Undergems (A Steven Universe and Undertale Crossover)

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Undyne stared down at the gems from over the cliff. Sneering at Steven, Peridot, and Amythest, she pointed her spear at them. "Seven. Seven human souls and King Asgore-" Undyne was interrupted by Peridot. "Listen, fish, I didn't walk ALLLLL THE WAY ACROSS THE FREAKING UNDERGROUND TO BE HELD UP BY A "WARRIOR" WHO THINKS HER BATTLE SPEECH IS THE BEST THING SINCE SLICED BREAD!" Peridot stared defiantely up at Undyne. To her surprise, Undyne began to laugh. 

"I like you!",  Undyne smiled endearingly down at Peridot. "Actually, I think I might let you-" She faltered, a shadow passing across her face, almost becoming another person. "No, no. I didn't forget. I have to free us. I MUST free us!" Undyne, rage across her face now, pointed her spear at the gems once more. All of the gem's souls flew out. 

Mercilessly, Undyne began tossing spears at them. "I! WILL! SAVE! US!", she panted. Steven glanced at the other gems. Amethyst was dodging well, but she was bleeding from one arm already. Peridot stood there, not dodging. "Peridot! What are you doing!!??" Steven yelled, his shield wrapped around his arm, defending himself. "Concentrating!" Peridot yelled back. 

Suddenly, all the spears stopped. Undyne looked as confused as Steven felt. Peridot slowly faced all of the spears towards Undyne, controlling the metal. "AAAAAHHHHHHHHHHH!!!", she screamed, launching all of them towards Undyne. Amethyst began to run, looping a shocked Steven and screaming Peridot in her whip. "We have to get out of here while Undyne is dodging!!" she yelled. 

They raced across a bridge, approaching a sign that said "Welcome to Hotland!". The gems kept running, spotting a sentry stand, and racing over to it. Sans was snoozing inside of the small fixture. Shaking him, Steven yelled, "Sans! Wake up!!" Sans continued to snore. Amethyst snorted in disgust, and motioned for Steven and Peridot to follow her. Peridot had since passed out, most likely due to her overuse of her power. Steven grabbed her, and kept running. 

Undyne, tearing the spears out of her armor, stormed towards them. "IS THAT ALL YOU'VE GOT?", she laughed. She backed them up against a water cooler. "You thought you would escape? That's cute of you. Nobody has ever escaped me-..." Undyne's eyes rolled back in her head, showing the whites, and passed out on the ground. 

Amethyst poked her head. "Is she...dead?" Steven felt her pulse. "No, I don't think so. But, she IS dehydrated." Steven licked his hand. "Here goes nothing!" He smacked Undyne on the arm. Suddenly, she stood up, staring down at them. 

The gems backed up in fear. Undyne stared at them for a minute, and then marched back into the gloom. Amethyst stared at Steven. "You could have just used the water." She pointed to the cooler. "Oh." Steven filled up a cup of water, and poured it on Peridot. She sputtered awake, mumbling and grumbling. Steven filled up another cup for himself and accidentally spilled it on the ground. "Whoops." 

He filled up another two cups for Amethyst and himself, and they continued into the humid trenches of the Hotlands. 

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Hope you guys enjoyed this chapter! I had a lot of fun making it! Stick around for another chapter! See ya!