The sky above the Mystery Shack began to split. A large crack formed in the blue sky. The giant crack split open. In between the two fracture points was strange darkness. Simple perfect shapes of singular colors drifted in and out of view.

The ground beneath the hole in the sky began to shake. Pillars of flame burst from the earth and trees began to catch fire. The flames suddenly died down leaving a new large clearing in front of the Mystery Shack.

A white marble platform rose from the ground and took up a large portion of the newly formed land. On the platform, three triangles were etched into the center.

From the hole in the sky, three triangles flew down and landed on the carvings on the marble platform.

The triangles each glowed a different color and their eyes opened in unison. One was bright red, another was dark blue, and the third was pure white. Each of the triangles had their own sets of black, lanky, limbs.

The white triangle laughed. "Finally. It's time to have some fun, this dimension surely isn't prepared for the power of the Cipher Family."

Theme Song

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Ford crouched off to the side of an open door within the Mystery Shack. He peeked around the corner to observe the Ciphers. "Three of them... just as we expected."

Archer stood on the other side of the door, readying his bow. "Alright, Ford. What's the plan?"

Ford clutched the weapon in his hand. "We have to keep them all in one place if we have any hope at taking them out. But I can only take out one at a time and I'm sure they won't just forget a giant laser obliterating one of them."

"Well, I'll distract them then. How long is recharge time?" Archer asked.

"30 seconds," Ford answered. "How are you going to handle two Ciphers though?"

Archer grinned. "Watch this." Archer began fiddling with his time travel device.

"Alright, on my signal go and distract the remaining two," Ford said, he aimed his weapon and pulled the trigger. "NOW!" The Quantum Destrablizer began to charge and fired a massive laser at the red triangle.

The Cipher screamed out before disintegrating.

"NO! DANA!" The white triangle cried. His eye began to glow and the earth began to shake. Suddenly arrows flew into him from all directions. Numerous Archers ran out of the woods.

Ford glanced over at Archer and raised an eyebrow. Archer smirked. "I have access to time travel, which means infinite time, and infinite copies of myself to distract them while you recharge," Archer explained.

The two Ciphers tried to regroup during the arrow barrage but every time they seemed ready to attack even more Archers came and stunned them with barrages of arrows.

Ford checked the status of his weapon and found it ready to fire again. He took aim but before he could launch his second attack he was shoved to the ground. A figure picked up the Quantum Destablizier and threw it out into the open.

The two Ciphers finally managed to get out of the barrage and prepared an attack. The Archers panicked and each vanished by traveling away through time.

The figure vanished as well and the remaining Ciphers regrouped. "What just happened?" Ford asked.

Archer was gripping his bow tightly. "I don't know. Something just appeared and attacked you."

Ford looked at the gun and began to form a plan. "I need to get that weapon." He slowly crawled through the doorway and towards the destabilizer.

"Great Uncle Ford!" Dipper shouted, running up to the Mystery Shack with Mabel, Wendy, Soos, and Stan behind him.

Dipper came to a stop when he noticed the two triangles in between him and the Mystery Shack.

Both Ciphers looked at him and then turned around to see Ford. Their singular eyes narrowed and Ford, Dipper, Mabel, Stan, Soos, and Wendy were lifted into the air and brought to the giant stone slab.

"Well. WELL. WELL!" The blue triangle said. "If it isn't the Pines family and their lackeys we've heard so much about."

"What are you guys? Bill Clones?" Mabel asked as she thrashed to try and break free from their hold.

The blue triangle's eye narrowed. "How dare you speak his name!"

The white triangle began to laugh maniacally. "Allow us to introduce ourselves. This is Lou Cipher, my son. And the brother of that traitor Bill. I am Dean Cipher. Father of the Ciphers, and your worst nightmare."

"Bill had a family?" Soos asked.

Dean seemed to smile with his eye. "Oh, he never told you all about us. Well, how about I tell the story. With a little torture of course." Dean snapped his fingers and nothing had noticeably changed.

Suddenly everyone began to wince. "You monster!" Stan shouted. "Wet socks? This is too far!"

"You'll pay for this, Ciphers!" Ford vowed.

Lou waved his hand and the group was silenced.

"Now now, save your questions for after the story," Dean told them. "Once upon a time we four Ciphers lived together in the realm seen above you. We ruled it with our immense power, but Bill wanted more. He wanted to control weaker realms. I refused to allow it and one day that little twit betrayed us, sealing us away. But with his destruction, we were freed and able to come here. And now... we can succeed where that fool failed. Any questions?"

The groups' ability to speak was returned and Ford was the first to talk. "But how on Earth did you even get out of the Mindscape?"

Lou shrugged. "It was pretty easy. The barriers are super weak in this realm for some reason."

"Now then," Dean said. "Let's get to the fun part." He began to charge a massive fireball in his hand.

"Oh really?" Ford asked smugly. "Destroy us and you'll never leave this town. That's why Bill failed after all. I'm the only one who can disable the Weirdness Barrier surrounding Gravity Falls."

Dean clenched his fist. "Lou. Go check if he's bluffing." Lou vanished for a moment before returning.

Lou sighed. "He's telling the truth dad. I can't leave this place, there's some barrier around it. It has Axolotl's doing written all over it."

"Of course it does. Well, Ford, you'll find my torture methods to be quite effective." Dean cracked his knuckles. Suddenly he and Lou were shot in the eye with arrows and everybody was dropped from their hold. Archer ran up to the group and tossed the destabilizer to Ford.

Wendy and Soos ran off into the woods while the Pines family tried to run to the Mystery Shack. Walls began to rise around them high into the air, blocking their escape and creating a giant maze.

"Darn it!" Stan said, trying to punch down the wall and failing.

Mabel looked up at the sky. "What do we do now?"

Dipper was already following the path that led back to the giant stone platform. "We have to find great uncle Ford. If anybody knows what to do, it's him."

Stan and Mabel hurried after him and the three of them journeyed into the dark labyrinth before them.

Dean and Lou floated above the newly formed maze to regroup. "Two of those stupid flesh bags got away. The rest should be in there." Lou said.

Dean put his hands together. "Go track down the missing ones and bring them back here. I'm going to have fun with these ones." Lou nodded and vanished.

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Dipper, Mabel, and Stan had traveled a decent way into the labyrinth when they came across a dead end.

"What? But this is the only path left!" Mabel said.

"Maybe there's one we missed?" Stan suggested.

Dipper inspected the wall and rubbed his chin. "Hang on, I think this is the right way. We just have to open it up." He knocked on the wall obstructing their path and then on the two adjacent walls. The first wall made a different sound than the adjacent walls. "We just have to break it down."

Stan cracked his knuckles. "Alright! Punching stuff! That's something I can get behind!" He slammed his fist into the wall only to pull it away wincing. "Agh! That thing is unbreakable."

Dipper shook his head. "Let me try." He wound up his arm and slammed his mechanical fist into the wall. The wall began to crack and exploded into pieces. Revealing the path.

Stan trailed behind Dipper, rubbing his knuckles and his mouth agape.

Ford and Archer woke up in the center of the giant maze. They took in their surroundings and tried to form a plan of action.

"Those Ciphers could be anywhere. We have to be alert." Archer said.

Ford nodded. "I only hope they don't have the kids of Stan. That'll make things... difficult to say the least."

Suddenly Dean Cipher appeared before them. "Hello, Mr. Ford! I don't believe we've formally met. Though if I'm correct you were good friends with my son, Bill."

Ford tried to fire his weapon at Dean only to find it not in his hands anymore. Dean laughed and held the destabilizer up. "Looking for this? I figure a flesh bag like you can't be trusted with a weapon that can destroy Ciphers like my dearly beloved."

Archer knocked an arrow on his bow but he was thrown back by an invisible force.

"I would try talking instead of fighting if I was you," Dean warned. A table and chairs rose out of the dirt and Ford was transported into one of the seats. "Let's negotiate."

Wendy and Soos stopped running once they were deep into the woods. The two took a moment to catch their breath.

"Holy crap!" Wendy said. "What just happened?"

"I-I think those guys were Bill's family," Soos said.

Wendy deadpanned at him. "No really? We have to get help-no we need to go back there and help the Pines right now!" Wendy took out her axe.

Soos put his hands up. "I don't think we should do that Wendy. Those Cipher guys are crazy strong."

"Then what do we do?" Wendy shouted.

"I don't know! I'm worried too but what good will it do for us to get caught too?" Soos argued.

Wendy threw her arms up. "We need to at least try! They're our friends!"

"Let's try and come up with a plan then," Soos said.

They were about to start planning when Lou appeared in front of them and laughed. "Hello, stupid humans! Prepare to die!" His eye began to glow and Wendy threw her axe into it. The two of them ran off further into the woods as Lou cried out in pain.

Lou teleported in front of them and reached out to grab them. The two turned around and continued running. "We can't damage this guy! He's too strong!" Wendy said.

"He has to have a weakness! Didn't they say they came from some shape realm?" Soos recalled.

Wendy nodded. "Sure, but what good does that do for us?" She asked, jumping over a large log.

"Well... what if we tried messing with his shape. It might stun him at least." Soos proposed.

"What do you mean?" Wendy looked at him with a puzzled expression.

Soos grinned. "We make this convex shape concave."

Dipper, Mabel, and Stan came upon another dead end after another decent bout of traveling.

"How big could this maze be?" Stan wondered

Dipper inspected their surroundings. "I'm not sure what we're supposed to do here. I don't think these walls will break."

"We must've missed a path," Stan concluded.

"Hang on," Mabel said, looking up. "I think I see an opening up there." Surely enough there was a doorway in the wall above them.

"Huh," Stan said. "Guess we have to climb up there," Stan said.

"Great uncle Stan, wait," Mabel said but her uncle ignored him. Stan tried to climb the wall but struggled to get a foothold. He ended up falling to the ground very quickly. Stan stood up and looked back at the twins.

"Well, now what?" He asked.

Mabel sighed and took out her grappling hook and shot it into the top of the doorway. The hook caught and she shot up to the doorway. She tossed the device down and Dipper caught it and did the same. They tossed it down to Stan and he begrudgingly used the hook to get up to the doorway.

"Gruncle Stan," Mabel said. "Why won't you trust us?"

Stan looked off to the side. "Of course I trust you guys! Why wouldn't I?"

"Well," Dipper said. "You don't seem to listen to us when we have an idea."

Stan bit his lip and sighed. "Look, kids. It's not that I don't trust you. But you're just that. Kids. I was a kid once and I made some really stupid decisions and had some really stupid ideas. I just don't want you or anybody else getting hurt."

Dipper and Mabel crossed their arms. "You think we can't make decisions? We've been through a lot gruncle Stan. We might be kids but we still know what we're doing." Dipper said. He and Mabel turned around and followed the path.

Lou was searching the woods for Soos and Wendy. "Come out come out! I'm going to find you!"

As he floated past a cluster of trees Wendy and Soos both jumped down from the branches and hit Lou in the head with large branches. His head caved in and his shape began to flicker and morph.

"AGH!" Lou shouted, unable to focus on anything. Wendy and Soos high-fived and got ready to run off when they saw Gremoblicorn appear. He seemed to be firing magic at Lou until Lou began to disintegrate. Once Gremoblicorn stopped all that was left was a blue orb.

Gremoblicorn grinned and picked up the orb. "Well well. Who would've thought we'd luck out and find another Cipher." He said and vanished just as quickly as he had appeared.

"There's a lot to unpack there but we have to go help the Pines!" Wendy said and she and Soos ran back towards the Mystery Shack.

Dipper and Mabel came to a stop once they finally reached the center of the maze where Dean was trying to get Ford to give him the equation needed to destroy the barrier.

Stan wasn't paying attention and bumped into them and Mabel stumbled and fell on the ground. The sound caught Dean's attention and he turned around, grabbing the Pines and holding them up.

"Alright, Ford. Now things can get interesting, our guests are here!" Dean said.

Ford clenched his fists. "Urgh! You win Dean. Don't hurt them and you'll get what you want."

Dean laughed. "Oh, joy! I won't squash these bugs and you'll tell me the equation. It's as simple as that."

"Don't do it F-" Stan tried to say before he was silenced by Dean. Dean pushed a piece of paper and a pen over to Ford and he picked up the pen.

Archer ran in to try to intervene before being grabbed by Dean as well. Ford finished writing down the paper and Dean seemed to grin with glee despite not having a mouth.

"Wonderful! Thank you for your cooperation, Ford!" Dean scooped up the paper. "Now before I go, I have some blood to spill!"

Ford tried to speak but found he couldn't meanwhile Dean raised a giant boulder over Stan. "You see Ford, I don't make real deals. I'm not like my traitor son. You have no more use to me, so I'm getting rid of you."

Suddenly the wall burst open and a golf cart flew through the air towards them. Wendy and Soos drove the cart straight into the Cipher's head to try and disrupt his shape.

The Pines were dropped and scrambled together. Soos and Wendy leaped off of the golf cart to rejoin them. Unfortunately, Dean didn't seem to be damaged by the attack and the ground began to explode into fire.

"Oh no! What do we do?" Soos asked, a giant pillar of flames barely missing him.

"I have an idea!" Dipper said. "Mabel and I need to get close to him!"

"No! It's too dangerous!" Ford shouted.

Stan put his hand on Ford's shoulder. "Trust them. Go on kids. Do what you have to."

Ford wanted to protest but Dipper and Mabel were already running. "Mabel, take out your grappling hook! We need to get close and grab the Quantum Destabilizer!" Dipper told her. Mabel took out the tool and they ran close to the enraged Cipher.

"Hey, pointy head! Over here!" Dipper shouted.

Dean shouted into the air and lunged at Dipper. Mabel ran to the side and fired her grappling hook at the destabilizer, which was a few feet behind Dean. The gun was pulled forward and hit Dean in the back of the head.

Dipper grabbed the weapon, took aim, and fired it at Dean Cipher. The triangle was engulfed in the blast and destroyed. The giant maze and sky portal vanished. And it was over.

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End Credits

Gremoblicorn presented the orb before Eyegnome and grinned. "With this... we can continue our plans. And before much longer I'll be able to destroy everything."

Eyegnome laughed maniacally. "Perfect. Soon we'll reveal the true Freak in these Falls to everyone!" Time Zombie appeared next to him and handed him the equation to destroying the weirdness dome, which only increased Eyegnome's maniacal laughter.