Hello! This FanFiction story is about an Undertale AU that I've created on my own. In this story, shortly after (Spoiler Alert!) Chara and Asriel Dreemurr died, W.D Gaster starts to experiment with the first six human souls and create monsters who can help to destroy the barrier. And well, plot twists occur... and then Frisk arrives. Please leave a like/follow if you enjoyed this first chapter, and feel free to leave a review as well to share your opinion. I also recommend that you play Undertale or at least read up on the game before reading this FanFiction story. Otherwise, you might not get it. Also, since this is an Alternate Universe (AU) of Undertale, do not judge me if I deviate from the original story by some degree.
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ExperimentTale
by FinalMagus25
...
Once upon a time, two races ruled the earth: Humans and Monsters. The two races lived in harmony until December 31, 0 B.C, when an ambiguous conspiracy set off a war between the humans and monsters. Several years later, the humans won, and the remaining monsters were sealed underground. At the cost of seven human souls, a magical barrier was created to prevent the monsters from escaping. However, the barrier had one fatal flaw: there was an opening. Mt. Ebott is the only place where humans can reach the Underground; every once in a while, a kid may stumble through the entrance...
201X
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Chapter One: No Integrity
August 13th, 2011
Alison Corrin, a twelve year old girl, entered the corridor, full of confidence. Her friends and family back in Ebott, Ireland were terribly worried about her, she'd been missing for nearly a week. But who could blame her? After all, she did slip into a secret passageway, trapping her in the Underground, where good and bad monsters dwell.
Alison made many friends on her perilous journey, but she was also constantly on the run from other monsters with evil intent. She got mugged in Waterfall; she hadn't eaten in days. If she didn't escape through the barrier, her journey would be for naught. She quickly danced through the corridor, integrity shining in her soul. But little did she know, somebody was waiting for her...
The dancer entered the next room, the throne room. Surrounding her was a field of flowers, buttercups to be exact. About a hundred feet in front of her stood a door, the way to The Barrier. True to its name, this magical force field prevented monsters from leaving the Underground. But it couldn't keep a human from crossing its borders.
She slowly tip-toed through the field, careful not to step on a single buttercup. But the closer she got to the door, the quicker she moved, until she found herself making a break for it! Freedom was within her grasp...
Fswoosh!
Alison stopped dead in her tracks. Looking down, she gazed at the red, three-pronged spear that impaled her. Before she could turn around to she who dealt that fatal blow, she dropped to the floor, dead. No feelings of hope. No confidence...
...no integrity.
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Tears trickled down Asgore Dreemurr's face as he harvested the girl's soul, containing it in an appropriately sized jar. In his mind, this grim deed had to be done. If she had escaped through The Barrier, she would've warned the humans about this place, and no one would ever return. He needed her soul...
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"My lord," Dr. W. D. Gaster said to the King the next day, "The Royal Guard has reported that more humans have fallen into the Underground."
Gaster was one of the few remaining skeletons who lived in the Underground, as the war decimated most of that type of monster. Anyway, Gaster was the Royal Scientist. It was his job to obtain Asgore's approval to conduct secret experiments in his lab. This time though... it was different.
"Tell them to find the two boys and bring them to me. Dead or alive..."
"King Asgore, what is the matter?" The doctor asked.
"I feel terrible about killing that girl. She hadn't done anything wrong. My actions were..."
"Unforgivable? Terrible? Disgusting?"
"Yes. I guess I'm no better than those murderous humans..."
"King Asgore, that is not true. You had to stop that girl. If you hadn't, we'd be spending eternity here."
The scientist's attempts to make his friend feel better were worthless...The king hasn't been this depressed since the deaths of his children. This was worse than when his wife, Toriel left him after their divorce.
"Sire, if I may..." Gaster attempted to get the king's attention.
"I'm listening." he replied somberly.
"I may have a way for us to break the barrier... but it will require that I have access to the child's..."
"I understand." Asgore interrupted. "Just get on with it. If you'll excuse me..."
The king sat up from his throne, grabbing a nearby water pitcher. He walked away from the scientist, looking to procure water for his buttercups...
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Private Entry: #11
August 12th, 2011
It is about time that my followers and I get this project underway. If my calculations are correct, extracting the body's residual Intergrity will allow me to create life... A monster. The embodiment of Integrity. We may leave this prison soon enough.
...
The Determination Extractor successfully extracted the Integrity from the child's corpse. I safely stored it in my lab. This experiment could prove to have a satisfying result. But as it is getting late, I must be off for tonight. The next few days will be my more interesting yet...
Personally, I believe that I'm gradually going insane. I spend my days in the laboratory working endlessly at this... eternally working on that...
I
just
can't
stop.
End Recording.
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August 16th, 2011
Asgore stood in Dr. Gaster's lab, wearily waiting for his friend to get started with his work.
"Doctor, what is it that you want to show me?" King Dreemurr asked in confusion.
Gaster lifted a body-bag onto the operation table. This filled the goat-man with dread, shame. He stood in shock for a second or two, then shook it off.
"You... you're going to..."
"This isn't exactly what this looks like your highness!" Gaster responded, opening the bag to reveal a body, a female monster's body.
"Then what the hell is this!?"
"This is an artificial body. I created it with live DNA samples from volunteer monsters!"
"What is... she even doing here?" Asgore was pointing at the body in disgust.
"Please, just watch and I'll show you."
Asgore opened his mouth to say something, but no words protruded. Gaster, with no doubt in his mind, cautiously lifted up a jar. It contained a monster's soul, not nearly as strong as a human's soul, or so Asgore was told. But something about this soul appeared to be off. This soul was faintly glowing a cyan color. Extracted Integrity.
With careful hands, the doctor grabbed the soul with his gloves, and slowly pushed it inside of the body. Asgore was speechless; his eyes widened. He was an extremely sensitive person, even as the king of monsters. He couldn't make sense of what just happened.
"..."
"It is done." The doctor concluded.
The two waited a moment for something to happen. But nothing did. The king had no words, he thought Gaster's experiment had failed. But the moment he began to turn away-
"*Gasp*"
The female monster awoke with a frightened look on her face. She looked back and forth at Asgore and Gaster, waiting to see if one of them was going to attack. But they didn't.
"W-w-who are y-you?" she asked nervously, unsure of herself.
This is not at all what the doctor expected. He was hoping for an honest monster who would calm down and work with him easily. But he got the opposite, and this stumped him so. Nevertheless, he responded.
"I'm W. D. Gaster. Well, um... you see..."
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Private Entry #12
August 23rd, 2011
This experiment did not end how I intended it to. Instead of giving a yellow dinosaur monster Integrity, the soul gave her the opposite. She doesn't display the Soul's main property at all, if not a little. Neither the King and I understand it, but if I'm going to figure it out, I need to repeat the experiment with another monster soul and body. There's only one problem: I'm all out of Integrity. And to make matters worse for use, the monster's hybrid soul doesn't amount to that of a human soul.
...
On the bright side, Alphys (as I am dubbing my subject) is learning to get along well with me, my coworkers, and even the king himself. She craved knowledge about the outside world, and thus she asked me if she could be my assistant. Of course, I'll need to think about her request. After all, it has only been a week since she was... "born".
...
...
...
.ePaCsE nAc EnOn HcIhW nI tIp KrAd A sEiL sWoDaHs EhT dNoYeB
End Recording
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August 24th, 2011
"D-Doctor Gaster, sir!" Alphys shouted as she entered the lab. "You are never going to believe this."
"Yes, Alphys?" The doctor questioned her, curious.
"I um... found a h-house that I could rent out."
"Congratulations. I look forward to visiting you."
Now she won't have to sleep in the laboratory., he thought in relief. That issue was starting to take a toll on Gaster. And the fact that the Royal Guards can't seem to find these three human kids wasn't helping either. Apparently, they were last spotted two days ago in Snowdin, a town that constantly received snow.
Gaster and Alphys walked down the corridor, and into the throne room to find the king watering his precious flowers.
"Your highness," Gaster said, him and Alphys making a hasty bow. "I-"
However, Gaster looked up to find that Asgore Dreemurr was also already in conference with two royal guards, who firmly held a thirteen year old boy by the arm. Remaining silent, the scientist watched as the king took the struggling boy away with him.
Alphys's heart skipped a beat. She had a feeling she knew that boy, but she just couldn't place it...
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August 25th, 2011
Fifteen year old Pascal Donovan pointed the old revolver at the bleeding guard, fury in his eyes.
"Where is he? Where did you take my freaking brother you son of a-"
"Pas, please stop!" pleaded his sister, fourteen year old Uri.
She stood in her brother's line of fire, protecting the guard.
"This can't end in bloodshed! We'll get Sam back, but killing a perpetrator is not going to help."
Uri started to cry. Pascal lowered the gun, ashamed of himself. He wanted to do the right thing, but it was now that he realized Uri was right all along. He couldn't hold anything against her. The siblings hugged affectionately.
"You're right. I can't straight-up murder somebody..."
The two adolescents turned to the injured guardsman.
"Where is Sam?" He asked the guardsman.
...
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And that was Chapter One of ExperimentTale. Quick note! This AU was created by me! Readers are free to create comics of this AU, as well as animations, comic dubs, etc. I may be the creator, but who said anything about it being unavailable to interpretation?
Anyway, this is the canon story. Keep that in mind, okay? We don't need an AU like this to end up like Flowerfell.
FinalMagus25