot of strange mucus on the ground and walls, and sometimes there are some broken scales embedded in them, and they are shining slightly.

This reminds Gawain of the basilisk.

The passage was not that long, it was a steep slope sloping downwards. In just two or three minutes, Gawain and Snape had reached the end.

But their faces were very ugly.

——In front of them was an intricate pipe system made of masonry, with many entrances intertwined, undoubtedly leading to the upper levels of the castle.

There is only one difference.

It is the thickest and is located in the middle.

At the entrance of the passage, a tattered copper sign stood there. It had been corroded by water vapor and turned a large amount of blue. Only the letters on it could be distinguished.

"Gu."

That is the meaning of lake.

"We need Professor Dumbledore to come over, now, immediately."

Snape gasped.

Because it can only mean one thing.

——The rearview mirror has escaped from the castle. And right under their noses, there are countless secret doors or traps.

Gawain has no doubt that Quirrell entered the secret room through a passage in the bathroom on the fourth floor, and his purpose of leaving the door open...

"All the secret passages in the castle leading to Hogsmeade are no longer safe."

An idea came to Gawain's mind.

Hogwarts: A school history records that Hogwarts was once a castle for Muggle nobles. It was built thousands of years ago, that is to say, after the Romans founded Britain.

Gawain remembered that when he went to the museum, the tour guide introduced: In 43 years, after the Roman Emperor Claudius I conquered Britain, he turned it into a province of the empire.

Britannia.

What the Romans brought here, besides the beaten Ares, was also their superb water supply and drainage technology. These drainage pipes, even after thousands of years, are still in basically good condition.

Moreover, after the previous renovation of the castle, most of these drainage pipes have now been abandoned, and no water flows through them anymore. This also means that even people can walk freely in it.

"No wonder Quirrell's whereabouts are sometimes completely missing on the Marauder's Map... That's a map, but the route to the sewers is never marked..."

Gawain suddenly remembered that he had borrowed the Marauder's Map before to think about it.

When looking for Riddle, Quirrell is sometimes nowhere to be found.

It was like he suddenly became invisible.

Snape summoned the Patronus, and it flew back the way it came. Not long after, it brought Professor Dumbledore, who flew over holding Fawkes by the tail.

"Severus, thank you."

The white wizard's expression was equally serious and terrifying. On his always neat white wizard robe, there were faint marks stained by black tea.

"Filius and Minerva are coming, I hope you can help them, find out and seal the ends of these passages, and don't miss any of them.

Pomona is receiving Lucius. How about asking Argus to stay with him for a while? I believe they have a common language on certain topics. "

Dumbledore looked at Snape. After hearing this, he nodded sharply and turned to leave.

"Professor, please wait!"

Gawain thought for a while, mixed the remaining saltpeter into black gunpowder, put it in a big bag and handed it to him.

"You know how to use it, you just have to be careful."

As soon as Snape took the bag, Gawain hid behind Dumbledore to avoid being stabbed to death by his vicious eyes.

Snape turned around without saying a word.

He was afraid that if he couldn't control himself, he would turn around and cast a curse on Gawain, or deduct all Gryffindor house points.

"Gawain, let's go for a walk by the lake together?"

Dumbledore looked at Gawain, smiling but not smiling at all. He had more on his mind than Gawain, especially after learning the surname "Gaunt".

"Why not, Professor?"

Gawain shrugged and followed Dumbledore.

They moved forward along the stone steps of the passage.

In the middle of the channel, there was a large amount of broken bones at the bottom of the groove used for drainage, including many more bones like fish, cats, and even larger ones.

"I thought it was a deer."

Seemingly noticing Gawain's gaze, Professor Dumbledore explained. The phoenix Fox flew at the front, leading the way for them.

The channel is very long.

The farther back you go, the heavier the moisture is in the air.

Until the end, there is a wide wall made of blue bricks, and a low arched water inlet connects to the deep underground river.

There is an entire bronze wall here, carved with two intertwined poisonous snakes, guarding a heavy door.

"Gawain, did you see that?"

Dumbledore suddenly said without any clue.

But Gawain understood what he meant.

"I see, Professor."

Gawain can "see" two places with particularly "bright" colors, one on the wall and the other at the door.

To be precise, it's a snake eye on the door.

"Of course, how could you not see it?"

Dumbledore walked straight to the color on the wall, fumbled with his right hand a few times, "Huh?", he suddenly smiled and made a motion of turning the handle.

Suddenly there was a heartbreaking clicking sound, and the bronze on the wall suddenly split into many small pieces, and was reassembled into a door.

"Well, it looks like it's a secret door he left behind, maybe for people like us."

Dumbledore looked up and looked behind the door. There was a very tall ladder. But even if he didn't go out, he could guess where the ladder would lead.

——A small pier by the black lake.

It is said to be the starting point for the Big Four's boat trip across the Black Lake to Hogwarts.