Undertale: the last Changeling: Book 1: The Underground Arc

Intro song + Prologue: Fight in the Void

(Quick note about Gaster. Yeah I decided to gender bend him or rather her, personally I find it interesting but that's just me. Anyways enjoy my first prologue!)

(P.S, credit for the songs in this story go to their respective creators.)

-???-

"What...where am I?" A figure asked the air, his own voice sounded foreign to him, then he remembered what happened, the humans, the war, his name...even his death by the tip of an iron dagger from someone he called friend. Growling he sat up, immediately regretting the decision, clutching a slash wound on his chest. He ran a clawed finger down his left eye...and felt a scar. He gave a hollow chuckle as he looked at his surroundings. "So...I died and now I'm in Hell?" He asked himself, "Well not exactly...) said a female voice, the figure then bolted up to his feet and reached for his sword...only to find thin air in it's sheath. "Who are you!? Show yourself!" He yelled, the voice gave a distorted chuckle before introducing itself. "I am Dr W.D Gaster, welcome to the Void, who are you?) Gaster asked, "Kurse...Kurse the Changeling." Kurse replied, "I know who you are Gaster...you're supposed to be dead."
Gaster laughed upon hearing that. "Well, as you can see I'm very much alive.) She said, "But in a moment, you won't be.) Kurse then jumped away from two attacks from the distorted skeleton. He then launched a Dark Saber at her which she dodged by moving her head to the side. "Is that your best?) Gaster taunted, before being turned into a pin cushion. "That's better.) She then turned into a cloud and rushed Kurse, the Changeling conjured a Black Shield but Gaster powered through it landing a hit, Kurse's hp was reduced to half. Standing up surrounding his hand in magic and attacked. "You can do better then that Changeling~) Gaster said tauntingly, before attacking Kurse again who couldn't soften the blow in time and took the hit full force, his Soul cracked causing him to cough up blood. Gaster then lifted the injured monster and was about to possess him, but a purple Bone hit her, disrupting her form. Kurse was then lifted up and healed, opening his eyes he was greeted by the soul of his brother Dust. Kurse went wide-eyed at first, but gradually began to smile and tear up, "Bro..." he said hoarsely, "You're not alone Kurse." Dust said, "We're all here in your heart...and you will always have our power, now show her who's boss!" The souls of the Changelings appeared behind him, along with familiar faces, before merging inside him "Yeah." Kurse said, summoning three four eyed Gaster blasters and firing them, Gaster yelled in pain. Before Kurse started teleporting around and attacked using Dark Calamity. Gaster's hp was almost wiped out. "ENOUGH!!!!) Gaster yelled her voice completely distorted, grabbing Kurse with her magic and throwing him to the side, stopping himself he glared at Gaster and assumed his true form. "This ends here!" True Kurse yelled, speeding toward Gaster, the souls of his friends and family all flashed before him one by one all saying the same thing, 'You can do it Kurse!' Kurse's Soul appeared, one half was the same shape as human Soul, the other half was shaped like a monster's soul. 'Kurse was filled with Determination.' Gaster shrugged and tried her mist attack again. True Kurse conjured a Black Shield, this time stopping her in her tracks. "It's over Gaster, now send me back to the Underground!" True Kurse shouted, before firing a Spirit Beam from his mouth disipating Gaster. "So let it be done...) she said, and Kurse was transported to the Underground.

-Snowdin outskirts-

Kurse jolted awake, looking around he saw he was no longer in the Void. (Snowdin...) Kurse thought, (Looks like I'm alive again...and the last of my kind...ah well when life gives ya lemons ya make lemonade...wait, I feel Gaster's power in me as well, interesting.) Kurse then looked at his left hand, a circle in his palm formed on it, clenching it into a fist the circle vanished. "Welp..." he said to no one in particular jumping to his feet and stretching. "Let's not waste this second chance." Unbenounsed to Kurse, a certain flower had seen him appear out of thin air. 'Well...you don't see that everyday.' Flowey said a bit speechless, 'Asgore's gonna want to know that a Changeling's still alive.' With that, Flowey burrowed into the ground to report his findings to Asgore.

Well that's that. as always comment rate and leave advice so I can improve next time Kurse runs into a comedian with a Skele-TON of puns (take a guess,) and his brother as well as a human child!