Short note before we begun this story. I usually find kind of cringe when in an english fanfiction there is an excessive use of -Kun, -Chan or other Japanese terminology just for the sake of it, so I'll refrain for doing so. I'll try to translate the way they refer to heach other when it's a nickname, like making "Ran-Neechan" become "Big Sib Ran", or "Aniki" turning into "Big Bro". Let's see how it turns out.

Also, I'm sorry for grammar or spelling errors. English is not my first language and I don't have a Beta. Fans of my other works should already know about my struggles to find one that didn't dump me after a month.

Anyway for more general informations on the fic or for my opinions and stuff like that, please go to the Author's notes in the end at the chapter.

Dialog Types:

"Dialog"

"Dialog in thoughts/Memories"

(Thoughts)

Magic/Noble Phantasms

- Chapter 1 : A New Case -

A loud Yawn escaped from the lips of a kid walking beside the road with his friend. To most people he would appear as a normal brown-headed kid, blue eyes behind a big pair of glasses, wearing a blue blazer with a read bowtie and a pair of shorts.

"You've been yawning all morning at school. Did you have some problems sleeping last night Conan? " asked with concern a girl wearing a pink dress.

"Uh? Oh, yes I-" begun the boy before pausing for a second "-I had a bad dream because of an horror movie Uncle Kogoro watched before going to bed. Nothing to worry about, Ayumi." (Can't tell her I stayed up all night thinking about a case.)

Indeed he was, as Conan Edogawa was actually none other than Shinichi Kudo, famous teenager detective, mysteriously disappeared almost one year prior.

"I know how you feel. I remember this movie about a ghost girl infesting an houted house, the characters disappear one by one in very creepy ways. I didn't sleep for days after I saw it!" Added a plump kid a little bit taller than the rest before a scrawny boy elbowed on the side "Come on Genta! Your not helping him with that story!"

"OH! You're right Mitsuiko!" exclaimed the kid before addressing the young detective again "I'm sorry Conan."

"It was just a movie, he'll be over it in a day. You know how he is." Scoffed another girl with brown hair and a more mature attitude.

"Have you ever watcher any spooky movie Ai?" asked again the pink-wearing girl to her brunette peer.

"Yes, I've watched a lot of them. Never found one that actually scared me though, they all look so fake even a baby would be able to notice. I guess Conan is just not bright enough." she concluded by shrugging and smirking towards the young detective, knowing the comment would irritate him.

The boy decided to change subject, not wanting to encorage her "By the way, does anyone have any programs for the spring break?"

"Yes! I'll go to Hokkaido with my parents. I can't wait to try all the local foods." exclaimed a drooling Genta.

"Is there a moment when you don't think about food?" inquired a jocking Mitsuiko.

"Is there ever a moment when someone doesn't need to?" replied the plump boy with a genuinly confused expression.

That propted everyone in the group to start laughting as Ai took advantage of this and approached Conan while whispering "Have you figured something out yet?"

"Nothing of value unfortunately. The culprit is really good at covering his or her tracks!" informed the boy witha sigh.

What he was referring to was a strange case that was brought up at the agency a week prior. A series of murders of homeless people occuring all around Tokyo. Every victim was found in an abandoned building killed with a precise cut to the throat and they all had important organs like heart and lungs removed with the same surgical experties, having apparently been taken by the culprit, as they were never found. Another strange aspect was the lack of blood on the scene, as well as any other trace of the killer, meaning they were probably all killed in a separate location.

(The police wouldn't even have found out about them if one of their own wasn't between the victims.) Thought Conan as he remembered agent Takagi visiting them to explain how they had sent one of their man undercover to catch a drug dealer that used homeless people to distribute his pruducts, to eventually find the policeman's body on the other side of town in the same conditions as the other victims.

At first they thought the dealer had found out about him, but after further investigations they found the other scenes and linked them to a single serial killer. It seems they hoped "Sleeping Kogoro" could found out the culprit, expecially Takagi, as he was friend with the man.

"I just stayed up all night looking at the photos of the crime scenes. I don't know why, but I keep feeling there is something out of place in them, beside the dead body of course." continued the young detective.

"You relying on instinct instead of logic? That isn't like you." commented Ai in a fake surprised tone.

"That is not true! In a lot of cases what we in the detective business call 'hunches' can prove invaluable, and should always be followed. I'll find out what it is eventually."

"Suit yourself." she shrugged "Just try not to have too many sleepless nights, it's not good for your growth."

They boy rolled his eyes "ah-ah, very funny. My question was for you too, by the way. Anything in particular planned for the holiday?"

"Nothing much." explained the girl "Just trying to finisch the stupid assignement they gave us as fast as possible, so I can go back on working on the cure for our condition."

"Oh, yes. 'Choose a book you like, read it and write a small report about it. No lenght restrictions'. At least this time the choice is free and not between a couple of boring kids books. What are you bringing?"

"I was thinking about 'The Comedy of Errors'. It's a light read and at least it's funny."

He chuckled slightly at that "Only you could consider anything written by Shakespear as a light read. Would't people wonder about a kid reading that?"

"There's only so much kid stuff one can be subjected to before going insane. I'll just say professor Agasa gave it to me because he thought I could like it. Also, you are the one to talk? I bet your gonna bring yet another Sherlock Holmes story." She argued.

"Hey, I loved them even when I was a kid before, why is it so difficult to imagine someone my current age liking mystery novels?"

"Are you too talking about our assignement?" interrupted Ayumi, having appeard between the two "I'll like to bring something romantic. A story about a princess saved by an handsome prince. Aah!" she sighed.

"I prefer something with more actions like an adventure novel or a police story." addded Mitsuiko turning around and making a gun gesture with his hands, Genta joyining him with a "Yeah!"

The young detective was amused at the kid's anticts and decided to hold the thoughts about the case for later (I'll find out who the culprit is. I just hope to do it before he strikes again.)

- in another part of town that evening-

Two lone figures were walking in the dept of night. Both of them wearing black trench coats a black fedora. One of them was tall, with silver-blond hair flowing behind him to the base of his back, while the other, shorter, stokier and also wearing dark sunglasses, was walking behind him.

The blond one had his phone to his hear while looking around the place, as if searching for any sign of movement, his green eyes were cold, like the ones of someone who kills without regret. The moment the call got through he immediatly spoke "Was the delivery successfull?"

On the other end a shrill male voice could be heard "What Delivery? OH! We are talking in code! Sorry I didn't notice! Yes, it's almost done. Another ritual before we can begin the real experiment. Uh, I can't wait to see if it works!"

The black-weraing man sighed before continuing "Just remember the deal me made, and don't try anything stupid or else-" the man on the phone interrupted"-or the bomb in my head goes boom. I know, don't worry! I wouldn't dream of it anyway, seeing as your group not only freed me from the Association, but gave me the best time of my life with this task!" he chuckled maniacally for a while before stopping abuptly "By the way I always wondered how do you choose your codenames? Are you called Gin before it's like your favourite liquor or is it decided with a lottery? Or maybe-" understanding he said all that needed to be said the now named Gin hung up the call before sighing again.

"I understand That Person's plan, or at least part of it, but why did we have to get this lunatic to help us, Big Bro?" spoke for the first time the shortest one of the pair.

"I feel the same way as you Vodka. However, for all that so called 'mage' antics, its doesn't change the fact that he is one of the best at what he does. If it wasn't that way the guys who imprisoned him would have killed him instead. At least that is what I have been told." concluded the Balck organization member almost growling.

"Ok, if you say so. I hope we just get this over with as soon as possible. I don't like all this mumbo-jumbo and ritual stuff." commented Vodka before shivering slightly.

"Man up and stop worrying about it! He is just a normal human, magic or not a simple bullet could kill him like anybody else. Focus only on the plan and everything will go smoothly." scolded Gin before grinning "and once his use is complete we are free to dispose of him however we want."

That did in fact get a smile out of his assistance/partner as the two walked away into the darkness.

- Streets of the Beika district, a couple of days after -

Once again Conan Edogawa was walking alongside the sidewalk, thinking about his recent case. (If the modus operandi doesn't change we should find a new victim by tomorrow.) He tightned his fists, almost drawing blood (Dammit! I wish we could do something else outside of waiting for the cilprit to slip up on his next murder!)

"Hey Conan, are you cold? Your trembling." Come a female voice right beside him.

"Uhu? Oh, no Big Sis Ran! I was just exited to start reading my new book!" he exclaimed turning around to show the girl the backpack where he put the book they had recently bought.

Said girl was Ran Mori, daughter of Kogoro Mori, current girlfriend of Shinichi Kudo and caretaker of Conan at his father's household.

"Yes,-" she replied with a light giggle "-I bet you do! I'm just sorry we didn't find that one in Shinichi's library, I wonder were it ended up. I was pretty sure he had every Sherlock Holmes book ever written."

(I would like to know too! This was even my favourite! I swear, if Ai sold them to spite me-) screamed rejuvenated Shinichi in his mind before bumping into Ran "Is there a problem Ran-neechan?" he asked before looking ahead.

The road in front of them was currently blocked by a construction site, signes along it telling them to pass throught Beika Park on their right "This is the third renovation job they do this week alone. I wonder if there is a special occasion coming soon." Ran asked as she carefully lead Conan away from it.

The young detective found himself nodding absentmindedly as he followed the young teen (Maybe Ai is right, I am thinking about tha case too much. I can't show my frustration like that around Ran.) he sighed ( I guess I could try to sleep more tonight and resume my investigation with a cleared mind.) The kid's thoughts were interrupted by a strange chill running down his back (What was that?)

He immediatly looked around to find himself alone "Ran-neechan?" he called in his usual kid-like tone (Were did she go? I know I was lost in my thoughts, but she should have noticed my absence.)

He was about to trace back on his steps, but froze up when he heard a strange sound (Is that whistling?) he asked himself as he begun to walk towards it, curiosity having the better of him.

He eventually came to a small cabin not far from the pathway, it was used as a storage for utensils and other materials the gardeners used to take care of the park as well as a place for them to take a break, although he remebered it for a dead caretaker case he stubled on a couple months prior. (Maybe I really am cursed like inspector Megure keeps saying) he mused as he approached one of the windows, conferming form this distance that it was indeed a happy whistling that he was hearing.

If someone where to only hear what was happening in there he would guess that the whisler was doing some manial task, like repairing something or painting, not a care in the word as they did what they liked to do best, but reality was way more grim than that.

Tha moment Conan peered throught that windows he had to hold his mouth not to puke at the scene. The person inside was clearly doing something he enjoyed. However that something was painting a strange circular shape on the ground using blood dripping from the throat of a now deceased older man, a homeless jugding by his choise of wardrobe, all around the stench of death that strangely didn't register in the boys nostrils until he was literally glued to the window.

Even if it was just a couple of seconds it felt like hours before the young detective's brain begun working into overdrive (It's him! the victim's wounds and type all match!But what is that strange symbol he is writing on the floor? No other scene had one, everyone would have noticed it.I have to call the police immediatly before he has a chance to finish whatever he is doing and flee.) He quietly took some steps back so the killer couldn't hear him and hid behind a tree as he took out his phone (What? No signal? It's impossible, they installed new repetitors in the area a couple of weeks ago?) he groaned as he considered his options (I can't let him get away! I'll tranquilize him and drag him out of the park if I have to!) He flicked a switch on his watch, which opened up like a scope.

He didn't have to put his plan into motion though, as a sinister shrill voice resoneted from behind him "What do we have here? How did you get through my Bounded Field?"

He immediatly turned around his hand going for the button to the side of his watch, but he came to a halt as a bloody hand touched his head. His all wourld blurred as the man spoke in a commanding tone "Now-now it's not the case to be so worked up. Why don't you just take a little nap? Come on, sleep like a good kid." those were the last words he heard before he heard before his vision became complitly black.

- ? : some time later -

When Conan regained his senses he immediatly noticed two things. First, he was inside, lying on a dirty wooden floor, and second he was currently tied up with thick rope and gagged. He recolled then what had traspired in the woods and his eyes widened in panic. He resisted the urge to squirm, not knowing if his captor was inside with him or not.

Fortunatly for him he was not facing the wall, so he could easily look around the place and happily ascertain he was the only person in the room, outside of the dead body.

Only then the boy begun moving a bit, trying to feel how strong the nodes knots were. He was usually lucky in this situations because the kidnappers usually left the knots a little bit loose, some because they felt bad for him and others because of inexperience in tying up someone his size.

This time though he could easily feel he had been tightly restrained. (Ok, sllithering out of those is not an option. Why didn't I make doctor Agasa install an hidden blade somewere on one of his gadgets!?)

He froze in place when he heard a familiar whisling and the door of the cabin opened up to reveal his captor. This time the young detective had a full view of the him. He was unhealthyly thin middle-aged man with black hair and bags under his eyes. He waas also wearing surprisingly high quality clothes. A light blue sweater, the collar of a white shirt sticking out of it, that somehow was sparkly clean despite being red with blood when he saw him last time. He also wore a pair of black trousers and black leather shoes.

Their gazes met before Conan had the chance to close his eyes and pretend to be asleep "Oh! You woke up already? That sleeping spell should have been active for another hour at least. You are a strange speciment you know that?" He put down what seemed like a shopping bag before approaching the young detective and kneeling down while scratching his chin with his hand "I don't detect any magic whatsoever from you. Maybe an innate magic resistence you were born with? That could explain why my bounded field didn't work. I didn't put that much effort into making it since there are no mages known that live in the area. Uhm..."

(What is he talking about? Mages? Fields? Great! I've been taken by a complete lunatic!) screamed the kid in his head as the man continued talking "Well, that doesn't matter now, doesn't it? I'll kill you before I leave this place." his grin then grew wider "To be honest I could and should have done it immediatly, but then an idea come to my mind!"

He stood up and begun pacing the room "You see in the past weeks I have been doing these rituals alone and, while it is easier to concentrate this way, it begun increasingly boring. So, since this should be the last point that sets everything in motion, I felt it approapriate to have a witness. After all I am the first mage to ever reach this far in the realm of mystycs. Imagine!" he threw his arms high in the hair "The first ever Holy Grail war between non mages! In mere months of research and weeks of preparations I have accomplished something the the founding families and even Zeltech himself couldn't in centuries. Although considering what I had to do it was probably just because they didn't want or need to do it. those blind fools!"

His eyes spaced out for a second before he spoke up "But I digress. In short all I need you to do is watch and see hystory being written. Then I'll kill you, but at least in the afterlife you can tell everybody that Kureiji Satsu is the greatest mage known to man!"

Having finished his ranting the now named Satsu spun around and reached inside the bag he brought, pulling out what looked like a camera "Off course I will also record it for the living. Man, those imbeciles that hate tecnology don't know what they are missing!" He then placed it on a table nearby so it faced the circle in the ground.

"Ok, everything is ready! I just need to give the ehads up to the others before I don anything." he then rifled through his pockets and took out a phone, dialing a number and bringing it to his hear.

After a couple of seconds someone answered on the other end. Conan off course couldn't hear what they were saying.

"Yes, I have everything ready. I have placed the last link and am about to begun the summoning." the other speker replied "If I incontered some problems?" He looked at the tied up boy "Not really, just a rat somehow entering my bounded field. Nothing to worry about." This seemed to calm the voice as the conversation continued.

"Geez man, calm down. Are your chosen Masters ready in the center of the array?" Conan guessed there was a positive responce "Good! Now the only thing you're all gonna feel is a slight burn on your hand for the Command Seals forming and maybe a little bit of exhaustion for a couple of minutes afterwards. Then you do what you want and I have repayed my debt with your organization. Although I am not against working with you guys some other time if you have other interesting experiments you want to try out!"

The man squealed in delight at the thought or more atrocities done in the name of progress in his magic "Oh! I almost forgot! I was also wondering if you ahve a discount when buyng Gin. You know, since that's your name and all!" He chuckled to himself, but immediatly got serious and put down the phone "Why does he have to hung up when I am making a good joke! You though it was funny right?" he asked Conan while turning back, but noticed the pale face of his hostage "What? Was it really that bad?"

The mage couldn't know the wirlwind of thoughs going on in Conan's head at the mention of the Black Organization's member (He is working for them! What do they want from a crazy serial killer? Do they know I am here? Who I really am? No, that's not it. I stumbled here by accident, this is something else. Do they need a distraction for something they are doing in the shadows? No, they don't need that kind of play to do what they want. Maybe this time is different?) those and other questions popped up in his mind as his captor watched him confused "You are a strange little kid, you know that?"

He raised an eyebrow before shrugging "Anyway, I guess we should start now, should we?" He stood at the edge of the sombol and cleared his throat, before speaking up "Let silver and steel be the essence." He raised his right hand in front of him. The strange words and gesture caught the young detective's attention.

"Let stone and the archduke of contracts be the foundation." (What is he doing?) asked himself Conan.

"Shut(Fill). Shut(Fill). Shut(Fill). Shut(Fill). Shut(Fill) and Shut(Fill) once more. Repeat five times and a sixth for power. Simply, shattered once filled." as he uttered this words a light wind begun flowing in the room and the circle glowed o a dim light.

"Your self is under my choosens, their fate is in your sword." the wind begun to pick up as more of the simbols on the ground came to life.

"In accordance with the approach of the Holy Grail, if you abide by this feeling, this reason, then answer." The light had become almost unbearable and Conan had to close his eyes, at the same time feeling what he could describe only as a pull of some kind.

"Here is their oath. I attest they will become all the good of the world of the dead, they will be the ones who lays out all the evil of the world of the dead." Together with that pull came a burning sensation to the kid's right hand (It feels like I am being punctured with hot iron! What in the world is happening?!)

"You, seven heavens clad in three words of power, arrive from the ring of deterrence, O keepers of the balance!" A violent shock wave resonated, making Conan roll away a couple of feet and the man fall on his back.

He coughed as he stood back up "Woa! I didn't think it would do that! Well, the entire city wasn't leveled down, that in itself means my calculations worked!" He congratulated himself some more before a new voice spoke up "Uhm? What an odd place to be summoned to."

Both of the previous occupants of the cabin looked at the new arrival in confusion. He was an older getleman, at least fifty years old, with a white mustache and white hair slicked back with a single strand hanging over his right eye. He was wearing a brown sleeveless jacket ove a white button up shirt, with brown pants and elegant matching shoes. He also had a blue cape with a butterfly-like pattern. The strangest thing though was what looked like a giant coffin he was holding by a chain over his shoulder with his left hand, his right one holding a combination of a walking stick, a sword and a gun.

The strange man spoke up again "Even so I am nothing if not adaptable." he cleared his throat "I am Servant Archer. Could I ask which of you two is my Master?"

- chapter end -

First of two chapters I'll post togheter. Technically I could post them as one big chapter, but it just felt like too much stuff all together.

This one is the introduction of Conan and his 'crew', for those that actually stumbled here as Fate fans and din't care for the Detecive Conan franchise. The Next one, to mirror this, will be my poor attempt at explaining what the Fate side is all about. I am not confident in my writing skills, but I'll do my best.

I hope someone enjoys this little idea of mine. It actually all started with a fanart I saw on Pintarest of Archer of Shinjuku (not gonna reveal his name untill next chapter, for those that do not know him) and Conan talking, with him drawn in the Conan artstyle. From there my mind wandered on the shenanigans they could end up in if our little detective was Archer's Master. I hope I can continue this untill the war ends, you'll have to stick around to find out!

Feel free to leave Reviews with constructive criticism and, if I am lucky, praises.

Untill next time,

Bye!