After seeing another of the other undertale railgun story I wanted to do one of my own. My first story I hope you like it!

Underline: Sans

Italics: Mikasa

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The skeleton fired a Gaster Blaster at the girl but she managed to dodge it. Doing several flips in mid air she dodged another one and fired back her own assult of weaponry which hit the skeleton sending him flying into the opposite building.

"You think you can beat me?!" Mikasa charged again hitting him with another hit of electricity.

"I'm just warming up" Sans yelled in attack sending a line of bones towards the girl and knocking her arm off. "Get dunked on!"

Mikasa slashed out at the skeleton in an attempt to achieve a surprise only for the skeleton to teleport behind the demon and deliver a massive blow with a rather large Gaster Blaster. "...Is that I'm getting real tired." Misaka leapt back to their feet Hit Points restored and a demonic look to their face.

Sans sighed. "Have it your way kid…." He flicked up a field of bones that ripped apart the floor in a zigzag race to be the first to hit Misaka. They jumped out of the way, using unhuman like strength to hold onto a nearby pillar and dodge. "Our reports showed a massive anomaly in the timespace continuum. timelines jumping left and right, stopping and starting…"

Several Gaster Blasters materialized from the air around the Demon with the desire to kill in an instant. Frisk barely had time to dodge before the skull's wicked jaw dislocated from the sides and the eyes began to flicker, letting out a deadly beam of light that vaporized the spot they were hanging and the pillars that stood behind it. "Until suddenly, everything ends."

Mikasa hit the floor on all fours, dust covered dagger in hand and breathing heavily. "Heh heh heh… that's your fault isn't it?" Charas eyes opened wide as six bones as tall as the room itself began making a path of carnage towards them. Weaving left and right they tried to dodge the bones, but every time one went by it just turned around and came right back in for another shot.

The skeleton's eye began to glow with a blue fury reserved for only the worst scum of the Underground as he raised his hand, molded like a finger gun, at Mikasa. "You can't understand how this feels!" he yelled, an enormous gaster blaster firing immediately at the child, striking them directly in the chest and sending them flying across the room, blood spraying everywhere. Charred bits of cloth hit the floor as Mikasa clutched the hole in their chest, the wound already healing but at the cost of Hit Points.

"Knowing that one day… without warning.." He readied another attack but found that Chara had disappeared. There wasn't any smoke in the room nor was there any LOVE signatures in the room. "YOU'LL BE BURNNNIIINNNGGG INNNN HELLL!"

And then the dust went away and Sans stood victourious on the battle field.

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Thank you to Speedarious for inspiring me to write and thank her for writing a great story!

Review if I should continue this story!