This chapter contains small spoilers referencing 'The Last Mabelcorn' and is loosely based of a mabifica oneshot I read on tumblr.

Dipper pines opened up the journal, flipping through it as fast as he could as Mabel approached the unicorn. According to the strange old book, only the purest of heart could approach the creature without getting impaled by its large horn. So, of course, Dipper had asked Mabel to try and befriend it. Dipper had asked his sister to come just this reason, to try and get a lock of its hair for Stan, who had explained he had found a way to billproof the shack.

"Be careful" dipper hissed at his sister, still turning the paper thin pages of the journal but more slowly.

Mabel turned to him and smiled "I'm gonna be fine bro-bro, I'm the most pure of heart person I know".

Dipper rolled his eyes then went back to searching the journal. Mabel turned back around, now facing the unicorn. The unicorn tilted its head then, to both the twins surprise, began to speak.

"Hello children" it nodded at Mabel but its eyes were locked on Dipper.

Dipper didn't reply but Mabel was ecstatic at the discovery that the unicorn, the creature her whole childhood revolved around, could talk.

"Hey there" Mabel grinned ear to ear, showing off her braces.

The unicorn turned towards the twelve year old, stepping forward.

"I know why you're here, Mabel" its horn started to glow a pinkish-orange colour as it went on "you think you're pure of heart".

Mabel nodded enthusiastically "yup, that's me!" She jabbed a proud thumb into her puffed out chest.

The unicorn raised an eyebrow "you?"

Mabel frowned, her hands dropping to her sides. Dipper looked up from the journal, confused.

"Yeah" Mabel replied quietly "me".

The unicorn snorted rudely. "Are you kidding me?" It walked slowly around Mabel.

Mabel stared at her feet "but I saved someone's life the other day" she was just as confused as dipper was about this.

"After letting your brother get possessed" the unicorns gaze turned to Dipper once again, a smirk on its face. If unicorns could actually smirk, because they probably can't.

"That wasn't her fault" dipper interjected, watching as tears began to form in his sisters eyes.

The creature snorted and lowered its head, aiming it's razor sharp horn at Mabel's heart.

It began trotting slowly towards her. Mabel wasn't paying attention to the oncoming danger, she was staring at her feet, hugging herself, tears dripping down her cheeks.

"Mabel" dipper cried, making her head shoot up just as the unicorn started galloping towards her.

She ran to the left, inches from its horn. The unicorn sharply turned then headed straight for her once again.

Dipper grabbed her arm and sprinted towards the shack, the unicorn following in hot pursuit.

"I don't understand" Mabel mumbled to herself, sniffing and wiping the stray tears with her free arm.

Dipper squeezed her hand "don't worry Mabes, you're the most pure of heart person here, that unicorns just a jerk" he turned back to see the unicorn gaining on them.

He knew for a fact that two twelve year olds couldn't outrun a fully grown unicorn three times their size so he did the next best thing, guiding Mabel to the golf cart outside the shack and hoping the keys were in it. Both of the twins sighed happily as they saw the keys on the front seat. Wendy must've been there, forgetting to put them back in the kitchen. Dipper took the drivers seat, Mabel sitting next to him. Dipper quickly started up the engine, hitting the gas pedal and speeding towards the woods, heading towards town.

Mabel yelped and grabbed the steering wheel after realising where they were heading.

"We can't go into town, everyone will freak out and the unicorn will probably end up killing them" Mabel turned the wheel sharply to the left instead, almost tipping over the cart in the process.

"Mabel let go- ahh!" Dipper got flung to the side. He prised his sisters hands off the wheel and started to drive zigzag in between the trees.

He could hear the unicorn behind them, breathing heavily. Maybe they could tire it out and then it'll leave them alone. No, there had to be another way. Dippers mind went to the journal, carefully placed into the inside pocket of his jacket. He was about reach for it but Mabel elbowed him and pointed to the woods, telling him to keep driving.

"Where are we going" he asked, wondering if Mabel had an intention of actually heading somewhere when she turned the cart.

"I think we're going to the Northwest mansion" she squinted, trying to see where they were going.

Without saying anything else, she got out her phone and started rapidly typing. Dipper leant over to see she was talking to Pacifica, warning her of the danger.

"We can't go in, she's grounded" Mabel frowned and looked up at the sky, barely visible by all the large trees "but its getting dark so her parents are probably asleep".

"does she know we're coming?"

Mabel nodded "I told her to sneak down and open the gates for us".

"She's going to get in so much trouble if she's caught" dipper hissed.

"We'll hide until the unicorn goes away" Mabel replied happily.

"And what about Stan?"

"What? Oh! We can just say we went monster hunting and didn't realise how late it was getting" she tapped her chin, thinking "or, if we have to stay all night, we can just say we slept over at Candy and Grenda's house".

"Yeah no, that wouldn't work for me" dipper frowned.

"Hmm, you want round Wendy's?"

Dipper blushed "no no" he turned away so his sister wouldn't make fun of him for blushing and focused on the unicorn, still following them.

"I ship you two" Mabel laughed "I was thinking of naming you two 'wendip', how does that sound?"

"That's awful, please stop talking" dipper replied dryly.

"That's an amazing name, I bet Wendy will appreciate it more" Mabel nudged him.

"Mabel no, you're not asking if that's a good ship name to Wendy" dipper felt his cheeks grow hot "if you do I'm making a ship name for you and pacifica".

That comment stopped Mabel from talking. She blushed lightly, frowning. It was as if she was confused as to why she was blushing and it made dipper smirk.

"Uh.. We're here" Mabel pointed at the open gates of the mansion, her cheeks still red.

Pacifica was waiting for them, lever in her hand, ready to shut the gate as soon as they drove in.

The unicorn stopped at the closed gates, angry. It tried to get in, its horn not doing any damage to neither gate nor wall.

Pacifica met them as they stepped out of the cart.

"You better not have run over any flowers" she said, looking around.

Dipper rolled his eyes and Mabel turned to face the wall, still red and confused.

I'm just gonna throw out my headcanons here because why not. I headcanon Mabel as Pansexual and Dipper and Pacifica as Bisexual. I also headcanon the pines twins to have brown eyes and freckles (because freckles are adorable) and that Mabel grows up to be short and Dipper tall :'D
That is all

(Edited)