A day at Hogwarts.

"It will be my reward for hiring you and my sincerity."

In a separate room in Shelter 2, Harry was handing the Sword of Gryffindor to the goblin with a complicated expression in front of him, giving reasons to persuade him to cooperate with his actions, "I think you should be able to see this. The sword of Gryffindor is genuine."

"Yes, this is the real thing."

There was no joy on the faces of the two goblins. They felt that Harry had no intention of handing over the Sword of Gryffindor as promised from the beginning.

"I know your concerns. We can make an unbreakable vow. You will help us go to the Lestrange vault and get the Hufflepuff Gold Cup hidden inside, and I will hand over the Sword of Gryffindor to you. As a reward for helping me get the Gold Cup.”

"Hufflepuff's golden cup? Are you sure Lestrange has that kind of thing in his vault?" The two goblins exchanged glances with each other.

There is no way, Harry Potter is too sincere.

Since the other party intends to make an unbreakable vow, it means that they have never thought of breaking the contract.

only……

"Yes, if you really want to know why we are willing to trade this sword for the gold cup, I can tell you, but I think you probably won't want to know."

"Okay, if you don't agree, throw it away. We are already sincere enough. Don't continue to push the envelope." Ron spoke appropriately to interrupt the goblins' thoughts.

"We agreed."

Things went more smoothly than Harry expected.

Of course, this is also related to the fact that this is the only possibility for the goblins to get back the Sword of Gryffindor in the past thousand years. They cannot easily give up such a good opportunity. As for why Harry wants the gold cup, it has nothing to do with the goblins.

Especially when Harry Potter was willing to make an unbreakable oath with them, which gave both parties a solid basis for cooperation without having to worry about sudden betrayal.

Harry, who had already decided to make an unbreakable oath with the goblin, naturally thought of the regulations that both parties needed to abide by. The whole process didn't take long. The three of them used the compound potion to change their disguises and sneaked back to the opposite side with Griphook. Corner Alley.

Due to the influx of a large number of dark wizards into the UK, Diagon Alley was busier than expected, filled with dangerous-looking guys.The shops and stalls on both sides of the street are filled with all kinds of rare contraband items.

Moreover, due to the large influx of dark wizards into Diagon Alley, Gringotts had to hire a large number of security guards, and the screening of wizards entering Gringotts became more stringent.

But this was not a problem for the three people who had already made plans.

Hidden under the invisibility cloak, Harry directly used the Imperius Curse to create a small conflict at the entrance of Gringotts. When it was Hermione and Ron's turn to check, he used the spell on the guards who checked them, easily Sneaked into Gringotts.

What comes next is even simpler.

They used the keys to the Gringotts vault that they had "borrowed" in advance and boarded the trolley to the underground vault. Everything went incredibly smoothly.

After the train ran on the track for a while, Harry put away his invisibility cloak. The goblin driving the car was not surprised at all by Harry's sudden appearance.

Even before waiting for the bus, Harry had used the Imperius Curse to control the goblin driving the car. ….

I have to say that the Imperius Curse is really useful.

"This is not the car heading to Lestrange's vault." Griphook fulfilled his duties and reminded the three of them in a low voice.

"we know."

After Hermione used the communication bookmark to send a message to the outside, she comforted softly, "We have prepared broomsticks, and we will need you to guide us later."

"This is not easy. The Lestrange family's treasury is hidden deep underground, and we have also made some special protections." Griphook found that the three people around him were too well prepared, which made him worried that he had been deceived. Even an unbreakable oath may not be reliable.

"Troll security?" Ron asked jokingly.

"It's not a troll, there is a fire dragon there, but we have no way to get past it." Griphook reminded.

"It doesn't matter, it's just a fire dragon. We can always find a solution." Harry was not worried. This was not the first time he had dealt with those big guys.

"The biggest problem now is to find Lestrange's treasury." Hermione was also not worried about the fire dragon. The Felixir made them very confident.

"No, you don't understand. Even if we find the vault, we can't open the door to the vault. We need Bogrod. Only he has this authority. Only Bogrod can put his palm on the door of the vault. Can open the door to Lestrange's vault, otherwise it will only cost us our lives."

"We have a way to get that door."

Harry knew that this was probably one of the main reasons why Albert let them master the Fire Curse.

The Devil's Flame can destroy even Horcruxes, let alone the door to a goblin's vault.

Harry's words made Griphook even more uneasy. He wondered if he had done something stupid. Judging from the attitudes of the three Harrys, they were obviously prepared and planned to use extraordinary means to get Hufflepuff's gold cup.

"When will the goblins discover our invasion?" Hermione asked suddenly.

"As long as you don't do anything stupid, they won't find out so easily. After all, you are just here to get the gold coins, and you haven't done anything over the line yet." Griphook hesitated for a moment and explained to the three of them, "However, deep underground, There are sentries and goblins responsible for patrolling. Once you don't follow the rules or don't go back for a long time, the goblins will definitely notice that something is wrong. It's hard to say how long it will take, but it usually won't exceed half an hour."

The goblins were confident in their security measures, and apparently weren't worried about stupid thieves stealing from them.

"Very good, we have at least half an hour to find Lestrange's vault." Harry got off the cart, reached out to take the Firebolt thrown by Hermione, and motioned for Griphook to sit up.

"If possible, we'd better get the gold cup we want quietly, and the goblins also get back the Sword of Gryffindor quietly, so no one will be in trouble." Hermione also got on the broomstick and faced Griphook explain.

Hermione had specially practiced her flying skills for today, and now she was able to follow Harry closely without falling behind.

"There is a sentry post ahead. I'm not sure if there are goblins standing guard." Griphook reminded Harry as he pulled off Harry's clothes. ….

There is indeed an outpost ahead, and a goblin wearing a short sword is dozing.There are basically no guests coming deep underground, and those ancient vaults also have many anti-theft measures.

The deeper you go underground, the more oppressive the deep darkness becomes. Fortunately, the three people who have taken the Felixir all appear to be unusually calm.

It can be said that we passed through several sentinel points along the way without any danger, and found the correct passage among those dense passages.

"You can go directly from here to Lestrange's treasury, but I must remind you again that it will definitely disturb the guards here. I hope you can find a way to pass through the dragon, otherwise we may all be burned to death. ." Griphook pointed at the stone passage below and warned again, "I don't want to become its food."

"How did you tame a dragon?" Ron asked curiously.

"The goblins have their own methods." Griphook didn't intend to reveal it. "Anyway, I definitely can't lead you through the fire dragon now. You need to pay attention at the first corner. The fire dragon is in the room beyond."

They landed on a stone passage. After getting off the broomstick, they quickened their pace and walked towards the passage. Just as Griphook said, at the first corner of this passage, a huge fire dragon blocked their way. The way out, they were forced to huddle in the passage.

"Its eyes are gone," Griphook gasped, "but that makes it even more brutal. You better have a way to get through, otherwise we all..."

Just as they were talking, the fire dragon seemed to smell their scent, and a stream of flames surged directly towards this side, submerging the corner of the passage.If they had just barged in directly, they would have been directly engulfed in flames.

"This simple fire dragon trapped in chains is just a living target."

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