I woke up due to the sound of something shattering, but the weird thing is, I don't remember sleeping in the first place. I look around to see... Nothing, a complete void filled with darkness and a bitter smell of dust

Y/n: Where the hell am I?

???: Greetings, Y/n

A dark figure said out loud, I couldn't see where it was coming from, but I could tell it was a male voice

???: Interesting, you can not see me, can you?

Y/n: It's so fucking dark, I can't even see my hands

The room started to get a little brighter, I began to see myself and a little bit of the room, not much though, but sure looked like... The ruins?

???: There you go, can you see me now?

I look around for the voice's owner, and my eyes laid on a black figure that looked like a skeleton with cracks in his face, looking directly at my soul

Y/n: Just who the heck are you?

???: I am the long lost fallen scientist

I look at him from head to toe skeptical

Y/n: Scientist?, huh? From all I could tell, you could be Sans' lost brother, or something like that

???: I do not understand you, Y/n

Y/n: I should be the one telling you that, it's been five minutes, and I don't even know who the fuck are you! I don't even know how I'm here in the first place, I was in Alphys's lab for God's sake! WHO ARE YOU!

???: How polite, you see, I don't understand you, because, you started sparing everyone, then, after Asgore died, you started killing everyone, but you stopped at Sans, so you didn't finish that run. Now you're just making friends with everyone you meet in your path, what's wrong with you? Why can't you do just one thing?

He looks a little lost about this, he doesn't understand anything else

Y/n: Just, answer me, then I can tell you. What's your name? And how do you know mine?

He now looks a little annoyed and sighs audibly

Gaster: My name is Gaster... As for how I know yours, well, I've been following you since your first journey, I can see everything

Y/n: Thanks, now, answering your questions, First, I got bored, so I killed everyone. Then I... Wait... Wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait wait... DID YOU SAID GASTER???

He looks at me dumbfounded

Gaster: Yes...?

Y/n: HOLY COW! Wait! How can you be Gaster? Weren't you... Like... Dead? How can I be talking to you?

Gaster is still dumbfounded, but now, a little annoyed and sad

Gaster: When you fell, your determination was so strong that it shook the walls of the void creating a passage for me to connect to you

Y/n: What about your soul?

Gaster: What's about it?

Y/n: I thought that monster's souls shatter after the monster perished

Gaster: When you are scattered throughout all time and space, you have no soul to shatter

Y/n: Oh no...

Gaster: I'm stuck here forever. At first, I thought it would be interesting, then you've killed everyone, I thought that was your real objective, so I started studying your actions across dimensions, you're lucky, there are not many timelines where YOU fell, so, since I left, you where unable to save, I could see all of your codes, you were determined to kill, so I thought you didn't need anymore saving.

I then noticed something, my last save was before Sans's fight If I die... I'm fucked...

Y/n: Why...?

Gaster grows a little angry but stops

Gaster: I can't you, I thought that you were going to kill them all, at the end I Would try to stop you and take your soul so I Could try and fix things, instead, you dropped out, now I have to think of another plan

He turns his back to you and a lot of hands appear writing some symbols in the air

Y/n: You don't know what to do then? Oh well, what can I do?

Gaster: I'm afraid there's not much you can do, Y/n, without enough determination, it'll be impossible for me to come back and finish my work

Y/n: Tell me what happened, everything

Gaster: I was a scientist, created all sort of things, Core included, tried to create a determination extractor to try and save everyone, or even change course of monsters life, but it did not end well.

Y/n: I see... Well, I'll try to help you!

Gaster: Very well, but for now, you need to help someone else.

I see Chara fighting herself almost crying looking for something

Y/n: Okay then, just stop stalking me, but, what should I do now?

Gaster: I won't promise, and, do you know the real reason she fell?

Y/n: got it...

A white light engulfed me and I then wake up and look directly at Chara

Chara: Finally you're awake! You scared the hell out of me!

She hugs me while crying a little but then lets go

Y/n: Chara, why did you fell down and why your village?

The same song from that music box starts playing, and you hear a child speaking "It sounds like it came from over here... Oh! You've fallen down, haven't you...? Are you okay? Here, get up... Chara, huh? That's a nice name. My name is A..."

Chara: It wasn't a very happy motive, you know?

Y/n: Yeah... That's why you wanted to kill them? Because of what they've done to you?

She nods slowly

Y/n: I see... Well, I don't think that the monsters have anything to do with that, so we shouldn't take out our hate in them, can we?

Chara: No... But we can in Asriel, can't we?

Y/n: I thought he died too

Chara: He did

Now I'm the one who looks dumbfounded

Y/n: How will you get revenge, if he's already dead? And, besides, it ain't worth it, you see the things we did before, it only caused despair

Chara: What should I do? He got all angry and...

Y/n: Be better than him, don't compare yourself with him, just be better, 'kay, revenge is a fool's game, don't fall for that stupidity, it ain't worth it, lets just live our lives and forget, not that I can say as much, but... Yeah

Chara: Are you really a human? You sound so different from the one's I've met, you sure you're not a monster in disguise?

Y/n: You've been "stalking" me since I fell. I'm I monster in disguise?

Chara: You're not... I never thought humans could be kind...

Y/n: I never thought I'd meet monsters under a mountain, and, what are you talking about? I've been being nice to you for the last, I don't know, 5 days?

Chara: Guess you're right

Y/n: I know I am! So... Let's keep going, shall we?

I stand my hand for her to shake

Chara: Alright

She slaps my hand and hugs me for a couple of minutes before laying on the ground looking to the ceiling and I do the same

Chara: So... What do we do now?

Y/n: I guess we can rest for a moment

Chara: Yeah, it'd be nice for now

Y/n: Okay

Chara: So, you know how many times you died before?

Y/n: More then 10?

Chara: Undyne alone killed you 25 times on a row

Y/n: So it was more then 10

Chara: Well, you're not wrong

Y/n: Maybe I am, is 25 more then 10?

She giggles a little

Chara: Y/n...

Y/n: Yeah?

Chara: Thank you... And... I'm sorry...

Y/n: For what?

Chara: Thank you to let me understand all of this... Understand you, and understand me

Y/n: Anytime. Don't worry

Chara: And sorry... But I need you... I need your determination to keep living...

Y/n: My determination?

Chara: Yes... Your determination was strong enough to wake me up, and that's the REAL reason I wanted to take your soul... I'm not strong enough anymore... You are the one that is keeping me "alive". But I don't know if you have enough determination to keep going on like this.

My soul glows stronger now, and behind Chara, I see a weaker soul, just like mine, but darker and smaller.

Seeing that Chara also needs help fills you with DETERMINATION

Y/n: I promise you, I WILL help you

I then hug her as strong as I can, and suddenly right next to us is the first save point, but this time it isn't yellow, but a very strong (S/F/C). I reach my hand to touch it, and Chara does the same, and then everything fades to white while I feel Chara still hugging me.

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A/n: I FORGOT TO UPDATE LAST NIGHT! I'm SORRYYYYYYYYYYYY!!!!!!!!!!!!!!!!!!!!!!!!! I KNEW IT WASN'T A GOOD IDEA TO PLAY GAMES UNTIL 5 AM