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

Chapter eleven: Asgore vs Kurse

-Throne room, during Sans's battle with Asgore-

Sans was sent flying back, even with his full power, the skeleton was no match for a Boss Monster. Asgore stood there with a disapointed look. "I'm disapointed Sans..." he said, "I thought you had more then that in you." "owwww..." Sans groaned, "that really hurt...huh." Asgore raised his trident up again. "Stand aside Sans." He said sternly, "That human's Soul will save monsterkind, surely you want that." Sans stood up but almost fell on his backside again. "usually i would..." he started, "but i'd rather not suffer the wrath of the most powerful changeling in existence, plus i have a promise to keep." Asgore sighed sadly. "That is...unfortunate." he said, "I am sorry Sans, but this is the end for you..." Asgore then attacked Sans with the intention to kill not only him...but Frisk as well. *Clang* what he struck was a Black Shield. "What's wrong Sans?" A familiar voice said, "I thought you didn't need a 'hand' from me." Frisk then smiled with relief. 'Kurse!' They signed happily, Kurse smiled at Frisk, before offering a hand to Sans, which he gratefully took. "good timing, i wasn't sure how much more i could take." Sans said, "Hey, no problem, man." Kurse shrugged off, "Now then..." he turned to Asgore, a serious look in his eyes. "Hey there 'Fluffybuns'...been awhile...and here I thought you couldn't get any. Damn. Worse...so I'm gonna finish what Sans started, and keep my promise to Tori." The two Boss Monsters then entered a FIGHT. 'Kurse stands between you and Asgore. Twilight fills the room. The final trek is in sight...Kurse is filled with Determination.' "Asgore..." Kurse started, "This is your punishment for murdering children...let's go, dirty child killer." Kurse's third eye opened. "I'm not letting you kill my friend." He said, "You must understand, I-" Asgore began but then blocked one of Kurse's new Spirit Scythes. "I'm done hearing exuses from you, Asgore Dreemurr!" Kurse shouted, "For the lives you've taken so cruelly, I'll be your judge, jury and executioner!" Asgore went wide-eyed as he suddenly sensed the strength of Kurse's Soul. Kurse then conjured a Hell Trident, and slashed it across Asgore's chest. Asgore stumbled back as his armor did little to stop the blow. Kurse then summoned a Dark Saber and charged at Asgore. The two clashed weapons, Asgore then recognized this power emanating from Kurse. It was a Determination Soul, combined with a Boss Monster's Soul. "Yeah..." Kurse said, "I'm a Boss Monster!" He then forced Asgore back, and then summoned a Gaster Blaster. The four eyed construct opened its jaws and fired a red beam from it. Asgore blocked by casting Blaze, but his attack only did so much to just slow the attack down. "Forget it, Asgore." Kurse said, "You're only delaying the inevitable, you bastard, I can keep this up all damn day." Asgore knew that Kurse was right. He could keep his spell going for so long, and he was starting to get tired. Kurse on the other hand had a seemingly unlimited supply of mana. After a full hour of this, Asgore was exhausted. And was hit by the Gaster Beam, and was damn near killed. "Ahhh...so that's how it is..." he said, "Kurse...I hold no illusions about your strength. But I had no oth-" "Just...shut up." Kurse said, "If you really wanted to destroy the Barrier, you should've asked me to do it...I have the power to destroy the damn thing...Toriel's...less than happy with you, Asgore. You killed six human children without hesitation...hell I share her disdain for you right now...but it's not up to me to decide what happens to you. Frisk, what do you want to do with him?" Frisk looked at Kurse, then at Asgore, then two options appeared before them. FIGHT or MERCY. Frisk hit the MERCY button. Causing Kurse to smile at them. "Even for the cruelest of monsters you'd Spare them...that's why I like you kid." 'Thanks for being here for me Kurse.' Frisk signed, "That's what friends are for." Kurse said, Asgore just smiled. "Frisk..." he said, "I promise, that I'll do my best to take care of you...we could be...a fami-" suddenly pettles appeared around Asgore who had the most terrified expression on his face. Kurse went wide-eyed as Flowey suddenly appeared. "You IDIOTS in this world.. it's kill or be killed!" He shouted, before killing Asgore, and destroyed his Soul. Kurse, Sans and Frisk were shocked. "a-asgore, no..." Sans said in shock and bisbelief, Frisk had tears streaming from their eyes. "DAAAAAAAAD!" They screamed, as they then broke down in sobs. Kurse...well he was pissed. "You...you..." he started saying before he started transforming along with Flowey. "BASTARD!" "Call me what you want, I'm just a realist." Omega Flowey said, his confident smirk however turned to sheer horror when he saw what Kurse had become. Kurse had somehow absorbed six Souls. One he and Omega Flowey both knew. "Chara?" Kurse said, "I'm really sorry for how I acted...and what I've done..." Chara said, "I know that words won't make you forgive me...but maybe my actions can speak louder than my words...these Souls you have belong to me, Auriel, Dust, Asriel, Amber, and Gaster. Please defeat Flowey, and free your people!" Frisk went wide-eyed when they saw Kurse. He looked like a 30 foot tall bat out of hell. And he looked quite angry. "I'm going to kill you...and I'm going to free Asriel from you...so get ready...you monster, because THIS IS THE END!" 'Omega-Kurse has arisen.'

I can't believe this story is nearing the end. But as always comment, rate, and leave advice so I can improve, and next time...a clash of titans!

(Here is what Omega-Kurse looks like.)