A/N: English isn't my first language, so, if you find mistake and you want to help me to write better, please write them in the comment with the correction.

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Gravity Falls, a beautiful town where the abnormal things are the norm. But in the the calm of the town, everyone is afraid of the storm coming soon. The reason? In the deepest part of the forest there is a black castle where the King of the vampires lives with his henchmaniacs, his cousin and his prisoners. His eleven henchmaniacs and his cousin are often seen wander at night to kidnap people who are caught staying out all alone. When you are bitten by a vampire, the loss of blood make you lose consciousness and you're taken to the Fearamicastle , where you will become food for the vampires until your heart stops beating. No one knows the appearance of Bill Cipher, their leader, and those who says they've seen him or says his name, disappear after a short time. It doesn't matter if they say it loud in a street or whisper it in their friend's ear. He sees everything and he hears everything.

People say that the only way to save themself from him is ask to make a deal but everyone knows that Bill really likes cheat. He never lies but he always turns the deal in his favor. Rumors said that only two people managed to make a deal with him: Preston Northwest and Stanford Pines. The first managed to get the salvation of his family from being killed. The thing that nobody knows is that in return Bill took his daughter Pacifica who has been in the Fearamicastle (A medieval-Victorian castle with triangular towers and windows and the walls like the one in the Fearamid) since that day. He keep her alive only for don't break the deal but she's still used as food by vampires.

Nobody knows much about Ford's deal. He had disappeared for thirty years then he reappeared but no one knows his deal with Bill. It's only knows that the protection of the rest of his family wasn't included in that.

When he was missing, his brother Stan had lived in what was once his home. For years, he lived there alone, then, twelve years before his brother's return, his two great-grandchildren Dipper and Mabel, came to live at his house after the murder of their parents. They died saving the twins from a vampire attack.

The time passed and the twins were sixteen. Dipper always tried to make adventures, solve mysteries and discover new things. Mabel instead loved to go out with her friends and met new people. Both of them went out almost every day but they had to return before sunset by order of their grunkles. Dipper sometimes fell asleep in the woods or didn't realize what time it was when he solved mysteries, so sometimes he returned late. Rare instead was when his sister was missing, just like that time.

Mabel was at her friend's house. She looked at the time and she saw that the sunset would soon arrive. She left the house and ran into the forest to get home earlier. Halfway through the path, she stumbled on a rock and hit her head against a tree, falling to the ground unconscious. When she opened her eyes, she was very confused. She stood up and looked at the sky. Dark. It was night. She heard a rustling behind her but when she turned, she saw nothing. But this didn't reassure her and she started running towards the house trying to look over her shoulder. After a while she heard the voice of Dipper calling her. She ran towards him and started calling her brother back as soon as she saw the light of his flashlight. When Dipper saw his sister, he started running towards her but they both stopped when someone put a hand on Mabel's shoulder. She turned slowly, completely enveloped in terror. In front of her she saw a tall, beautiful, pale boy. He had a white shirt, a yellow waistcoat and a black tailcoat. His golden eye glowed in the darkness and seemed to look inside hers soul, while the other was covered by a black eyepatch... Bill Cipher!

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A/N: So like this:

mixed with this:

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B: Look who I found... Sixer's niece! ~

Bill smiled and grabbed Mabel's chin who swallowed terrified while she looked at his sharp fangs.

B: I've always wanted to steal from him something that he care about a lot and now I find someone with his own blood running through their veins.

Dipper pulled out his anti-vampire gun and pointed it at the vampire's head.

D: Put your hand off my sister or I swear I'll shoot you!

Bill looked to him as if he noticed him only in that moment and he started to laugh insanely.

B: And you really think that you can kill me with that? Tsk, the most you could do with that weapon would be to kill one of my henchmaniacs or weaken me for a while but unfortunately for you, you don't have the courage to do anything. I see you're trembling, but don't worry, I'll take your sister away today and as soon as you talk about me, you'll be able to see her again. This, of course, only if you don't take too long for pronounce my name, otherwise you'll only be able to visit his decomposed corpse! ~

Dipper pulled the trigger and fired, leaving a scratch on Bill's cheek. He wiped the blood from the wound on his surprised expression with his hand and he licked it as if to make sure that it was his own blood.

D: T-this was just a warning. N-next time I swear I'll kill you.

Bill grinned, then laughed, louder and louder with his laughter echoed through the wood.

B: It was ages since someone had the gut to hit me! I've almost forgotten how hilarious the pain is. You know what, kid? You're nice to me. I wont come to get you even if you'll tell this story to the whole world. Goodbye Pinetree.

Bill turned and pushed Mabel into the forest with him as Dipper lowered his gun and tried to think a way to save his sister. There was only one thing he could do.

D: WAIT, BILL!

The vampire stopped.

B: What?

D: I... I heard that you like deals...

Bill grinned evilly and turned to Dipper.

B: I'm listening...

Mabel's eyes widened, already understanding his brother's plan.

M: NO DIPPER! DON'T MMH ...!

Bill covered hers mouth with his hand as Dipper looked down at the ground, murmuring something. The vampire's hearing was even too well for understand what he had said but he wasn't satisfied enough.

D: Free my sister. If you promise no one will hurt her or my family... I'll come with you and I won't try to escape.

Bill smirked and teleported in front of Dipper. He grabbed his chin to meet his gaze.

B: Say it again.

D: I'll come with you!

Bill shifted Dipper's shirt to be able to bite him freely. His eye glowed in bloody red as he sank his fangs into Dipper's neck. The boy collapsed on the ground supported by the vampire and teleported away before Mabel could try to stop them.

B: I accept your deal, Pinetree...

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1174 words

10/02/18