Mafiatale Sans x Valkyrie!Reader

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A/N: A Valkyrie is an mortal female being that lives longer than the average human. they are taller than a normal human, and have a enchanted sword that glows the closer they get to their next kill target. Valkyrie (from old Norse) valkyrja "chooser of the slain". they choose who lives and who dies; deciding when their time is up. (I got the idea while reading the book, Between the Blade and the Heart  by Amanda Hocking, and it is amazing!)


While being a Valkyrie came with the advantage of living longer than a normal human, it meant you couldn't let your guard down. You simply did your job, got paid, and stayed out of sight...for the most part. Your boss always gave you a  hard time about 'returning' (or killing) someone on time, or the world will collapse on itself.

You had spent a full month living at home, no jobs popping up. You were beginning to grow concerned for your boss, regardless of his stupidity. You went to call him, but instead received a call from a workmate, explaining that your boss was dead.

Then she said that your boss had got work for you, but never got around to telling you. You end up going to the office and collecting the file your boss would have given you.

"Hey Y/N! About the boss...you're supposed to...well...just read the file," She said, pointing. You open the folder.


Name: Undyne

Age: ???

Objective. She killed your boss. find her and track her down, kill her and bring the dust back to HQ. Don't let her friends find her remains.


"What the?! You expect me, a complete novice-"

"You're the best here,"

"No I'm not! Plus, she's from the monster mafia! Their top class-!"

"Just go. the boss said you were fired anyway after this," your co-worker said, pressing the folder closed. "Anyway, we're all humans here. you belong with them, not us," this ticked you off, but you didn't attack her, holding back your Valkyrie instincts. Taking the file, your sword, and your rage against your co-worker, you left silently. Your next kill awaited.


~time skip~


It had been a week, and you had been following Undyne around the whole time. You hadn't found a way into the building though. You were perched atop a building that stood next to the monster mafia hideout, and you hadn't seen anyone enter or leave for a full hour. Maybe this was your chance.

Suddenly, you were grabbed from behind, and thrown off the building. you had quick reflexes, and landed on your feet. looking up, you saw two figures. Both were skeletons. the first one was tall, and you had a hunch he was really sweet on the inside. The shorter skeleton had a more threatening aura, and jumped off the roof towards you, the taller one following suit.

"Heya Y/N," the shorter one greeted, landing on his feet.

"How the heck-" you paused, seeing the handle of your sword glow a somewhat strong f/c. You took it out, aiming it at the taller one.

"HUMAN, PUT THE SWORD DOWN, WE DO NOT WANT TO-"

"Did you just...assume my species?" you hissed, advancing on the taller skeleton. "I am a Valkyrie, and I am much, much stronger than either of you,"

"You are? You look human,"

"Lets just get to the point," you say, and swing your sword at the taller skeleton. as it reaches his neck, you are caught mid-air in magic, the tip of the sword inches from his neck.

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