I do not own Adventure Time or any of the characters. AU: Fin has Finn Sword and Grass Blade.
Running Rain
Finn sat up, stretching and cracking his neck. The sun didn't seem to have risen, because it was still dark. He sighed and crawled out of bed, walking to the ladder and climbing down to the kitchen. Once there, he poured himself a bowl of cereal and began to eat it as he looked outside. Clouds. Nearly black.
"I hate rain," Finn muttered.
"Would you stop complaining?" Jake complained climbing down the ladder. "It hasn't even started raining yet. And what's so bad about rain anyway?"
"When it rains, it's because there are dragons in the clouds, peeing," Finn shrugged.
Jake stared at him, not entirely sure if he was serious or making a joke. Sure a few years ago he might have actually believed that but Finn was seventeen now. Surely he knew from Princess Bubblegum what rain was.
After a moment, Finn's face split into a grin and Jake rolled his eyes sighing. Jake got himself some coffee before sitting on the couch and sipping it. Finn leaned beside the window, staring out at the clouds and scowling.
"Relax," Jake sighed. "There are two good things about rain."
"Like what?" Finn demanded.
"Well for one, there's no sun," Jake grinned and Finn raised an eyebrow, neglecting to say anything incriminating. "And two, the rain tends to draw out the stronger variety of creatures and criminals."
"Fair enough," Finn sighed. "I still hate the rain."
"I know," Jake nodded. "But for now, just ignore it and come play BMO."
"Jake, I don't want to play BMO," Finn growled. "I don't want to fight monsters, I don't want to stop criminals, and I don't want to have this conversation with you, again."
"Then what do you want?" Jake questioned.
"Maybe I want to put on a frilly dress and dance around," Finn shrugged. "Or maybe I want to braid my hair. Maybe I want to slit my wrists, or your throat. Maybe I want to eat. You never can quite tell with teens can you?"
"What do you want Finn?" Jake growled.
"I want...to go back to bed," Finn stated.
"Well that's too bad," Jake sighed. "You're up and you're not going back to sleep. Go see PB, or FP, or Marceline, or which ever you're in love with today."
"Fuck you!" Finn snapped spinning to face him. "I moved on from PB to Flame Princess because of you. Then when you didn't support that, I tried to pull away from both and both decided they were too good for me. Don't you dare say it was my fault for being a flip-flop and don't you dare make jokes about that."
"Alright, sheesh," Jake groaned. "I get it. It's all my fault. Boo hoo, poor you. Just go to bed or whatever."
Finn grunted but didn't move. After a few minutes, rain began pounding the house and Finn's mind began to wander while Jake played on BMO. They both remained silent, the only sound besides the rain being Jake's game. After a bit, lightning flashed followed almost immediately by a clap of thunder. Jake ignored it but Finn flinched, eyes shooting to the clouds, still seeing something a thousand miles away.
"I'm going out," Finn finally said.
"Are you kidding?" Jake gaped. "It's pouring out! And there's thunder and lightning!"
"I'll be fine," Finn stated. "It's not like my swords attract lightning anyway."
Finn turned and left the tree house before Jake could stop him, sprinting out into the rain and away from the memories flooding his mind. Jake stayed behind, remembering a couple of things himself, both relating to a time when he had found Finn in the rain, in the middle of nowhere. Thinking back, Jake supposed he did know when Finn's hatred of rain had set in. Another thing that had happened to Finn in the rain entered his mind and he didn't even notice when his character was killed on BMO's screen. He didn't notice when BMO turned the game off and unplugged the controller either.
"Will Finn be okay?" BMO asked.
"He'll be fine BMO," Jake assured him, not sounding entirely sure himself.
BMO nodded and turned to look at the door that Finn had left open.
Finn ducked under a slash from a Why-wolf and extended his grass blade, bisecting the wolf, then spun, drawing his Finn Sword in his other hand, holding it in reverse grip as he slashed another across the chest. He flipped the Finn Sword around to normal grip and used it to block a Why-wolf's claws then slashed it with his Grass sword before putting the Finn Sword away and sprinting away from the corpses, leaving over a dozen in his wake.
Why did it have to be then? Finn thought. Why her? Why is it, that whenever the heavens weep, it is always you who fills my thoughts?
He stopped in his tracks as a massive black axe crashed down in front of him missing by little more than an inch. Then, Finn extended his grass sword and cut a blade in half, stone ogre holding it roaring in rage. Finn ignored it and continued, hearing the thing charging after him. After a few minutes, Finn entered a fog, following the path with a practiced ease before leaping across a small canyon in the path, landing safely on the other side just as the ogre charged off the edge, head smashing on the ground behind Finn as the body fell into the canyon and to its death.
Finn continued running, the rain beginning to get cold enough to sting his skin and the lightning was flashing directly over head, the thunder deafeningly loud. He leapt to one side as a tree exploded from a lightning strike, flames igniting on the trees around it and a burning branch crashing down in Finn's path. He leapt over it, his updated outfit protecting him from both the heat and the threat of burning.
He had long ago traded his old outfit for a black Tee-shirt and navy blue pants. He had discarded the hat a long time ago, about when he started hating the rain, and he now kept his blonde hair short, barely reaching past the top of his ears with the bangs just barely reaching a forth of the way down his forehead. He had grown some muscle, if not much, over the years of fighting monsters and criminals. He kept his Finn Sword in a sheath he had had made for it on the left side of his waist.
Damn! Finn thought as he ducked under a skeleton's sword before standing and cutting its skull in half with his grass sword. Where are you!? Why did you do it? You were supposed to be...Damnit!
He slowed to a stop, leaning on a tree and squeezing his eyes shut against a memory, trying to block it out without success.
Finn sat against the wall in the makeshift throne Jake had made for him. He watched the other guests in the cave as they mingled and danced, all having the time of their lives while waiting patiently for the last guest. Finn himself was rather anxious for their arrival. It felt like they had been waiting for them for ages, in reality it was only about an hour. Finally Jake walked over.
"Finn," Jake began and Finn sighed. "I know you want to wait a little longer but the DJ's having a hard time keeping the songs going and the others are getting impatient. Can't we at least do cake and ice cream?"
"I told you no," Finn sighed. "We're waiting for..."
But you never did show up did you? Finn thought somewhere between bitterly and hurt. And when I went looking for you, you were gone. No one had seen you in days, in fact. I always was the last to know, when it came to you."
Finn ducked under a leaning tree, standing and reflexively blocking a Fire Wolf's claws, cutting it in half then back flipping over the fallen tree as the wolf exploded. He ducked under the tree again and continued along the path. He looked around as he ran. Fire Wolves never hunted alone and very rarely left the Fire Kingdom. To find a single wolf in the middle of the woods that weren't burning had to mean something was wrong.
After several minutes of nothing happening, no more wolves jumping out at him, Finn finally slowed to a stop, memories finally blocked out by two things: his sense that there was something seriously off, and his sense of danger. Sure enough, a moment later a small army of skeletons began to shamble out of the trees, all staring at him and brandishing weapons. Finn extended his grass sword and looked around. There were a lot. Probably too many to fight. But that wouldn't stop him. He drew his Finn Sword as well, holding it in standard grip in his left hand, listening to the rain drumming along the blade while making almost no sound as it hit his grass sword. It was a bit disorienting since his brain was saying it should be making sound on both blades. After a moment, the skeletons all lunged at him and he sprang into action, spinning and slicing through their skulls, killing them all with ease while blocking their attacks with his Finn Sword.
Three slashed at once and he dropped to one knee, holding his Finn Sword up as the three blades all crossed on top of it, before Finn shoved them back up, standing and spinning, severing those three heads and the heads of several other skeletons that had stepped forward to attack. The others began to back away, barely two dozen left, and a single silhouette stepped out of the trees. Finn turned toward the newcomer and readied himself.
"So you've been sending these things after me huh?" Finn growled. "Why? Who are you? What do you want?"
"It should be simple for a great warrior like yourself," the silhouette snickered as they stepped into the moonlight revealing green hair, rotted skin, and pointed yellow teeth. "I want...your head!"
Finn snorted and sprinted forward. The skeletons all blurred over, standing in a defensive column between the two, charging.
"Get out of my way!" Finn roared, carving into them.
Finn shoved the door open then slammed it shut again, the windows of the house rattling. Then they stopped and the house was filled only with the sound of rain again.
"Finally," Jake sighed. "Where were you?"
Finn didn't speak. He simply dropped the head he had removed from the witch's shoulder on the table in front of him. He jumped out of his chair, staring in shock before looking at the ladder to the bedroom where Finn had gone.
"Finn..." Jake breathed. "Poor kid."
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