Disclaimer: I do not own Fairy Tail or Fate Stay Night, any resemblance to any other Fairy Tail or Fate Stay Night fan fiction is coincidental and plagiarism is not intended. No flames please, constructive criticism only.
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Erza quickly found her way to a main street in the Extallian city. It was eerily quiet; the Exceeds had quickly deserted it to save their homeland. Freshly baked pies and other goods had been left unattended even shopping bags full of groceries had simply been abandoned in the streets as the Exceeds had all rushed to save their homeland.
'Where did she go?' Erza wondered to herself as she kept walking down the main street and towards the palace.
She stopped suddenly as she heard the sound of breaking stone; looking to her left she saw a house in the air ready to come down upon her. Her sword was out in a flash carving the building apart only to be smashed into the ground as Knightwalker was inside the building ready to strike as she defended herself from it.
As the blackened Holy Sword met her own, Erza felt and heard the ground crack beneath her as Knightwalker pushed down against her. She used the invisible air to push Knightwalker away forcing her to backflip a short ways away.
"I read your journals in your room," Erza said. "I know what happened to you and your father."
"If you're going to give me some speech about how revenge isn't worth it then you can save your breath," Knightwalker growled covering her blade in mana. "It's all I have now!"
She lunged at Erza who parried her attack and countered only to be blocked herself.
"I know, that's why I pity you," Erza told her blowing Knightwalker away with a blast of invisible air. "Even if you succeed and have your revenge then what? You'll be nothing but a permanently angry mad dog without any direction or purpose."
"And SO WHAT?!" Knightwalker yelled as she used her own invisible air to jet boost back to Erza and blast her with black mana from close range. As Erza flinched she took the initiative and began driving her back. "The only way for you to go home is to reverse the anima and if that happens all of Edolas's remaining magic energy will disappear. You also know that without magic power the medicine I need to live can't be made anymore. The king's wish for unlimited magic power is the only way I can keep living."
Black mana envelope Knightwalkers sword and she began pushing own against Erza.
"And so we get to the heart of the matter," Erza grunted. "I can see why you want revenge, this is the perfect setup, you can wipe out those you hate and save yourself at the same time. I sympathize with what to happened to you, but even so, I can't stand by and let you just help commit genocide!"
"Do you really think that the Exceeds never abused their positions?" Knightwalker asked as Erza pushed back against her.
"Of course I don't I'm not naïve," Erza growled as her sword light up with a golden glow as Knightwalkers became enveloped in black. "I just don't think mass-murdering those who had nothing to do with what happened to you will help you."
"SHUT UP!" Knightwalker screamed as an explosion of gold and black enveloped the two.
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As she blocked a blow and was forced to trace another Kanshou after the one she was holding broke, Archer had to admit that mistakes were made. She couldn't help but think of Shirou as her younger self from the Holy Grail War and that mistake had put her on the back foot. Though her other self still held onto those naïve ideals, she had the skills to back them up now.
Unfortunately using the Blade Works didn't help as any rain of swords would be countered with the exact same move cancelling it out. Every Noble Phantasm was met with a duplicate. At this rate, Archer might actually lose if she didn't get an advantage.
"It seems we've repaired the Blade Works," Archer said deflected a blow but was forced to take a step back, Shirou kept pressing the advantage. "You can feel it too right? The swords are no longer infesting our bodies."
"I can, which means I can fight at full force without endangering Wendy," Shirou replied her concentration not budging in the slightest, as she jumped and brought her blades down on Archers own.
Both sets of sword broke and Shirou backflipped into the air, tracing her own Kanshou and Bakuya in time to deflected sword shot by Archer and landing a short ways away.
"Right, there's two of you in there because you can't reincarnate properly."
"What of it? It gives me an advantage, over you, because you rely on projection way too much." Shirou stated.
"And you don't you hypocrite?"
"Not entirely." Shirou's leapt at Archer quickly closing the gap, as this happened Shirou's skin lost its tan, her hair became dark blue again, Kanshou and Bakuya had gone, Wendy had switched and her hands were before her mouth like a trumpet. "SKY DRAGONS ROAR!"
Archer screamed as she was blasted by the massive tunnel of air dragged along the ground before smashing into a large sword in the ground. The impact kicking up smoke. Shirou quickly took back over and began charging. Not a moment too soon as she projected the twin blades and deflected a sword fired from the smoke, then another and another each quicker than the last.
The smoke cleared revealing Archer with her bow. As soon as she closed in Shirou sliced the bow in half and kicked Archer across the face sending her sideways.
"Fine, let's finish this!" Archer traced a familiar golden sword, realizing what he was doing Shirou did the same, feeling her magical energy noticeably dip.
"EXCALIBUR IMAGE!" Both fighters roared clashing their fake holy swords against one another causing a massive golden explosion.
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Down in the throne room, just as Gajeel happened to be getting bored a familiar screaming got louder from above.
"It's about time." He smirked as the ceiling shattered and fiery comet smashed into the ground.
Natsu had arrived bringing the king down with him. When Natsu bounced out of the way Gajeel acted.
"Iron Dragon Club!" Gajeel turned him into a club and smashed the king towards the throne. Then as he was on throne Gajeel inhaled. "Iron Dragon cuffs!"
He spat out five bands of metal which forcefully restrained then kings arms, legs and neck to the throne.
"Ice-Make: Freeze!" Gray followed up by freezing the king up to his neck in ice just to make extra sure he could escape.
"What is this?!" he demanded disoriented from the impact. "Release me at once! I am the king!"
"No Archimedes, my father is long dead, we both know that," Mystogan stated.
"You!" Archimedes growled, "It's been you who had been blocking my anima all these years, the former prince of Edolas."
"Prince?" Natsu asked as he stood up.
"Archimedes invaded my father's body years ago, he has been behind all the suffering of all these years." Mystogan stated "But how did you create the Holy Grail? You're not a mage you shouldn't have been able to do so by yourself, never mind the fact that Edolas doesn't have the proper materials for it."
"Jellal, there is so much you do not know and besides that, you are too late!" Archimedes yelled as a golden light shone the through the hole in the roof.
"Is that Excalibur?" Gray asked looking up.
"What the hell is happening up there?" Gajeel wondered keeping an eye on the king.
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Erza and Knightwalker now lay on the ground both gasp for breath, beaten and exhausted. Erza lay on her stomach with Excalibur Morgan nearby, but her own Holy Sword was near Knightwalker who was leant against a ruined house.
"Just give up," Erza demanded through breaths. "Without the giant Lacrima, you can't make your wish now. You don't have enough power."
"That is where you are wrong." Knightwalker chuckled. "The Giant Lacrima colliding with Extallia was merely a trigger, you see Edolas has just enough magic power left to fully charge the Grail, but the grail needs a large enough magical explosion to start sucking in the magic energy. So if we can't use Plan A then we'll use Plan B!" Knightwalker clumsily got her feet and grabbed Excalibur. "Extallia is riddled with magic lacrima, one large enough surge and they all go boom!"
"NO DON'T!"
"We are the same heroic spirit, we are both Arturia Pendragon and therefore Excalibur should always respond to me no matter what!" Knightwalker raised the golden sword which began to glow "EXCALIBUR!"
She plunged the sword into the ground. The golden glow poured out of the sword into the ground which rapidly began to crack and the glow spread in its wake. Knightwalker began to cackle like she'd lost her mind and dove into a rather solid house nearby as a loud booming shook the floating island.
Erza pushed herself up and watched the palace fall apart as a golden glow shone from within it. She sprinted and grabbed Excalibur from the ground, not that it made a difference now. Excalibur Morgan was gone, Knightwalker having dismissed it. Erza then dove into the house with the laughing Knightwalker as the shaking and booming got louder. Then golden light spread from the cracks and then the ground erupted and a loud boom filled their ears.
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The golden light had caused the battle between Fairy Tail and the army to stop as they gaped at the fading light and small bits of fall land where Extalia used to be.
"It's just like my vision." Shagotte cried "Extalia has been destroyed."
"But no lives were lost at least," Mysdroy noted.
"Now men, RETREAT!" A soldier yelled.
"YES SIR!" All of the soldiers echoed now fleeing on their legions down towards the capital.
"They're all running away, but why?" Happy wondered.
"Can't you feel it?" Lucy asked. "The magic energy."
"Magic energy is vanishing at a rapid rate!" Muganto cried fearfully
"How is this happening?!" Mejeer yelled
"Crashing the lacrima into Extalia was Plan A." Lucy stated "When we put a stop that this was Plan B, to suck up all the remaining magic power in Edolas so the Holy Grail could be fully charged and a wish made. Extalia was rich in magic lacrima, using the Holy Sword set off a massive chain reaction, the magic energy burst must have been what the Holy Grail needed to awaken."
"Well the human king did say he wanted unlimited magic power so it should be fine shouldn't it?" Muganto asked
"No." Everyone looked to Lucy "He lied to everybody I assure you unlimited magic power is not something he cares about nor is the safety or future of Edolas."
"So what do we do?" Happy asked.
"Down to palace to finish this." Lucy summoned her Vimana and began to descend down towards the palace, the others pausing before following her.
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Shirou and Archer both lay on backs gasping for air. The Reality Marble had collapsed and false Holy Swords vanished guzzling up the magic energy of both combatants before too much damage could be done.
Both of them looked over to the golden light which enveloped Extalia before exploding and destroying it.
"Looks like we won." Archer sighed.
"You basta-GACK!" Shirou was yanked onto her feet as Lucy was passing by and forced onto the Vimana along with Archer.
"Come on you fools we're at the final act now," Lucy said with a grin.
"Are you crazy?" Archer grunted.
"Fool, your king has been lying to you and you are about to him confess." Before Archer could object further the Vimana sped on down to the city, through the rushing of the wind none of them heard Lucy snapping her fingers.
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Unseen, a Golden portal appeared high above near a pillar, out of came a small floating camera which focused on the king.
"Extalia, you destroyed Extalia!" Mystogan yelled.
"Indeed, I have won, soon my Holy Grail will be fully charged."
"Hey, I feel weird," Gajeel complained.
"I see." Mystogan realized. "When you couldn't harness the magic energy from the collision with the lacrima and Extalia you just destroyed it?"
"Indeed, the Grail required a large enough flare blast of Magic Power, if the lacrima and Extalia colliding could not be provided then the Holy Sword Excalibur would more than suffice as a replacement," Archimedes smirked. "That feeling is the Holy Grail sucking the magic energy from all of Edolas as was always the plan when it reaches full capacity it will be ready to grant my wish. While the King of Heroes delayed my plans you Jellal have provided the solution, so I will require two wishes, and I'll get the second by escaping to Earthland and leaving this doomed world to its fate."
"Doomed?" Gray echoed,
"Rivers, and large landmasses in Edolas float because of magic, when it goes they'll crash into the ground, floods, earthquakes, tens of thousands of people will die don't you care?!" Jellal demanded angrily.
Suddenly more rubble came crashing down from the ceiling. Out of the smoke, Erza had landed nearby, coughing to clear her throat of the smoke.
"Of course not, human lives are worthless, weak, and pitiful and in the end, only despair remains when they die, Knightwalker is proof of that."
"Knightwalker?"
"Indeed, I set up the meeting with the Exceed Queen who had the cure for their illness even though I already had created it myself."
"You fiend, you had the cure for her and father but you let him die?" Erza growled.
"Of course, The Grand Architect knew too much and so he had to go," Archimedes said gleefully. "Dying of illness kept my hands clean and as a bonus put Knightwalker on my leash when I told her that told my plan would cause the extinction of the Exceeds she was all too happy to obey my every order. Exterminating guilds, wiping out rebellions she was the perfect attack dog."
"Evil bastard."
"It's time to show people your true face." Jellal declared summoning Arondight. "O' Sword of the Lake, use your power one last time, NOW!" He slammed the sword into the ground, sending magic power down into the earth. "Romani Knightwalker spent many years planning for this day, he told everything his plans, your plans and how we were going to defeat you."
"Oh, and just how are you going to do that?"
"Simple, Romani Knightwalker, planted lacrima beneath the capital. Lacrima which I have charged by divided my powers as a reincarnate planting those powers into them."
"Oh ho, so you have planted magic lacrima what of it? They are merely points, they will not activate without a circle that is a basic rule of Edolasian Circle Magic." Archimedes pointed out.
"I do have a circle, it's one of enormous size and power, and using the last of my power it has activated!" Jellal declared.
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Far above as they were descending several points of light in the city began to shine.
"Look at those lights." Happy yelled.
"They must be magic," Carle said.
Suddenly the light erupted and became part of an intricately patterned magic circle.
"A magic circle, what is it doing?" Wendy asked.
"It's putting an end to this charade," Lucy stated as they closed in on the palace, several bolts of light converged and came down into the centre of the palace.
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Bolts of magic power came down as a pillar and slammed into the king causing him to cry out in pain. The Ice shattered and the iron cuffs flew off as well.
"Now, you bastard show everyone your true form!"
"What have you done to meeee!" Archimedes demanded.
"I've severed your connection to the Holy Grail the only thing hiding your disguise together," Jellal told him as Lucy and the others descended into the throne room.
The king began inflating like a balloon, his flesh bulging unnaturally.
"Oh, that's gross." Happy stuck his tongue out.
Just as he looked ready to burst shafts of light erupted from his flesh blinding everyone as the light changed and then dulled down. When everyone could see again, in the kings' place they saw a humanoid figure with blood-red skin, and large orange eyes covering nearly all of his body which bulged outwards looking in all directions before focusing on them.
"We are Archimedes/Amdusias," It said in a dual-tone, the voice of Archimedes and another deeper more powerful voice.
"Amdusias Who's that?" Wendy asked
"It is one the seventy-two demon god pillars, familiars of a mage know as King Solomon, he was quite powerful in his day," Lucy explained. "They were all supposed to have wiped out, but it seems this one escaped and crawled away like a worm."
"We floated in the void drifting and helpless when we encountered one another's decaying spirit origins. Our goals aligned and so a bargain was struck." Amdusias explained. "We crashed to this world through a tiny crack, we possessed the king when he agreed to our offer and consumed his spirit. Our body was then forged into the Holy Grail and through the Crack, we brought the Ark with the White Titan. With it, we planned to recreate the union of Goetia with the White Titan as a vessel and continue our work. You have delayed us King of Heroes but you have not stopped us."
"I'm afraid for your time is up," Lucy replied summoning the camera to her hand. "With this, I broadcasted all of these events to the four corners of Edolas, they saw your confession and what you really look like."
"With that, I can hopefully pull the kingdom through the dark times ahead," Jellal stated. "It will be hard helping the kingdom adapt to not having magic but we'll pull through somehow."
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In a chamber, the Holy Grail began to shake, gently at first and then violently before finally it began shining and abruptly flew upwards sucked away by the Anima above the city which had now opened.
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"Good luck Mystogan," Natsu said giving him a thumbs-up as they all began being taken by the Anima including the king, except for Coco, Archer and Jellal.
"Fair well, Fairy Tail," Mystogan said with a smile.
"Bye everyone, take care," Coco said with a wave.
The king vanished first, them Fairy Tail followed, and the Exceeds last, both those trapped in Lacrima and not.
"I'm gonna miss them," Coco said.
"More importantly," Archer said walking up to Mystogan. "The Kingdoms gonna be in chaos, I hope you're up to it your majesty."
"Yes, so do I." Mystogan nodded. "We'll need to begin preparations right away, non-magical methods of growing food and gathering water will need to be created. Some of the conquered lands held such knowledge, we must have hidden it somewhere I know for a fact my ancestors were not wasteful, no matter the view of the knowledge.
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Amdusias opened his eyes and saw a tunnel of light zooming past them. They were in the anima, they chuckled victory was still in their grasp.
"What's so funny?" They looked to see Fairy Tail floating in front of them.
"You are in so much trouble." Happy yelled before everyone moved aside to reveal Natsu, Wendy and Gajeel.
"Iron/ Sky / Fire dragon ROAR!" A trio of elemental blasts enveloped the demon causing them to scream out in pain.
It was then they realized, they had the power to defend themselves or fight back.
"EXCALIBUR!" Erza struck leaving a golden trail of energy across their chest.
It was too much another blow and… no, they couldn't die here not when they were so close.
Lucy appeared and laughed. "I could finish you, but I think someone else will want to do that."
Lucy moved aside revealing Erza Knightwalker with a steely glare on her face.
"Knightwalker I am your king, I command you to save me. DO AS I ORDER!" Amdusias and Archimedes demanded.
"For my father." She yelled lunging forwards and plunging her sword into their chest.
"EXCALIBUR MORGAN!" Black energy roared forth from the Holy Sword.
Amdusias and Archimedes barely realized that they were screaming as Knightwalker then kicked them free from her sword and sent them spin away. As they did so they saw the golden chalice floating freely through the vortex. They reached for it, only for Knightwalker to slash it splitting in two, both halves passing floating through their grasp and vanishing from sight.
When they emerged from the Anima above Magnolia Amdusias and Archimedes couldn't hang on. Their Spirit Origin shattered and they exploded like a massive firework above the town leaving no trace that they existed in the first place. The last thing they saw a pair of golden light flying away in opposite directions and before darkness took them they laughed. Though they would be gone, the greed of humans would the vessel of their vengeance.