"Hello!" said Dumbledore happily.

"Hello, Professor!" Several people came to Dumbledore.

"Don't stand there, sit down, the house elves are always too enthusiastic and do everything they can to do for us. They are the best creatures in the world. We better not reject their goodwill. Dumbledore smiled and said, "What do you want to eat? I recommend trying this biscuit."

They sat in a chair next to Dumbledore, and the house elves around them immediately put on drinks and desserts, filled with more than half of the table. The picture looked like a party, but in addition to Dumbledore. No one cares about what dessert to eat.

"Professor, are we ready to summon the demon now?"

"Oh, yes," said Dumbledore. "I think you five should not be willing to stay in the empty Hogwarts for Christmas. Molly also reminded me that I want you to go back, so this kind of thing. It’s best to fix it quickly.”

"What intelligence did you find?" Aiwen asked. "About the Altar of the Devil and Hufflepuff..."

"There is no direct evidence that Helga Hufflepuff has left a demon altar in the school," Dumbledore whispered. "We can only guess that in the original planning of the castle, this area was It belongs to Hufflepuff's exclusive area. Only Hufflepuff himself and her students are allowed to enter, just like Slytherin's secret room. The demon altar that appeared here was passed down from that period, so two There will be relationships between the people. What's more, it is the altar of the devil associated with the house elves. We all know that Hufflepuff has a good relationship with the house elf."

"There are also tips left by her, and also related to the house elves." Ai Wen said.

The hint of the secret treasure key left by Hufflepuff is: the kindly Hufflepuff, from the open valley! She treats everyone equally, and everyone has a chance to get her collection! The key to unlocking the treasure is integrity and loyalty, all you need to do is trust your humblest friend!

The humblest friend in it, no accident, refers to the house elf.

Because the creatures in the hints left by Gryffindor and Ravenclaw can correspond to a creature around Hogwarts.

Gryffindor’s recognition of the proud followers refers to the horses in the Forbidden Forest; Ravenclaw’s clever and wise allies refer to the mermaid in the lake in front of the castle. From the creatures that lived around Hogwarts in these generations, Avon got important information about the key to the treasure.

Therefore, the clues left by Hufflepuff should correspond to the house elves in the kitchen.

Ivan had previously investigated that the house elves in the kitchen did not preserve what the generations were like horses or mermaids.

They don’t know anything, the only suspicious place is the altar of devils.

The demon is also an elf, and it may not know anything.

"Everything must be determined after the summoning." Dumbledore said, "It seems that you don't want to eat desserts. Let's go. Take out the wand, although the power of the demon altar below is not very strong, I don't think it will appear. What a powerful demon, but we still can't take it lightly. Of course, don't be too nervous."

Harry and Hermione seem to want to ask, after all, they will face a demon.

This is an area they don't understand. Tension and uneasiness are inevitable, even if there is Dumbledore.

But just because I don't understand, there is nothing to ask.

Before, Ivan had already said everything that was said. They came here today mainly to increase their knowledge.

Even for the wizard, summoning the devil is not a magic that can be seen at will.

A group of people walked through the kitchen to the cold store behind, and the golden light of the stars emerged from the end of their wands, dispelling the darkness.

There is a variety of food on the shelves around, and the deepest part of the shelf is the blue brick wall.

Through the brick wall, the walls of the back room are covered with the heads of the house elves, there are thousands. They are all crumpled, and they look like they are dead at low temperatures. They are astonishing and horrifying at the same time. The huge and empty eyes look at the front indifferently, giving people a strong sensory stimulation.

Ai Wen heard the Ron next to him sucking a cold air, and then quickly quietly.

It is an old custom to hang the head of the house elf after death on the wall. The elves do not think that this is bad, but they are proud of it. They think this is the biggest affirmation and reward for the house elf.

A wall is separated by Hogwarts' kitchen and cold storage for food. Every day, the students eat the food from here; the other side is like a hell-like head display hall, the wall is full of house elves. Dry corpse head.

Fortunately, Hogwarts students don't know about it, or no one can eat it.

This is the "holy land" in the minds of traditional domestic elves, but since the demon altar was discovered, the house elves are no longer sure to be close to the area.

They walked through the shackles of the house elves. Although the environment was not very suitable, Harry couldn't help but tell the conversation he had heard last night.

He has endured for a long time, and it is not easy to say it without seeing Dumbledore.

"Professor, I have something to tell you about Snape and Malfoy," he said.

"It's Professor Snape, Harry." Dumbledore corrected that he had been introducing them to the history of Hogwarts' house elves.

Since the school was founded, there have been family elves working here. Under Hufflepuff’s proposition and influence, Hogwarts was once the last shelter of the homeless elves who lost their hometown. The place where the elves are the most.

"Yes, Professor Snape," said Harry. "We last night, I, Avon, Hermione heard their conversation at Professor Slughorn's party."

“Actually we tracked them,” added Ai Wen.

"Oh, what did they say?" Dumbledore asked softly, not too surprised.

Harry repeated it again, and Dumbledore listened indifferently. When he finished speaking, he was silent for a while, then said, "Thank you for telling me about this, Harry, but I suggest you still don't take it to heart. The most important thing at the moment is to summon the devil, um, I think what you said is not very important."

“Not very important?” Harry did not believe, “Professor, you really understand”

"Yes, Harry, thank God for giving me extraordinary intelligence. I understand everything you said to me." Dumbledore said sharply. "I think you can even believe that I understand better than you. I am very glad that you guys." Can tell me about it, but let me assure you that you have not said anything that makes me uneasy."