This is a rewritten story of mine, I have changed the story to a X reader as well.
I am a half breed. I am half human and half monster. I believed no one would ever love me like normal people would for each other. That was until I met this one skele...
I felt a warm breeze that I was surprised actually made me shiver with coldness. I tried to roll over but then realized that I was laying on something that wasn't my bed. I shot my eyes open to see the field of grass again. I instantly scrambled up and looked around for the thing. I started to speed walk in a direction in hopes of finding someway out of here. I even tried to imagine a weapon or armour for myself but nothing happen. Soon I saw a figure up ahead and as I came closer the figure split into all different one. It wasn't until I was a few steps from them that I realized they were my friends just standing in a half circle staring into the middle. The fist figure in front of me was sans. I tried to touch his shoulder in curiosity and suddenly he turned into ash or something and when his figure was gone I noticed the demon standing there with its knife positioned at where sans chest was as it grinned evilly. It was then that I remember it saying about his dust on its knife and remembered about my father telling me that it was how a monster dies. I felt anger flare up inside of me. I would have stepped away as it sliced the others while standing at the same spot and swinging the knife with a red wave coming from it.
It turned back to me and laughed a shrill laugh, "ohh, (y/n). I control this dream. This Frisk got sooo boring to play with and sans has his 'friend' but you are another story. He may try to help but I want to play. And play I will. I will make sure that I destroy all your friends and turn them to dust. And there was no point in trying with the betraying 'flower' after he got his 'body' back. I will make sure he suffers too." That hit a cord.
I felt my anger reach a whole new rise. I was shaking with the amount of hate I was generating. Mum always said that 'hate' was a strong word so this describes how much I dislike her. I could stop my next words but I didn't want to, "WHY DON'T YOU JUST LEAVE US ALONE. NO ONE WILL DIE. WE WILL SURVIVE AND YOU WON'T HARM ANY OF US." Then I took a breath to calm myself down before continuing, "We won't go down. And I will stay with sans. No tricks of yours will ever stop that. That's why you tried killing him this time isn't it? Since your last trick didn't work. Well, I will be happy with him and there is nothing you can do about it. We will fight to our last breath." This made it furious. Suddenly as the thing clenched its hands the world around started to shake yet I didn't feel any below me. Suddenly the world started to fall away to reveal a new landscape. There was lava everywhere and we were both standing on pillars of rock.
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My confidence knew no bound at this moment as this didn't seem to faze me one bit. But then the demon stopped shaking and started to smile then went out on laughing its head of, "oh. You think you will live happy with your skeleboy huh? Well, I don't know how that will work with him keeping secrets from you. Like a certain form of his. He knows all about yours yet he doesn't tell you his. How fitting. It doesn't seem fair to me, now does it?" this confused me but I would dwell on it later.
My confidence grew, "oh. You know all about being fair don't you? Using trick and fear to make others weaker because you are afraid. Soo fair of you. I trust sans more than anything. He has my very soul. To tell you the truth, I don't car if he never tells me. That trick won't work on me." this made the more furious than before.
The lava bubbled and gurgled as the things rage grew. "WHAT DO YOU KNOW? NOTHING. YOU ARE NOTHING BUT A TINY BUG THAT I WILL SCRAPE FROM MY SHOE. I WILL STEP ON THE STUPID GRINNING SKELETON FIRST THEN THAT STUPID IDIOT TALL BROTHER OF HIS. JUST YOU WAIT AND SEE." Suddenly the column I was standing started to crumble.
I decided to get my last word in before the nightmare ended, "WE WILL NEVER DIE!" and with the last word said the pillar of stone crumbed and for just a second I felt the burning pain of lava before I bolted up in my bed. All my confidence was gone now. I stated to cry as I shook. I then realized that sans was next to me and looked like he had been trying to shake me awake with his left eye blue and a worried expression. I grabbed hold of him before I gave him a death hug.
He held me gently as I shook and cried. He seemed to understand my distress. Soon I had calmed down. Just as I pulled back to still se his blue eye sockets the door slammed open and in a quick motion sans was hugging me again while turning his head away to hide his eye from Papyrus that had just come through the door. "HUMAN (Y/N) AND BROTHER. WHAT HAS HAPPENED? IS THERE ANYTHING I, THE GREAT PAPYRUS, CAN DO FOR YOU?" he whispered in his yelling voice, there is no other way to describe it.
I smile softly as he looked at sans confused with the situation. I spoke up for sans, "no there isn't Papyrus. I had another nightmare and sans want to comfort me. I'm sorry if I woke you up. I just wish for sans to stay with me and I feel if he leaves for a second I might break down. You can go back to bed. Sans has got this." I smile convincingly as Papyrus stared at me before nodding and closing the door softly. Sans leaned back and gave me the thank you smile. Then decided to explain my nightmare, "it was like last time in that field and it was trying to scare me with you and everyone that I have just gained as a friend turning to dust. It actually made me angry and when I started to yell at it, it stated to threaten me and tried to scare me with the scenery change from the grass area to lava. My confidence went up and it didn't scare me in the dream and this made the demon angry so it made me fall in the lava. Sorry, no useful information." I decided to leave the body form thing out. He will tell me when he is ready.
I seemed to take this and then nodded. Then looked at me with a slight blue around both of his white pupils. And I swear I saw a flash of blue electricity for a second, I didn't think too much as I am sure the nightmare is playing tricks on me, I am still shaken up. He started to get up and turned to leave but I grabbed his shirt, I wasn't lying about wanting sans to stay. I gave him the biggest puppy dog eyes, "please sans. Stay with me. I'm scared it might come back. Please." As tears started to fall I let go and looked at my lap. Suddenly the bed dips on the other side. I turn my head to see sans getting under the covers. I smile and scoot down soo just my head poked out. I edge closer to sans until we were right next to each other. Sans didn't mind as he put one of his bony arms around me as I started to drift asleep. Just as I closed my eyes staring into sans eye socket I swear I saw the blue electricity flash again but I didn't pay it any attention as I drifted into a calm slumber.