A light in the darkness |Nightmare x reader|

Confrontation

Blue had found a puzzle the two of them were trying to solve on the floor. this day had been full of puzzle solving and board games with the hyper adorable skeleton. His brother seemed to be more talkative as well. Right now Y/n had picked out a jigsaw puzzle with 1000 pieces. it was a challenge, but she was up to a challenge. a plate with some taco crumble from their meal laid not long away. the poor female had to try her best to convince him not to burn down the kitchen or put additional items in the taco. She had never had tacos before, but she was pretty sure the meat were gonna be burnt to a crisp.

"HUMAN Y/N. I JUST REALIZED YOU HAVE NEVER SEEN THE UNDERGROUND, WELL EXCEPT THE TIME YOU WERE PROBABLY NEARLY KILLED, SO WOULDN'T THIS BE THE BEST TIME TO SEE IT? YOU WOULD HAVE THE ASSISTANT OF THE MAGNIFICENT SANS AS YOUR GUIDE" his proud laughter filled the room. "but, you guys told me the underground are often hostile toward humans?" she questioned, not wanted to repeat what happened the last time she was in this snowy forest. the other times she met the inhabitant of the world was when she meet other was only different version of Sans and his brother Papyrus.

Sans smile didn't fall. "WE COULD JUST GO THROUGH THE ARIA AROUND SNOWDIN I PAYROLL. CHARA HAVE ALREADY GONE THEIR WAY THROUGH WATERFALL, SO IT WOULD BE SAFE TO VISIT IT AS WELL" thinking about her option, she nodded. "I'm inn. I would like to see Waterfall first, since I have not seen it before" She would be happy not going back in those snowy woods in awhile if she had to be honest. "WATERFALL IT IS" There wasn't long before the two of them was on their feet and out in the snow. The excited skeleton had told her everything there was about the underground. these places were pretty different from her own. all the other AUs had the monster trapped in some way after a war. there was many new locations in these world that separated them more from her own.

The two soon entered a new aria. the rocks were a sea like green, blue like color, with streams running in many different directions. true to its name, there was waterfalls in her. some larger than others. "HURRY UP. I WANT TO SHOW YOU THE WISHING ROOM" Sans took a hold of her and hurried through the damp rooms. they finally reached the so called 'wishing room' and the female human starred in an awe. bright, shining rocks littered the cave walls and roof, giving the illusion of stars. Blue excitedly took in her reaction, but his joy was short lived. walking to a cave wall near him and picking up his joy killer. a blue string laid in his hand. some people would believe this as a loose thread someone had missed from their clothing, but he knew better.

"what you got there?" Y/n came walking over toward him. he held up the string and had the most serious expression she had ever seen this optimistic monster have. "Error" his voice was calmer and quieter. it would take a professional to find the hint of fear it held. "We should call Ink and get you back." his eyes finally showed his worry. she nodded before they headed back to his home. Blue didn't have the necessary items to send her back, and call Ink, so they had to hurry. The beautiful place was quickly giving of an uneasy and unsafe aura, not knowing what would hide in the shadows or the next turn. strangely there was nearly no monsters to see. there was quite a few that would wave at them when they headed through. Blues grip on her hand tightened as he hurried. all this felt so wrong.

They turned a corner and just missed being hit by blue strings. both letting out a choked startled sound. broken laughter filled the room. it could not be placed, and seemed to come from every corner off the room. Blue summoned a bone and stood protectively in front of the human. "Aww~ playing hero again I see" the voice could be placed this time. looking up at a tiny hill on the other side of the room was the dark skeleton. his bone color blending perfectly in with the shadows, and there would be no way he would have been spotted if he didn't make his present clear. His eyes locked on Y/n which made her shudder. "I see you brought her to me. She and Nightmare have some ... unfinished business." She looked at him with fear. so, Nightmare wanted to kill her. ears whelmed in her eyes at the thought. Now there was no way she would get captured.

Blue began to say something, but another attack from Error made him stop dead in his track. quickly hurling himself out the side and dragging the human with him. at the moment he got on his feet he had to block another attack from Error. Y/n let out a surprised shriek while scooting back to the cavern walls. her hand slipped and she noticed a hole that went to another level of waterfall, hidden behind the rock she was pressed against. a bunch of trash seemed to be floating by in the water below. the hole looked to be big enough for her to squeeze through. Seeing that Blue seemed to have Error full intention made her quickly slid in it and disappeared. the females small scream echoing through the tunnel.

mountains of trash surrounded her with some floating slowly by her. looking up toward the sound of the ongoing fight. Relief was short lived when suddenly a dark tentacle wrapped around her. another was placed on her mouth to muffle her screams as she was dragged backwards. quickly turning around made her face to face with the skeleton she was dreading meeting again. heart sinking and breathing getting rapid while she stared into that Blue orb. Nightmare looked at her wit an expression that showed far too many expression to pinpoint one. he breathe heavy while his one eye darter around her face, taking in all her details. "It's you" he breathed out quietly, tears forming in his eye socket. "It's really... really you"

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So I am leaving for a week vacation tomorrow, so the next chapter will probably come one or two days late