Darkness has always had its part to play. Without it, when would we know when we walked in the light? It's only when its ambitions become too grandiose that it must be opposed, disciplined, sometimes--if necessary--brought down for a time. Then it will rise again, as it must.
--Clive Barker, Abarat
Time goes on, and the same things always happen. Evil will appear, to challenge whatever good lies, and a hero--or, perhaps, heroes--will arise to defeat this evil. It isn't strange, or odd, but normal. It only starts to change when evils cross over, to fight other heroes. But then, it's still normal. Evil is struck down, and good shall prevail.
But, what about after all evil is gone? When there is only good left? Things change, for the worse. Because in times of peace, the greatest of evils shall rise up. This is a story, about that great evil. This is a story, about heroes of many worlds working together to defeat a common foe.
This is a story, about the new battlefield. It is not any of their worlds, but a different world. It is new to them, but still is familiar to most of them. It is strange. It is peaceful. It is good. It is bad. It is earth. Our earth. And now, what will happen, when their war, comes to our world? Only time can tell. Until then, we can only watch, and hope to survive the final battle.
Who is this villain? you might ask. The one who brought the war to our world. It is unknown where he came from, who he is, what he is. One thing is known of him. His name. The villain's name is just one word. He is Omega.
Day 1: Barcelona, Spain
"I live in a city open to the sea, kind to the visitor, with beaches, with wild boars, with a Sònar Festival; I live in a city made of the sum of little towns and of big cultures; I live in a modernist / contemporary / modern / ancient / gothic city; I live in the city of design, of art, of Mrs. Rose, of the bravas potatoes, of the building works in Lesseps Sq.; I live in the Eixample, in the Montbau, in the Guineueta, in Diputació St., I live in Barcelona"
--Advertisement by Barcelona City Hall
"Storm clouds all over the west coast."
"Funnel clouds in the Midwest."
"Seas are churning off of Long Island."
"Los cielos son negros."
"Le tonnerre va comme partout Paris fou."
"Wir sehen Zeichen von Tornados."
Storms. Everywhere. Well, they weren't everywhere just yet. Mostly America and Europe at the moment, but the storms were spreading, consistently. Canada, Mexico, South America, Africa, Australia. Thunderstorms, tornados, monsoons, the whole shebang.
Normally, a storm wasn't strange. Even storms widespread. But storms over the entire world? That never happened. But people didn't let themselves worry about it. After all, there was more important stuff to worry about that a few storms. Things like lost jobs, the failing economy, what seemed like a million wars going on, people protesting. It just wasn't important, the weather. The only thing the weather affected was whether they would need to take an umbrella to work. If only they knew.
Green Hill Zone . . .
Sonic raced through the Green Hills, so fast that he knew he was closer and closer to breaking the sound barrier. Again. He felt the wind rushing by him, trying to fight his speed, but nothing could stop him from getting to his target. Except for a rock, right in the middle of the path.
"YAAAAAAHHHHH!!!" The blue hedgehog went flying through the air, skipping over quite a bit of the land in the process. He didn't stop immediately when he landed, but instead skidded along the ground on his stomach. "Ohhhhh, that hurt." Sonic pulled himself off the ground, and shook himself out. "Times like this make me wish I could fly." Out of the corner of his eye, he spotted a glimmer of blue. He walked to where he spotted it, and pulled something out of the dirt. "The Last Chaos Emerald!" Exactly what he had been looking for.
He tucked it away with the other six. Eggman hadn't shown up in a while, so Sonic was searching out the Chaos Emeralds while he had the chance, so that Eggman couldn't use them in whatever crazy plan he had.
A swooshing sound came from behind Sonic. He turned around, to see that a portal of some sort had appeared. "What's this?" he asked himself. Sonic stepped toward it, and examined it. He couldn't see through it, since it was swirling violet and black. A shadow was suddenly cast over Sonic. He gulped. "That can't be good." Somebody kicked him from behind, and sent him into the portal, which dissolved into a dark mist, before dissipating into nothingness.
Amity Park . . .
The ghost boy, also known as Danny Phantom, was flying through the sky without a care in the world. No ghosts were around, his parents were off on a spa retreat--he did not want to think about his dad in a swimsuit--and best of all, no homework! Life was good.
Unknowing to him, somebody down on the ground was watching him fly. "Idiot. Not even watching out for anything." The person raised a hand, and a blast of energy flew at Danny.
The teenager saw the energy blast coming at him approximately two seconds before it hit. An electrical charge shot through his body. He screamed in pain, and fell to the ground. Danny lay spread-eagled, and changed back into his human form. "What hit me?"
"Me." Somebody grabbed the front of his t-shirt, and threw him. Danny flew through a dark portal, and was conscious for barely a second before blacking out.
Barcelona, Spain . . .
"Yo, dude, wake up." Danny opened one eye, and thought he was hallucinating. If he wasn't mistaken, there was a blue, talking hedgehog standing over him. "Hellooooo? Wake up!" A bunch of water was dumped on his face, and Danny woke up really quick.
He looked around, and there was that blue hedgehog. He mentally shrugged. He had seen weirder things than a talking animal. Granted, most of them were ghosts, but still. "Where am I?"
"Heck if I know. Name's Sonic," the hedgehog said.
"Danny," he said.
"So Danny, have you seen a gemstone anywhere?" Sonic asked. "About this big?" He made his hand into a fist. "One's yellow, one's purple, and the third is grey."
"The only time I've seen a rock like that is at a museum," Danny said, remembering the class trip to the Museum of Natural History. "But I could help you look." He closed his eyes, and turned back into his ghost form. Sonic jumped back in surprise. "Hey, warn a guy when you're going to do something like that. You almost gave me a heart attack." He sighed. "Whatever. C'mon, let's check the city. We're bound to find one of them."
Danny flew low and fast, while Sonic ran. "So what's the deal with these gems?" Danny asked.
"They're called Chaos Emeralds," Sonic replied. "Each one has a ton of power in it, so they're a big target for bad guys to go after. Get all seven and you're almost unstoppable, though there are a few exceptions." Sonic thought of the werehog deal. "And you, with the ghost thing?"
Danny explained how his parents were ghost freaks, and how he had become a hero with his ghost powers after the accident with the Fenton Portal. "I was flying around, somebody zapped me, next thing I knew I was here."
"In another world," Sonic said quietly.
Danny stopped completely, and it took Sonic a second to get back to him. "Hold on, what d'you mean, 'another world?' I mean, yeah, this place is different, but another world? What could make you so sure about that?"
"I've been to another dimension, inside a storybook, and turned into a werehog," Sonic said bluntly. "I think I know when I'm in a place that isn't my own world."
NBNBNB
Sonic was running at top speed, trying to get away from the crazy woman chasing him. Man, you just can't get between a woman and her gems. He slid around a corner. The woman kept on going straight, luckily for him. "Man, the people here are even crazier than the ones back home." He tucked the yellow Chaos Emerald away. "Wonder if ghost-kid found one yet."
A hand came through the wall, holding the gray Chaos Emerald. "Looking for this?" Danny stepped through the wall, and handed Sonic the emerald. "It was in a jewelry store. Took me two seconds to grab it. You get away from that hag?"
Sonic nodded. "That leaves us with one more to go." He gave Danny a thumbs-up. The gray Chaos Emerald suddenly began to glow. It started pulling Sonic in another direction. "I think it's taking us to the last emerald!" He went in the direction the emerald was trying to go, following the magnetic pull of the seventh Chaos Emerald. Danny followed him, going invisible.
NBNBNB
The pull of the Chaos Emerald finally stopped, right in the middle of Barcelona. People were staring at Sonic, but he wasn't paying attention to that. No, he was just thinking about the fact that the pull had stopped, but there was no sign of the Chaos Emerald!
"Where is it?" he asked nobody in particular. Danny landed beside him. "This is really weird. I mean, where is it?"
Danny sighed. He tucked his arms behind his head, and spun around. His luminescent green eyes widened. "Uh, we've got bigger problems than a gemstone, Sonic." The Blue Hedgehog turned around. "Way bigger."
A giant, mostly black centaur was pawing the ground. A strange red emblem was on its chest. It had a bow in hand, with a glowing red arrow in the bow. It shot the arrow at Sonic, who dashed out of the way. "Whoa, somebody's been eating their vegetables."
Ectoplasm blasts shot from Danny's hands, and the Centaur stumbled momentarily, then shot an arrow at Danny. He created an ectoplasm shield just in time, and the arrow shot back at the Centaur. It avoided it, and galloped in a circle, faster and faster, until it appeared that there were five different Centaurs. Each one drew back the string on their bow, and loosed an arrow. Five arrows hit Danny, each one giving him an electrical shock.
Sonic jumped into the air, and dashed through the air at each one of the copies. Four vanished into puffs of smoke, and the fifth got knocked back on contact with Sonic. It drew back its bow, and three golden arrows appeared in it.
"Okay, that's just a lawsuit waiting to happen," Danny said. The Centaur shot the arrows at them. These ones didn't make electrical shocks, but instead exploded on contact with the ground.
"What's with this guy?" Sonic said. "Every time we get a hit on him, he just throws something back ten-fold."
Danny suddenly got an idea. "Get ready, and don't try to fight." Before Sonic could say anything, Danny turned intangible and leapt into Sonic's body. Sonic blinked, and his eyes turned into Danny's luminescent eyes.
"All right!" Danny-in-Sonic said. "This should help us out a bit." He jumped up, and sped after the Centaur. He ran around it a bunch of times, sending blast after blast at it. "Wait, how do I stop!!!" He went speeding into a wall, giving Sonic control over himself for a second.
"It takes a lot of practice," Sonic said. "You can't just pick it up in a second." He blinked.
"Hey, do you have a better idea?" Danny said. He blinked.
"We have to work together. Give me some control, and I'll take care of speed. You just fire at him."
He blinked again, with Sonic's right eye remaining his natural green, while his left eye glowed like Danny's eyes. When he spoke, their voices overlapped. "Let's go!"
He ran at the Centaur, blasting it the whole way. He jumped into the air, and ectoplasmic energy surrounded him as he smashed down on its head. The Centaur staggered around aimlessly, but shook it off. It pulled back it bow, and fired arrow after arrow. He avoided each one easily, and charged at the Centaur.
Energy surrounded him as he nearly broke the sound barrier. He jumped up, and charged straight through the Centaur's chest. It screamed in pain, before falling to the ground. It dissolved into darkness.
Danny phased out of Sonic, and turned back to human in his exhaustion. "Geez, Louise! That thing was a pain. At least we got rid of it."
Sonic wasn't quite of the same opinion as Danny. "That was amazing! And genius to think of overshadowing me to use both of our abilities!" He grabbed the Gray Chaos Emerald from where it was on the ground, and tucked it away. "C'mon, slowpoke! We've got work to do!"
As Sonic rushed off, Danny watched him run. "Does he ever stop moving. Ugh!" He fell back, and fell asleep, into sweet dreamland.
Author's Note
Okay, so this is my first Crossover. I've made some stories before, so I know how to write. I've also read some crossovers before. But I haven't writeen a crossover myself. So I hope it's okay. The villain, you know, "Omega," isn't going to be introduced for quite a few chapters. And I really can't deal with either the fourth wall breaking, like some spanish kid going "Esta Sonic el Erizo! (It's Sonic the Hedgehog)" or the characters from worlds that aren't advanced as ours going nutty over technology.
BTW, the bits at the top after the english phrases are spanish, french, and german respectivelly. The first one means "The skies are black," the second one means (roughly) "There is thunder all over Paris," and the third means "We see indications of Tornadoes."