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Hiccup walked into Waterfall and saw a small monster in a sleeveless shirt staring down the side of a gulch of some kind. He glanced down and felt his heart drop into his boot. It was bottomless.

"Don't want to fall down that."

The Monster Kid seemed to notice him for the first time, turning to him. "Hey! You look really cool! Are you here to see Undyne too?"

Hiccup shrugged. "I just want to get.."

"Yeah, I snuck out. Don't tell my parents I'm here."

"Um.. okay." Hiccup shrugged and continued on his way. He saw Sans sitting at a sentry station. "Uh, don't you live at Snowdin?"

"Yeah, I get around, pal."

Hiccup shrugged and waved bye to Sans, continuing through a small passageway. There was some tall grass, which he made his way through, but suddenly heard metal clanging and froze. He ducked down quickly. 'Undyne.'

He heard some movement, then Papyrus's voice. He glanced up, whatever was there wasn't looking at him. He ran for it.

Hiccup had made it quite a ways, and was looking out at a large bridge. He began to walk across, only freezing when he heard metal clanging again. He turned around and saw a large ominous figure in armor. A spear flew out of the darkness and landed inches in front of him. Running for it, he dashed down the bridge, dodging huge blue spears at every turn. Some came up through the ground, which seemed impossible. But what wasn't possible down here? Nothing, it seemed.

One flew out from the shadows and hit his foot, the one good one he still had, and he yelled in pain. He ripped the spear out and kept going as best he could. he was limping heavily, and by the time he made it to a dead end, he could hardly stand. He turned around and saw the figure. It was holding a spear and slowly making it's way forward.

"No.. please..." Hiccup was pressed against the wall, trying to keep the weight off his bad foot now.

Monster kid came out of the bushes and looked at the two of them. "Undyne! Oh, awesome!"

Undyne grabbed Monster Kid by the ear and began to haul him away, much like Stoick had done to Hiccup in the past. Hiccup took the chance to find a way out.

Hiccup limped onto yet another bridge. He had wrapped up his foot with some of his shirt. He had also gotten quite hungry, and had eaten the bright ball he had gotten in the Ruins. It had tasted quite sweet. His foot had gone numb after that, so he had to watch where he was going. He stopped suddenly, staring out at where the bridge he had been on ended.

"Great. Can things get any worse?" Turning around, he saw Undyne. "Oh yeah, I just had to ask, huh? Great! kill me now!"

Spears came down on the wood in front of him. He heard a crack, but nothing else happened.

"You missed." Hiccup said dryly. The wood he was standing on shifted. "Okay, perhaps I've spoken too soon. Again."

He caught a glimpse of the wood cracking before he fell into darkness.

"Oh dear, you've fallen down, haven't you? What's your name?"

"..Chara? That's a nice name. My name is.."

Hiccup came to, partially soaked. His head was throbbing a little. He looked around, realizing he was lying on some moss. He got up, expecting pain to shoot through his leg, but none came. Sitting down and muttering in surprise, he untied the bandages on his leg and pulled off his boot. His leg was completely healed.

"What the? It was probably broken when that spear hit it!"

He rubbed his leg. No soreness whatsoever. He thought back to the bright ball he had eaten. And the pie and spaghetti. Every time he had eaten something down here, he had felt better afterwards, bruises he had gotten disappeared, energy renewed.

"Monster food heals!"

The realization hit him rather hard. And now he had no food on him. Face-palming himself for not realizing it earlier, he stood up, and began to move through the swampy wet area ahead of him.

He had also forgotten to put his boot back on.

Sploosh.

"Aww! Gimme a break! Just once!" He thought for a moment. "But not literally!"

Hiccup continued through the terribly wet area, passing strange objects he didn't recognize. Not that he was curious anymore. He was to miserable to care. His foot was soaking wet, he was wet from the mist coming off the many waterfalls in the area, they apparently didn't call it Waterfall for nothing. He missed Toothless, and was hungry. He wanted to get home. To Berk. But it seemed this underground place had it in for him. He tripped on something since he hadn't been paying attention and fell face-first into the water. Getting back up, he continued to trudge through the mud.

"Can't get any wetter than I already am, and now this place is going to take that as a challenge and try to get me wetter, and why is it even so blasted wet here anyway? Undyne will show up any moment and finish me off..."

Hiccup heard a noise and looked up. He saw a dummy like the one in the ruins. It had a huge scowl on it's face.

"Think you can just run away?"

"Um... would be nice."

The dummy growled at his sarcasm. "Well, you are going to get no further, human. I'm surprised you got this far."

"Yeah, you and me both, buddy."

"You're making me angry." The dummy was staring at him, furious.

"Yeah, well, you're not exactly doing anything for me, either." Hiccup crossed his arms in frustration. He had had enough of this place now. He was ready to lay down the sarcasm.

The dummy snarled at him, and miniature dummies appeared around it. "Now you're gonna pay, buddy."

Hiccup groaned. "Do we have to do this? I've had enough of the underground now. I want to go home."

The mini dummies flew at him, and Hiccup dodged them. He managed to keep dodging them, despite all his misery, and wanting to give up. As if some outside force was driving him.

"Gah!" The dummy yelled. "You're all useless! Worthless!"

Hiccup realized he was yelling at his attacks.

"Get out! You're fired! All of you! I'll use these robot dummies instead!"

Hiccup sighed as he continued to dodge.

"Just die already!" The dummy roared in frustration.

Hiccup couldn't help but smirk. He was getting good at dodging.

"Alright, you're fired too! Get out! I don't need friends! I've got knives!"

'Oh no.' Hiccup thought.

One knife flew right past him and landed with a plop in the water.

"Impressive."

The dummy seemed embarrassed. "I'm... all out of knives."

"Oh. Terrible shame. Can this be over now? And may I say you really need help? You have anger management issues." Hiccup smirked at the dummy.

"Oh, shut up!" The dummy scowled grumpily at Hiccup. "I'm so mad! Ahh! I HATE SARCASM!"

The dummy was practically falling apart. Hiccup decided to leave it to it's anger and move on.

"Eureka. Eureka!" The dummy was smiling. "Oh my gosh. I'm corporeal! Yes! Oh thank you, human! That moment of unbridled emotion. I became one with my body. every ghost's dream!"

Hiccup smiled in spite of all that had happened to him so far. "Congratulations."

The dummy floated over to him. "If there's anything I can do for you, anything at all, just ask!"

Hiccup thought this was certainly a nice change of pace from everything else he had been through in the last twenty hours. "Okay, just a question. Have you seen a big black dragon with a saddle, green eyes, and a red tail fin?"

The dummy nodded. "Yeah, a big black thing went through here a week ago. I ignored it because it looked too tough for me. I think it wad headed towards Hotland."

Hiccup felt like hugging the dummy. "Thank you!"

The dummy nodded and began to float away. "You're welcome! Oh, and take these!"

The dummy handed... gave Hiccup three identical things. "I found these in here, but I don't need them. You eat them."

Hiccup smiled and waved the dummy goodbye.

Hiccup saw two mirrored houses side by side, looking as though they were drooping. One was white, the other reddish. Hiccup walked up to the white one and knocked. There was a half-hearted familiar sounding 'come in'. Hiccup opened the door and saw Napstablook. The ghost smiled at Hiccup.

"Hi. I remember you. You're that nice guy from the ruins."

Hiccup walked forward and closed the door behind him, making his way to the ghost.

"Hello to you to! Is this your place?"

"Yes, a pathetic house, isn't it. It's small, but to me, it's home."

Hiccup looked around. "I think it really is nice. Very clean."

"Ghosts don't need much." Napstablook grinned at Hiccup. "So, how are you doing? It's been a while since I saw you."

"Oh.. where to start? Toriel and the skeleton brothers, a crazy person in armor trying to kill me, a dummy with anger issues, and I'm still trying to find my way out of here."He sighed and sat down on the floor.

Napstablook floated lower. "Sounds terrible. I'm glad you made it."

"Me too, Blook."

"My friends call me Blooky."

Hiccup found a small opening in the rock and walked in. A monster that resembled a tortoise in glasses greeted him.

"Hello there, fella. The name's Gerson."

"Nice to meet you."

"You're a human, aint ya?" Gerson eyed Hiccup. "A weird one at that. What's with the armor?"

Hiccup snorted. "I made it. Where I come from, we need protection against certain things. I happen to be really thankful it's still in one piece after all I've been through."

Gerson nodded. "Kay then, feller."

With that, Hiccup made his way onward.

Hiccup walked though a doorway and saw the weirdest sight he had ever seen in his life, by far. This put the rest of the underground to shame. At least ten identical black haired cats with striped shirts stood around doing nothing in particular.

"Uh..."

Hiccup walked inward, and immediately, four of the creatures surrounded him. One spoke up.

"Hoi! I'm Temmie! And don't forget my friend, Temmie!"

The next two repeated the same thing.

The third one seemed to have a grasp of how to speak. "Hello, I'm Bob."

Hiccup waved nervously at the Temmies and Bob, and began to pick his way past them. He saw the rest of the Temmies, one was staring at an egg, and one was standing next to a dancing mushroom. Another was peeking through a hole in the wall, next to a giant statue of a Temmie. he peeked inside a shop, and decided he had had enough of this place. He turned around and left the Temmies to their business.

"I just wasn't ready for the responsibility."

Hiccup peered down at a flower that was repeating the same thing over and over.

"Huh. Strange."

The flower then repeated that.

"Uh..."

And that. Ignoring the repeat flower, he peered under the bench. Something that resembled a pie was sitting there. Deciding that he didn't really care about it, he moved on.

He was pretty lost, he had taken a wrong turn, he was sure of it.

"Maybe I should go back to that small yellow bird."

The flower then repeated that.

"Oh, shush it."

Hiccup finally found the way forward. He stared up at a huge mountain area. On top of a tall rock was the armored figure. Undyne. He tensed and walked forward.

"Human, I've been watching you." Undyne spoke for the first time.

"And not to mention trying to kill me." Hiccup retorted. "What did I ever do to you?"

"We need another human soul to break the barrier and make monsters go free. We have six, we need seven. You are the seventh, and as long as you breath, we cannot leave. You're standing in the way of everyone's hopes and dreams!"

Hiccup shook his head. "Well, I'm sorry and all, I really am, but I have somewhere I have to be. I have my own home to go to. I have a responsibility to get home."

Undyne threw a spear at him, and he flinched as it landed in front of him.

"Use that to defend yourself."

Hiccup picked up the spear, surprised by Undyne giving him something to defend himself with. The battle started. Spears came from all sides, and Hiccup span around dodging them or deflecting them with his own.

'One hit and it's over.'

He tried not to think about that, quickly popping half of one of the bars the dummy had given him into his mouth. He knew now that food down here meant medicine, and he was going to use that knowledge. As he ate it, he felt a rush of energy move through his body. He fleetingly wondered for a moment if the food down here could heal lost limbs.

The distraction cost him.

One of the spears grazed his side, cutting through his scale vest and shirt. He felt pain shoot through his right side. He glanced down and saw that it was bleeding.

"Oh no."

He saw another spear headed for him and raised his own to block it. This one was a different color, so what? Green made no difference. It went around him and hit him in the back. He felt it graze his spine. Everything began to go dark.

"Spoke... too... soon... again..."

He floated in a dark void, barely remembering anything.

"Is this what it's like to die? Am I headed to Valhalla? No.. I guess not. There isn't anyone to send me off. This must be Helheim."

He floated for who knows how long before more thoughts entered his head.

"I'm sorry, everyone, I failed... Toothless, Astrid, Mom, Dad, everyone. All of Berk. I failed again."

He began to cry.

"No.."

He remembered what Flowey had told him.

'The person with the most power can reset. That means you. You can try over and over.'

He struggled himself to life.

The underground flickered into his vision again. He was staring up at the mountain. Undyne was waiting. He had reset.

"Human, I've been watching you."

"Yeah, I know. Let's just get this over with." Know he knew about the green spears. And he wouldn't let himself get distracted.

Undyne threw a spear at him, and once again, it landed in front of him.

"Use that to defend yourself."

Hiccup picked up the spear, once again. The battle started. Spears came from all sides, and Hiccup span around dodging them or deflecting them with his own, with new determination. After dodging for a while, he began to tire again. Then, he had an idea.

"Oh my gosh, what is that!?" He yelled as loud as he could, pointing toward where he had came from.

Undyne quickly turned, staring in that direction. "I don't see anything..."

Hiccup had already taken off. He dashed as fast as he could, tripping Undyne with the spear she had given him. She fell over with a clank, armor weighing her down. Hiccup ran past a huge moving light show, then over a bridge over lava. Yes, LAVA. He continued without looking down. He turned around, seeing Undyne, still helmetless, moving very slowly forwards.

Hiccup hadn't been very surprised that there had been a fish underneath that armor, he had to admit.

"So.. hot.." Undyne fell over, looking like she was roasting.

Hiccup was reminded of smoked salmon. He turned around, ready to leave and move onwards. He stopped. Turning around, he saw Undyne lying there. He was reminded of a wounded black dragon, shot down in the woods.

'I did this.'

The familiar words echoed in his mind.

'Down here, we don't have to fight.'

He saw a container of water and some cups made of paper. He grabbed as much water as he could, and made his way over to Undyne. He splashed the water over her head, watching as nothing happened.

"Oh, don't die!"

He ran back and forth several times, splashing water over Undyne's head. Finally, she twitched. She looked up at him through one eye, the other patched. Hiccup smiled in relief.

"Oh, thank Thor. You're alive."

Undyne got off her stomach, standing up. She watched warily as Hiccup stood up.

"Why did you save me, human? Why?" She seemed confused, as if she hadn't thought a human was capable of mercy.

"Because I once hurt someone, and could have killed them. I saw you just like I did them, and I couldn't just let you die. I have an issue like that." He laughed awkwardly at the last part.

"I tried to kill you!" Undyne was staring at him in disbelief.

"I know. I know. But... we were at war for Dragons for years. I took one act of mercy, and changed my life forever. The person I hurt is now my best friend. And we have peace now, because I wouldn't kill."

He was seeing the parallels.

"It takes one act of mercy." Hiccup repeated.

Undyne shook her head in disbelief, standing up. She began to move back toward Waterfall.

Hiccup turned away, looking toward the rock and lava that awaited him.

Hotland.

Please review!

Yeah, the quiche is a little out of place, I know. But I wanted it in there somewhere.

I saw the parallels between how Hiccup befriends Toothless by sparing him and Frisk befriending Undyne by sparing her. I figured I'd use that to get our poor unfortunate Viking past this part of the 'game'.

And as for the Monster Candy and food healing? It makes sense, don't it? That's how I interpret the food in the game. Hmm?

Hiccup did die, by the way. He learned how to reset.

Hiccup is #done with the underground. Unfortunately, it's not done with him yet.

And the Mad Dummy becomes the Glad Dummy! I'd hate sarcasm too, if I were him.