You and Fionna were Now in some Mountains, Looking for A Dungeon because After Helping Flame Princess get back the throne, you Began questioning Bonnie's Intentions, So Fionna takes you here to go On A Dungeon Hunt!

Y/n: So why are we here again?

Fionna: Because we're here To Get you in A Dungeon Boy! You need to take your mind off of this Bubblegum stuff!

Y/n: I Know, but I feel like something is seriously off... Do you know anything wrong with her? Like some bad stuff, she's done

Fionna: Hey she's A Good person, She wouldn't do anything like that (Thought) Okay don't Be A Chicken, Do what Jake says, Do it!

Flashback!

Fionna: Jake I don't know how to confess to him? He's all Bonnie this, and Bonnie that, I know they used to date but that was A At least 800 Years ago, and You're A Married man, what would you do?

Jake: Hmmm, Well as the Older Brother I am, I know exactly what to say in this situation

Fionna: What is it, Bro?

Jake: As Lady Rainacorn always said "작은 모험에 참여하고 마음을 얻으십시오."

Fionna: And what does that mean?

Jake: It means "Try to take them on A tiny adventure and Win their hearts" He's A Like A Man Who Loves A Good adventure so take him to A Cave, or A Dungeon, and have some fun, and maybe he would love you A Little bit more

Fionna: Thanks Jake I have no idea how I'll ever get by without you

Flashback End!

Y/n: So why are we here again?

Fionna: Well to be honest There's gotta be A Secret Tunnel somewhere, and we just gotta find it!

Y/n: Okay cool, wake me up when your finished

You then sat on A Rock and An underground tunnel Just Opened Opened up on the Mountian Side.

Fionna: Y/n You Handsome Man who Is currently living In My Tree Fort!

Y/n: It is what I do.

The both of you then walked inside, And Fionna Grabbed A Torch as the two of you continued walking down the Long flight of Stairs, and Fionna was giving you Pointers but you stopped her!

Y/n: Look I explored A Lot of dungeons in my day, there is no need to worry about me

Fionna: Right

The two of you then made it to the 1st Level, and you smiled Planting your feet firmly in the ground, and without shoes!

Fionna: What are you doing?

Y/n: Seismic Sense. Learned it from one of the greatest Masters of all Time... The Blind Bandit has taught me so much. Hmm... I sense Three Entities moving towards us from North, Northeast, and Northwest of our Position, I shall take them out. St. Elmo's Fire!!

You then Blew up what seemed to be 3 goop-filled Skelton Monsters, and Fionna was in amazement as you offered your hand to the bewildered girl!

Y/n: You wanna continue?

Fionna: Y-Yeah...

So the two of you continued Traveling across the Dungeon when the two of you encountered something Huge!

Fionna: Y/n, Wait!

Y/n: What is it?

Fionna: There's A Giant Skeleton Guarding something!

And right there was A Giant Skeleton with  Sword and Shield guarding something!

Y/n: So? it doesn't look like it's Guarding anything

Fionna: Yeah, but what it's guarding could be A Big secret Like Gold or Jewels, or A Sweet Flame sword!

Y/n: Now you have me Hooked? Now how shall we attack this thing?

Fionna: I distract it, and you Attack. Okay?

Y/n: Right

Fionna: Now... CHARGE!

Fionna then charged at The Skeleton Monster, as you Began firing Energy Blasts at the Giant Skeleton Monster!

Y/n: HAHAHAHAHAHA!

But when you were finished firing you had realized it was nothing more than A Hologram!

Fionna: Woah, it's A Hologram?

Y/n: Well it sure was realistic

Fionna: Look, it was Guarding A Door, but we need A Key!

Y/n: Why do we need A Key, When we have the ever Useful Bobby Pin!

You then Pulled out A Bobby Pin, and Began using it to slowly Pick the Lock, and then soon you had Unlocked causing it to Open!

Y/n: Aaaand, It's Done!

The two of you then Began walking through the door, and Past the Hologram, when you noticed A Bunch of Webbing!

Y/n: Webbing. Lots of Webbing. Do you know what this means?

Fionna: A Giant spider?

Y/n: Oh A Massive colony of Tiny Spiders, that's A Possibility too, Just be Careful

The two of you continued to walk inside, the Dungeon when Fionna tripped on some webbing, which alerted The Giant spider to appear, but you were already prepared for this!

Y/n: Ice Time Capsule!!

You then Froze the Giant spider in A Time capsule, and you then punched it shattering it and the spider!

Fionna: Wow

Y/n: let's Just keep Moving

The two of you continued walking through the dungeon when you both encountered A Large Stone room, with A Large iron Box in the Middle!

Y/n: Alright then, I'll go in, You Just stay here

Fionna: Right

You then Began walking inside and soon you made it to the Box where you Slowly Opened it, but suddenly A Large Skelton with A Birds Body and A Human skull Jumped out and Begins screaming!

Skeleton: GIVE ME YOUR SKIN!!!

Y/N: AAAAAAAAAAAAH!! FIRE GUN FIRE GUN FIRE GUN!!!

You then quickly incinerated the Skeleton and the entire Iron Box, and Fionna ran over!

Fionna: Dude, what the heck was that? We were supposed to interrogate it first

Y/n: Sorry, I was Just scared Shitless, At least I think I found Another door, with my Seismic Sense

Fionna: Really?

Y/n: Yeah, It's Behind that Boulder

The two of you then walked over to The Boulder, Moving it out of the way, to reveal A Door!

Y/n: Wait, Fionna let me go first

Fionna: Why?

Y/n: I can sense Hundreds of things behind that door

Fionna: Well go ahead big Guy

Y/n: Okay. RED HAWK RASENSHIRUKEN KAMEHAMEHAAAAAAAAAAAA!!!

You then Blasted the doors down destroying hundreds of slime skeletons but Hundreds of more Began Pouring out and you Began unleashing your entire moves on them!

Y/n:

https://youtu.be/8FJTK_iNA5s

You Began Lighting the entire Room on fire with energy blasts, and fire attacks, as Fionna watched in A Mix of shock and Fear, and you soon wiped out all life in there, as the entire Place was coated in Soot and Fire!

Timeskip!

You and Fionna were now walking home with a Large Bag of Gold, and you were pretty Apologetic!

Y/n: Fionna I am so sorry that I went completely nuts there, I shouldn't have nearly Destroyed all of the Gold, or Destroy the entire Dungeon, or even Nearly Destroy you... I am so sorry I went Nuts and I Nearly

Fionna: Okay you need to shut up right now, you're starting to sound like Those Romcoms Me and Jake make fun of

Y/n: But-

Fionna: But Nothing, that was awesome!

Y/n: You really think so?

Fionna: Yeah, I don't Mind A Little danger, I am an adventurer after all, and You made this Job Super easy! You're Awesome!

Y/n: Thanks, You know If I can ever take you back to my world, we may have a few dungeons, and You can meet other Humans, You know?

Fionna: Oh Cool! (Blushing) Uh, Y/n...

Y/n: Yeah?

Fionna then Kissed you on the cheek before running off!

Fionna: Catch me if you can Y/n!

Y/n: Alright, Then You're On!

You then Both ran down the Mountian and back down to the Tree fort, Happy with your adventure!