Fate: digital battle

by donewithffnet

Enzan is bored, while Netto is chased by his own bad luck. What comes over the two are something much more complicated: The Holy Grail War.

1. Battle Invitation and Discount?

Fate/digital battle

By: shinigami-no-elie

A crossover anime of Fate/stay night and Rockman.exe…

Disclaimer: Fate projects and Rockman.exe do not belong to me…

Summary: 5 years after the damnation of the Cyber Beasts, Hikari Netto had been through several unlucky events, until he met a part-time merchant giving a huge discount for a battle chip he had searched all over. Ijuuin Enzan realized his life had been rather dull, until a mysterious knight-like navi showed up, challenging him. They don't know that all of these events will not only reveal their destiny as extraordinary Net-Saviors—but skillful magicians as well.

A/N: BTW, I took the timeline from the comics, since I haven't watched the anime versions… have to stay put till the stock arrives… sighs I don't know what comes over me to write this fanfiction…

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Part I

Battle Invitation and… Discount?

8.00am

The IPC Vice-President office

Enzan sighed.

Ijuuin Enzan had never sighed behind his desk full of papers need to be signed for the sake of the company. For some reason, he did and that brought questions to Blues, who appeared to be in the corner of the desktop Enzan used. Blues kept observing his unusual master's behavior, which later become concerned after Enzan buried down his head onto piles of papers.

Blues could take no longer silence. "Enzan-sama, are you feeling fine?" for Blues to be concerned is something worth noted in the history book. The asked operator lifted his head up with rather dull and bored look plastered on his face. Enzan looked at the navi for a brief moment and buried his head, not answering the red-tone navi's question.

If Blues' eyebrows were visible right that moment, they should be quirking at his master's behavior. Before Blues could ask anything, Enzan had already sighed again and lifted his head up, this time using both of his hand to hold up his head. "I am not really sure, Blues…" He said rather softly—something he thought he was not capable at all. His eyes wondered blankly throughout his office room, until his eyes caught on the metropolitan view from the glass window. He slowly stood and strolled over to the window, gazing blankly at the Densan City view.

"I'm bored…" Enzan said bluntly. Blues heard his operator and turned unsure. Even Blues almost suspected that the one standing there must have been an impostor—Enzan would never be bored even to be buried under the piles of papers.

Okay, maybe he would…

But for Enzan to say things bluntly like that, Blues never imagined that coming from his master's mouth. Blues wanted to speak up, but something in his programming told him to silence off and observe his master's condition again, thinking the right steps to do.

Enzan noticed the silence—he wouldn't mind that, but usually, at this time Blues would ask again if Enzan was alright. "Blues…?" Enzan asked quietly as he turned to his desk, noticing the red-toned navi was thinking of whatever he was thinking in the corner of his desktop. Enzan sighed again, for the 3rd time today. This drew Blues out from his thought, and realized that his master had been seated again.

Now Blues was worried…

"Does something bother you, Enzan-sama?" Blues asked in straight voice, although the hint of worry was faintly tainting the words. Enzan stared at the navi and rolled his eyes.

"Actually, no…" Enzan said. But before Blues could ask more, Enzan followed his statement. "But I was hoping something interesting would turn up today…"

Blues was quiet. "But nothing happened, sir…"

Enzan yawned. "I knew that… it's been so long since our last net battle, Blues. The worthy one… I just wished Hikari and Rockman are here so that we could battle them, again…"

"But they're out of the country recently, sir…" Blues said matter-of-factly. Enzan gave the navi the I-know-that-so-don't-bother-saying-it-again look. Blues went silent. "My apologies, sir…"

Enzan sighed again and returned to work. He picked the piles one by one, signing each and every one of them. As he scanned down one paper to the end of the page, he buried down his head again.

For the time being he just wished to get out from the mountainous piles of papers he needed to sign…

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8.00am

Netopia Square

Apparently, The Hikaris were supposed to have their holiday fun and soothing. Yet, as if bound to the curse of calling trouble anywhere, Netto's stroll over the square had not been fun, at all. Netto had yet strolled over the Netopia Square and then some goons showed up, trying to bully the brownish-haired teenage. Poor the goons as Netto gracefully avoided all their attacks and kicked them on the back. Netto only ran and arrived on a telephone booth. He saw a port there, and grinned.

"Let's browse the internet, Rock. It's been a while!" Netto said as he gleefully pulled out the jack and ready to go.

"Sure thing…" Rockman said lazily, drawing attention of his netOP.

Netto blinked. "Something's wrong, Rockman??"

Rockman smiled and… yawned. "Nothing Netto-kun… It's just that, I'm feeling rather sleepy… anyway, I'm fine… Where are we going now?"

Netto was rather suspicious, as hearing the word 'sleepy' from the blue navi had been rather… odd. Rockman used to be very active. 'He could be sleepy once in a while…' "You sure you want to do this? It seemed you're tired…"

"I am fine, Netto-kun… Let's jack in!"

"If you said so…" Netto said as he jacked in. "Jack in! Rockman.EXE transmission!!"

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"How are things there, Rockman?"

Rockman strolled over the Netopia Net server. The square was full with many kinds of navis. Even Rockman couldn't help but staring in awe as many navis went here and there, some jacking in and out. Net Dealers seemed to have their supplies sold out thanks to the crowded. "It is VERY crowded here, Netto-kun." Rockman said, still gaping in awe of the number of Net-Navis present.

Rockman walked along the road for sightseeing, knowing that Netto would love to know which chips to buy in the net. Straightly, Rockman went to the Net Dealer and scrolled the list of available chip.

"Netto-kun, looks like they only have TimeBomb2 for the time being. Hmm, it seemed they haven't restocked other chips yet. What about it?" Rockman asked his operator. Netto only heard the word "TimeBomb2" and nothing else as he exclaimed happily. "A TimeBomb2!! How much is it!"

Rockman was rather over his operator and asked for the price. It took him 10 seconds to realize the price was going to throw all hopes Netto could muster. "Uh, Netto-kun…"

"How much is it, Rockman!! Tell me!" Netto asked eagerly like a child wanting to have some prize. Netto stared hard at the blue navi which made him more uncomfortable each and every second.

"Err… It's 30,000 zennys for each…"

The world seemed to stop…

"WHAT!! 30,000 zennys for a lousy TimeBomb2!! That's just insane!!" netto screamed on the PET screen, making Rockman closed his ears with both of his hands. "Even A pack of Spreaders doesn't cost THAT much!"

"Actually, sire… I could give you 75 discount if you're willing to help me…"

Rockman and Netto turned to the Net Dealer, who appeared to be no ordinary Normal navi, but customized navi with short gray hair and red eyes, with no helmet on but his head headphones. He wore somewhat jet black war armor with some wavy motives on his left side and red coat down to his feet. His arms and legs are covered jet black, white-lined suit. His navi mark lied on his chest—like an asterisk inside the circle, with each side touching the side of the circle.

Netto blinked at the navi's statement. "That makes it… 7,500 zennys… FOR SURE!" the net dealer nodded at the happy statement of the boy.

"Yup, and only a single favor to ask. What do you say?"

"Netto-kun…" Rockman was about to object, but his operator had gone rather straight away nodding in agreement. Somehow, he thought Netto was easy to be bribed, but this? Okay, maybe in the same circumstances, Rockman would anyway. Rockman could only sigh and get on with the now-to-be-done task.

"I am expecting a new shipping of battle chips to arrive today." At the word "battle chips", Rockman turned his head to the Net dealer and listened as eagerly as his Op did. Having your hand to touch the first-arriving battle chips would be better remembered. "I want you to go to the Harbor1 area and gave this note…" the navi went still for a second and uploaded a file onto his palm. He gave it to Rockman. Rockman eyed the note first. But he could only quirked his eyebrows bewildered of the crest scribbled there—just a blue glowing streak crossing everywhere.

"…to the ship guard. He'll know what to do... Off you go now!" the navi said finally as he pushed the blue navi away from his store and watched him leave, pouting at how he was treated. Rockman turned left and disappeared from his view. Seconds later, his operator contacted him, in stern manner.

"How is it, Archer…? Have you given him the task?" a woman spoke to her navi. The asked navi, Archer.EXE, nodded as he looked to his raven-haired operator. She had long black hair, tied with in 2 ponytails. Her attire was invisible, since the screen only showed her face only.

"It's all green, Rin. Speaking of which, you really are going to pay for the rest of 22,500 zennys, right? We're just doing our part-time job here… the store is not ours…"

Tohsaka Rin's face went blank and browsed for her bank account…

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"Yatta…"

Enzan exclaimed thankfully at his now-finished jobs. Next to him, his pet was lying on the desk, plugged to the computer. At least now he could stretch his hands and legs out of boredom and surfed for the Internet. He sighed in relief and browse on his windows. Blues was in his sleeping mode in the corner of his desktop. Enzan was about to wake him up, yet he didn't as he knew, so long as he got his computer to browse internet with, there's no need for Blues to surf for him. After all, his navi should be tired from helping him sorting all document files in his computer.

He searched for anything interesting, but found none except the virus update and a report about permanent bug. However, he didn't pay it much mind as his boredom taking influence over him again. He knew there's nothing to relieve his boredom except for a net-battle.

Add that words—a WORTHY net-battle…

He might be an official, but and official without orders would make him more to be the vice-president of the IPC. And Enzan had resented that fact for a long time…

There's a small beep from his desktop. Enzan's eyes quickly went to Blues and—as he expected—saw Blues already 'waking up' from his sleep mode.

"A mail, Enzan-sama… Verifying code…" Blues paused for at least 4 seconds. Enzan blinked at the sudden silence and worried that Blues was crashing. No matter how little possible that would turn out, there's still a chance, since Blues.EXE is still data no matter what.

"Blues…?"

"It's an anonymous mail, sir…"

Enzan's left eyebrow rose in bewilderment as he heard the statement. 'Who would have e-mailed me… masaka, is it the permanent bug?'

Blues hadn't heard anything from his master, yet he still spoke, asking for the next order. "Would you like me to dispose or open the mail, Enzan-sama?"

Enzan stared at the red-toned navi until curiosity took over as he ordered, "Open the mail…"

"Yes, sir…" blues paused, again, and that made Enzan worried to death that if the mail was really a permanent bug. However, his worry vanished as he heard his navi moved again. "It's a challenge for net-battle, sir… and for the looks of it, this mail might have been sent from a hacker… the IP is blocked and can not be traced…"

'Hacker?' Enzan thought silently. Hackers were bound to be found in Undernet—a dangerous area even the officials couldn't handle. Even a hacker's navi only showed up once in while; for a navi to go virus-busting in that area, the operator should be very skillful. With hackers as the 'Under'-Programmer, some said the Undernet had been their labs for years. "Take it to the screen so that I could read it myself." Enzan ordered.

"Yes, sir…" Blues nodded and make the message visible to the screen. Enzan read the mail, wide-eyed.

To: Ijuuin Enzan, Vice-President of the IPC, Official Net-Battler

From: Anonymous

Come alone to the Undernet3 area today at 10.30am. I wish to have net-battle… and a talk. Don't bother to come with other people, or I would mess with your privacy. Trust me, having your 'identity' discovered is the last thing you want me to do.

N/B: this message is permanently set in your hard disk as a file and it can't be deleted unless you've gotten yourself the key for it (which I was holding right now). Don't bother to try Science Lab. This is a level V permanent bug, and the bug will grow and corrupt important data file on your desktop. Even the Science Lab can do nothing. Heh, even after 4 days and they hadn't gotten any clue on this bug. Man, I should say the Science Lab is getting slower…

Enzan face turned grim. 'Blackmailed… these hackers have no honor over anything, don't they?' Enzan thought as his eyes wandered to the red-tone navi residing on the corner of his desktop. "Blues, time." Enzan gritted his teeth. No way in hell he would let all his hard work today crumbled. He wouldn't want to get through the same bored day, again; not now that is. And if to prevent that is by net-battling, he would gladly accept that. 'The best medicine to my current boredom after all…'

"10.15am, sir." Blues said as he readied himself to go. Enzan nodded as he operated throughout his computer.

"Let's see if we can get into the Undernet area in, let's say, 10 minutes…?"

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Harbor1 Area

Rockman did what the Net dealer told him to and gave the note to the Ship guard. However, they were turned to another problem as the ship guard said that the lock for the shipment had been turned to viruses. Until now, there is no one capable of removing them.

"I'm very sorry sir, but it seems there's some sort of malfunction in the lock. Until it is fixed, I'm afraid you can't have the shipment just yet."

"No way… We are letting our 75 discount away! ARGGH!" Netto whined as he scratched his head out of fury. Rockman sighed and faced his operator.

"Netto-kun, calm down. We could help them. Let's try virus-busting these viruses and get the wares out." Rockman said calmly to his NetOp. After succeeding, Rockman turned back to the Ship Guard. "So, where are the wares, sir?"

The ship guard pointed a huge cargo ship not too far away, painted with black and blood red. Streaks of blue paint were visible only for the top boxes. As for the lower boxes was classically painted woody brown. "Your wares would be inside there marked with the same crest as the one in the note. However, please be cautious that the malfunctioned lock in door closing the storeroom is highly electrocuted because of the virus."

"We'll just have to beat the virus, right?" Rockman asked for confirmation. The ship guard nodded. With that, Rockman bowed thankfully and rushed towards the ship.

"…Rockman, did he say the door was electrocuted?" Netto asked worriedly. Rockman blinked at how uneasy his twin is. "Yeah, he did say so… what's the matter, Netto-kun?"

Netto was not only busy with watching over his Net Navi, but also some battle chips from his backpack. He was searching for any battle chips strong against thunder, yet…

"Shoot! I don't bring the Gaia sword!" Netto exclaimed so loudly that Rockman tripped his legs, just for suddenly hearing the brownish-haired operator. Netto skimmed down his cards and figured that there are only 3 leaf-based battle chips he currently carried. "More bad news… there are only 3 leaf-based chips to use later on. The rests are normal."

Rockman rolled his eyes and smirked. "I wouldn't be surprised, knowing if you're the one to operate me, 3 chips would be more enough than to complete this task." Rockman said as he kept running to cargo ship and jumped on to it.

"Heh… thanks for the support, bro… That must be the door, Rock."

Rockman looked at the steel door to the storeroom—it's not really a grand gate, or anything but simple ordinary door, except for the spark charges flowing rapidly, trying to electrocute anything in contact with. "Yeah, that must be it…"

Netto blinked. For some reason, Rockman said it to be—as if—uninterested to the door. But maybe his mind was playing with him, as Rockman was far more interested enough to step forward and looked on to the steel door and examined it closely.

Rockman was examining the steel door and jerked back as he saw some data flew over his head from the door. Acting on instinct, he simply took the data which hovered and he analyzed it rather unaware of what he's doing. He found nothing even after analyzing the worn-out part of the door data, however…

Rockman realized split seconds later that a buggy file jumped towards him from the worn-out data. Rockman reflexively jumped away as the buggy-file turned into which divided into 3 viruses. The viruses were all jelly like and black. Somewhat, he felt something very evil from the viruses itself.

"Netto-kun!!" Rockman exclaimed as he dodged one of the virus attack.

"I'm on it! Battle Operation set! StepSword!" Netto yelled as he downloaded the StepSword chip. Rockman quickly used the chip and step forward, slashing one of the viruses. To his surprise, the virus remained alive despite the fact it had been slashed. "Netto-kun!! It's not working!!" Rockman screamed as he dodged another attack and tried to shoot them with his Rock buster. However, instead of hitting at least one of them, the Rock buster missed them completely.

"Let's try others! TreeBomb3 slot in!!" Netto yelled as he downloaded the chip. Rockman felt his power welling up on his arm. His right hand was glowing with green light, revealing a green bomb. Ever so quickly, he threw it to the viruses. The bomb explodes with a big smoke. As it cleared up, Rockman could see the viruses were bound to the ground by the rising plants produced by the chips. Rockman sighed in relief and aimed the Rock buster to the viruses, eliminating each and every one of them with each shot. As the viruses were deleted, the steel door remained rigid and still.

"What was that all about…?" Rockman whispered under his breath. The viruses had scared him—true they're just viruses. But somehow, those viruses were different. Viruses don't radiate a dark aura around them, threatening to taint him, with something very scary and nerve-wrecking. No… Viruses usually tried to delete things. So what's the thing attacking him then?

"Rockman, analyze for any damages." Netto said sternly. He was worried, after all Rockman was once his twin and they still share the same bond. It's pretty obvious for him to feel the anxiety—or shock—of his brother. Netto could see Rockman nodded and went still for analysis through out the screen. Few seconds later, the green eyes flickered.

"Fortunately, no damages…" Rockman said briefly. Hearing that, Netto sighed relieved, not noticing the breath he'd been holding. "Still, what was that thing…?"

"They're plain, simple viruses trying to turn you evil… the simplest explanation for someone like you without confusing you…"

Rockman turned to the source of the voice. His eyes widened in surprise as he could see the same navi they met on the store sitting on the cargo. "You're that Net Dealer!!"

The gray-haired navi, namely Archer.EXE, smirked as he jumped down. "Actually, I'm not really the Net Dealer. I'm just taking part-time job. And since you've taken much time only to retrieve the shipment, I thought I could see how well you do… Seeing that viruses around, I don't think things have gone well…" his smirk turned to frown as he approached the remaining bits of data the viruses left. "Rin, you might want to upload the data."

"Of course, Archer. You know I'll need the sample. Start uploading now…" a raven-haired woman showed up from the screen behind him. Archer picked up the remaining pieces of data and remained still. Few seconds later, Archer muttered under his breath. "…Done."

"Just who are you people…? First second, you said that you're a part-time Net Dealer. But now, you're acting as if you're a scientist… Oh, and Netto was still hoping to get the discount…"

Archer lifted an eyebrow and turned to the blue navi. He was rather calm at time; however his Operator didn't seem to be happy at all after the blue navi talked.

"Actually, we—" before archer could talk for more, Rin gave him the let-me-talk-instead look in a death-glare way. Archer remained silent, even in the most uncomfortable way.

"Ehm… Firstly little navi, it's not appropriate for you to know us before you even introduced yourself and your Operator… Mind your manners when talking, please…" the woman said smugly as she lectured the blue navi. Archer could only shake his head disbelievingly at his Operator.

'This woman really CARED about whole formality things… oh well; we also need bit decency…' Netto silently thought. "I am Hikari Netto, Rockman.EXE Operator. Nice to meet you!"

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"Good gracious…"

Blues stood on the entrance to the Undernet dumbfounded by the view. Thousands of dead viruses AKA error files piled up everywhere as far as he could see. Killing a hundred viruses would be a snippet, but to kill a thousand?

"It seemed there's mass virus-extermination approximately 120 seconds ago, Enzan-sama…" Blues said, trying to keep his voice straight from awe and bewilderment. Somehow, he failed but Enzan didn't really notice it. Enzan's head was now filled with Blues' words.

'There has not been any evidence of any virus-exterminator capable of doing this less than 10 minutes… to actually think that this had been done for only 2 minutes…' Enzan thought silently as he reached for the morning coffee he'd gotten a minute ago. He sipped the coffee grimly, mind racing with all that had happened.

"Enzan-sama, should we proceed?" Blues asked his Operator, rather unsure if it's okay for Enzan. Enzan's mind was still racing but he nodded at Blues in a confirmation. Blues nodded back and went through the gate.

As Blues passed the gate, he felt strange—as though there's something deep inside the Undernet waiting for them. Knowing that those thoughts would disrupt his reflexive act later, he pushed out the thoughts and started walking.

After 3 minutes of walking without encountering any single foe, Blues arrived at the meeting place. However, as seconds turned to minutes, Blues became rather unsure. "Something is really fishy, Enzan-sama…"

Enzan gritted his teeth as he viewed the area. "I notice that very well…" Enzan opened the mail again, to check the mail, whether they got the right place. Enzan sighed. He got the place right, so where is the navi?

"I see… you've arrived 5 minutes earlier, Blues."

Blues turned to the source of the voice, sword lifted up in reflex. At the view, he lowered his sword as he saw a white-toned navi dressed in knight's armor designed for woman of the Middle Ages. However, her helmet was nowhere covering her face, as it covered upper part of his head, leaving strands of blonde hair waving on both of her side. Blonde hair was tied to the back of her head. Metallic wings sprang diagonally upwards from the side of her helmet. Sparkling blue eyes revealed itself behind those eyelids—a stern and strong demeanor residing in the character. Her hand was gripping a golden sword—her glory.

"Allow me to introduce myself…" the voice was cold and straight. "I'm Saber.EXE…" she held the sword in front of her. "…and I wished to fight you, O mighty warrior."

To be Continued

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N/B: I actually did this story! Woooohoooo! It's been a while!! Oh, if it's good, I'll update it… yet again, if others think this crappy… I might not be able to update this fic anymore. It all depends on you readers! X3. In any case, have fun reading! Waiting for reviews! LOL