Bill Cipher's daughter: A Dipper X Reader Fanfic

Chapter 7 - Bill Cipher

~3rd P.O.V~

"You think that combination's safe in your mind, Stanford? We'll see what my new minion has to say about that!" Gideon said."Triangulum, entangulum. Veneforis dominus mentium. Veneforis videntis omnium!"

~Mabel's P.O.V~

Soos and I were just outside the Mystery Shack. "Lick that elbow! Lick that elbow!" I chanted while Soos tried to lick his elbow. Then, I heard a familiar laugh, coming from nearby. "Is that who I think it is?" I asked.

We walked towards a clearing in the forest, finding Gideon doing something. "Egassem sdrawkcab! Egassem sdrawkcab! Egassem sdrawkcab!" Gideon chanted. The world around us suddenly turned into a gray scale and wild fire paused in mid-air. Then, the triangle guy that I saw in Dipper's journal appeared. What was his name? Bill Cipher right?

~Bill's P.O.V~

I was being summoned. I hurried to the location where the person who summoned me was. To make my appearance more dramatic, I made a maniacal laugh before showing myself.

"Oh, oh, Gravity Falls! It's good to be back! Name's Bill Cipher, and I take it that your some kind of living ventriloquist dummy?" I asked. "Just kidding! I know who you are Gideon!" "W-what are you?!? H-how did you know my name?!?" Gideon asked. "Oh, I know lots of things." I replied. "Hey look what I can do!" I turned towards a nearby dear and did a little hand motion, causing all the deer's teeth to fly to my hand."Deer teeth, For you kid!" I said, offering him some deer teeth.

Gideon gasped and dropped the teeth on the ground. "Your insane!" He shouted. "Sure I am, whats your point?" I asked, returning the teeth back to the deer's mouth.

"Listen to me, demon! I have a job for you! I want you to enter the mind of Stanford Pines and steal the code to his safe." Gideon said. "Wait...Stan Pines..." I said. "You know what, kid? You've convinced me! I'm sold! I'll help you with this and in return you can help me with something I've been working on! We'll work out the details later." "Deal!" Gideon affirmed.

I lighted my hand on fire and shook Gideon's hand. "Well, time to invade Stan's mind! Remember, Reality is an illusion, the universe is a hologram, buy gold, Bye!" I shouted as I left.

I went to the Mystery shack to find Stan.

~Your P.O.V~

I wonder what Dipper's doing. I thought. I turned invisible and floated to the living room. Dipper was sweeping the carpet and Stan was sleeping on the couch.

"Oh, im so sorry." I heard stan mumble. "I wonder whats going on in that guy's head." Dipper said as he walked away. Just as he turned his back, I went to the floor and turned visible again.

Suddenly, Mabel and Soos ran in. "Dipper, (Y/N)!" Mabel shouted. "We've gotta save Stan!"

"Wait what?" Dipper and I asked at the same time. "This evil triangle guy said he's gonna break into Stan's mind and steal the combination to his safe! Also we stopped for snacks on the way here." Soos said. He must be referring to Dad.

"Triangle guy?" Dipper said as he took out Journal 3. "I feel like I've seen something like this before in the journal... Beware Bill, the most powerful and dangerous creature I've ever encountered. 'DO NOT SUMMON AT ALL COSTS' Whatever you do, never let him enter your mind." Dipper quoted. Then, Stan started to grunt.

Stan's eyes started to glow brightly and he made lots of grunting noises. Mabel snatched the journal from Dipper and read aloud, "It is possible to follow the demon into a person's mind and prevent his chaos. One must simply recite this incantation."

"Get ready guys! Were about to journey to the most horrifying, disturbing place anyone has ever been: our uncle's mind. Who's in?" Dipper asked. "I am!" Mabel replied. "So am I, dood. Anything for Mr Pines." Soos said. "What about you, (Y/N)?" Dipper asked. "Umm... I don't know..." I replied. "Come on! It'll be FUN!" Mabel said. "I don't think so..." I said. "Will you do it for me?" Dipper asked. "Fine." I said. "But I'm doing this because you asked me to. Don't blame me if you find out something that might hurt you." I said, looking at the future when Dipper finds out that I'm Bill's daughter. Then I remembered. Demons cannot enter the mind by following another demon. It wouldn't work!

Dipper, Mabel and Soos placed their hands on Stan's head. I followed. "Videntus omnium. Magister mentium. Magnesium ad hominem. Magnum opus. Habeas corpus. Inceptus Nolanus overratus. Magister mentium. Magister mentium. Magister mentium!" Dipper chanted. His eyes started to glow. Then Soos's and Mabel's eyes started to too. All the candles went out and there was a blue explosion. Suddenly, all of them fell to the ground. I looked into Stan's mind to see if they made it.

"hey, wheres (Y/N)?" Dipper asked. "Woah, is this Stan's mind?" Mabel asked. "I figured there would be more hot old ladies." Soos said. "Remember guys, we've got to look for that triangle guy." Mabel said. Then, Bill appeared and said, "Yeah, look out for the triangle guy." "It's Him!" Soos exclaimed in shock. "Leave our uncle's brain alone you Isosceles monster!" Mabel shouted as she ran into Bill. I know dad is a demon, but he's no monster! A few seconds later, Mabel flew out of Bill and shouted, "Gotcha! wait what?"

I stopped looking into Stan's mind and finally entered it. "Ah, Stan's family, we meet at last! Question mark, Shooting Star and Pine Tree. I had a hunch I might bump into you." Dad said as he shot a hole in Dipper's chest. I watched quietly from behind, trying not to let dad see me. I gasped when I saw him shoot the hole in Dipper's chest. "Boop!" Mabel said as she stuck her hand through the hole. "What do you want with out uncle's mind anyway?!?" Dipper asked. "Oh, just the code to the old man's safe! Inside the shack is a maze of a thousand doors representing your uncle's memories. Behind one of them is a memory of him inputting the code! I just need to find it and Gideon will pay me handsomely." Bill replied. "Not if we stop you!" Mabel shouted. "Ha ,Fat chance! Im the master of the mind. I even know what your thinking right now." Bill said. "That's impossible, no one can guess what I'm thinking!" Mabel said. Bill then brought Xylar and Craz to life.

"Whoa, where are we, bro?" Xyler asked. "We must be in heaven, cus i just saw an angel." Craz replied, pointing to Mabel. "Im never letting go of your leg!" Mabel said, hugging Craz's leg. I let out a small laugh. "Your out of your league kids. turn around before you see something you might regret." Bill said.

I think I have laughed a little too loud. "Oh and who do we have here, hiding behind the tree?" Bill asked. He made a hand motion to pull me out from behind. I resisted. But it didn't work for long. I was pulled out. "Illuminati!?!" Dad said. "What are you doing here?"
"Illuminati?!?" Dipper, Mabel and Soos said in shock.