Comet (Young Male Reader X Mabel Pines)

The Last Mabelcorn

Episode opens with the Mystery Shack at night. Cut to Dipper Pines sleeping, Y/n, who was shaking in his bed, then Mabel Pines, who is sleeping with her a stuffed unicorn on top of her. She squeezes it. Recording of Princess Lovacorn says, "Buy my 42 accessories!"

Cut to Ford Pines sleeping on the couch. Cut to Ford's dream, where he appears in a field of wheat with a ruined swingset, universe portal, and the Stanowar around him. Ford looks around as the wheat is flattened around him into the image of Bill Cipher, glowing blue. Ford hears Bill's maniacal laughter. "I know that laugh... Show yourself!"

Ford turns around as Bill Cipher materializes from the ground, floating in the air. "Well, well, well, well, well, well, well, well, well, well, well! (Cuts to multiple copies of Bill materializing as he talks, forming a ring around Ford. But they all turn into a version of Y/n) Aren't you a sight for sore eye! (All of the Bills and Y/ns mirror each other's movements) Stanford Filbrick Pines, my old pal!"

Ford glared, "Bill Cipher. What do you want from me?"

"Oh, quit playing dumb, IQ!" Another Bill talks, "You knew I'd be back! You even shot Y/n in order to try and kill me, but news flash! That's not how this is gonna go down! EVER! (Comet that's talking flicks Ford's nose) You think shutting down that portal could stop what I have planned? (All the Bills and Y/n(s) merge into one giant Bill that floats over Ford) I've been making deals, chatting with old friends, preparing for the big day! You can't keep that rift safe forever. (Snaps his fingers and a copy of the dimensional rift appears in his hand) You'll slip up, and when you do...!"

He throws the rift onto the ground, where it creates a massive portal in the shape of an upside-down triangle, burning the wheat field around Ford, "Get out of here! You have no dominion in our world!"

"Maybe not right now, but things change, Stanford Pines!" Ford is reflected in Bill's eye as Bill ascends up into the portal, "Things... (Monster voice:) change."

Bill laughs as he flies away, leaving Ford in the middle of the burning wheat field in the ring of fire. Several images flash by at once, one of Ford's hand, one of Ford's eye, and another of what looks like an extended version of the Zodiac. Ford wakes up in his bed, panting. He adjusts his glasses. "I have to warn them! (Looks at his hand) He's coming."
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Cut to a shot of the exterior of the Mystery Shack in the daytime. Cut to Dipper opening a closet door, Mabel rubbing her hands excitedly, and Y/n looking tired and drinking hot cocoa. The two look at the closet, which contains some stray items and board games. Dipper looks around the closet, "Alright, Grunkle Stan's gotta have some decent board games."

Mabel looks through the games, "Let's see, 'Battlechutes & Ladderships...'"

"'Necronomiconopoly,' 'Don't Wake Stalin'... are these all rip offs?" Y/n held some of the games.

Dipper picks up a game, "Hey, what's this? 'What Could Go Wrong?: The Board Game. The last players who opened this box never made it out alive.'"

Mabel after a short pause, "Well, I know what we're doing today!"

Y/n twitched and his pupils turned yellow for a flash, "I see nothing wrong with his decision."

Dipper adds, "This should take up the next 21 minutes."

Ford shouts off-screen, "Family meeting! Family meeting!"

Y/n, Dipper and Mabel react to Ford's demand. Cut to Stan Pines and another man, presumably named Santiago, standing in front of a truck outside the Mystery Shack. Stan is holding a wooden barrel of pugs. "Alright, Santiago. You have 24 hours to get these pugs across the U.S. border."