Author's Note: I've become interested in the Blue Archive fandom, so I decided to write this little story. There will be elements of Fate Stay Night/Fate Grand Order and some mentions of Marvel.
XXX
Story Title: Master of Kivotos: Angels, Guns and Magic
Plot: The King in Black of Chaldea, Bruce Belmont, has been sent to Kivotos by Zelretch.
Is the big city full of students and guns ready to receive such a Sensei?
What will girls learn from an Occult Detective who often plays masked vigilante and mad scientist?
XXX
Story Arc: Welcome to Kivotos
Prologue: The meeting between a teacher and a president
XXX
Narrator's POV
In an unspecified time, inside the Sanctum Tower, the beating heart of the city of Kivotos, a man named Zelretch is talking to the Director of this place.
"There is a last refuge for the desperate, the unloved, the persecuted and the strange.
When life becomes too strange, too impossible, too scary, there is always one last hope.
When all else fails, there is a person in a dingy office as if they have always been there, and always will be.
The most capable, stubborn, bizarre and courageous man I have ever known, Bruce Belmont, the Occult Detective, the King in Black of Chaldea." Zelretch said, placing a rather large and thick file on the director's desk.
The director of Kivotos opens the file and begins to leaf through it, forming a general idea about this Occult Detective.
" Zelretch, I am interested in hiring your agent as Sensei." The director declares, before closing the file.
" I can't wait to see how Kivotos will react to Bruce and vice versa." Zelretch states with a mischievous smile.
The old magician is ready to sit back and enjoy the show.
XXX
In a place where the concept of space and time does not work in the way known to humans, one can find a person who is ... making promises of revenge against a certain Wizard Marshal.
"Zelretch, you will never be welcome in Ysatnaf again, and more importantly, you will never be invited to my birthday party again." She declares an androgynous voice with a slight British accent.
The owner of the voice is Bruce Bel Bahamut Belmont, an Occult Detective from Earth-2126, who received a trip to a random location in the Multiverse as a gift from Zelretch.
Bruce is a 175 centimeter tall person with a slim and slim physique.
The color of her skin is a magnificent milky white, smooth and free of imperfections.
His ears are slightly pointed like he's a half-elf or something.
Bruce's lavender hair is very long, held in a long braid, which Bruce ties around his neck like a scarf, a long fringe covering his left eye.
The right eye is fluorescent gold with a bird of prey pupil.
Her face has soft and delicate features, thin eyelashes and a light androgynous structure, which gives a very feminine appearance.
If anyone who lived during the times of King Arthur saw Bruce, they would surely mistake him for Morgan Le Fay.
At first glance, Bruce can easily be mistaken for a very cute girl in her late teens. But, in reality, he is a man who should be turning 25.
Bruce's outfit looks like a kind of spacesuit with some accessories.
The suit is a light lavender color with several white sentients, the suit starts from the tip of the toes and ends at the top of the neck.
As you might imagine, the suit leaves little to the imagination, a fact that a number of Bruce's entourage are very happy about.
Over the skin-tight suit, Bruce wears a short white coat that reaches to the back of his chest, with a translucent veil that reaches to the top of his knees.
On the coat located in the heart area there is a sort of metallic identification card with a photograph of Bruce on it, a symbol and some illegible writing.
On the right sleeve of the coat there are only four golden coats of arms positioned in a straight line and equidistant.
Around his neck, Bruce wears a kind of necklace with a black metal pendant that seems capable of transforming into a robot.
Bruce is a rather well-known person in his world for many reasons.
To the masses of civilians, Bruce is the World's Greatest Detective based in Boston, an eccentric individual of undisputed talent, who travels far and wide, solving puzzles and problems of ordinary people and/or the leaders of major super- powers of the world.
Some people have called it a strange combination of Sherlock Holmes, Arsène Lupine, Edmond Dantès, John Constantine, Nathan Drake and a Shōnen Rival.
To members of the superhero community, Bruce is Arkan Bloodedge or Shoggoth, a masked vigilante skilled in the paranormal and interdimensionally traveled, who has no problem meddling in the affairs of others.
Many heroes such as the Avengers, X-Men and Fantastic Four have teamed up with him or requested his help to solve certain exotic or delicate problems. Learning that it is better to have him with you than against you.
SHIELD and other similar groups consider him a potential Omega-Class threat.
One of the Shielder's files describes him as: "A human-alien hybrid with deep magical/divine ancestry, gifted with Omega-level X-Gene and an intellect that places him in the top five smartest people in the world, all inside one body trained and empowered by every means imaginable."
The people of the Moonlit World are the community that knows best what Bruce Bel Bahamut Belmont is capable of, considering him one of the most powerful and dangerous sorcerers of his generation, receiving a place in the history books of the Association of Magicians.
In recent years, Bruce has become particularly famous for becoming the Last Master of Chaldea and
having professionally (and intimately) helped Olga Marie Animusphere obtain and maintain a prestigious position within the Clock Tower.
In the present, Bruce is drifting through the gap between worlds, waiting to land in a physical location.
'I wonder where I'll end up this time?' Bruce thinks, crossing his arms, minimally uncomfortable with his current situation.
No normal, sane person would be so calm and calm in such a situation.
It is equally true, that a normal, mentally stable person would not have attracted Zelretch's attention.
'Knowing Zelretch, it's probably going to be a place full of problems and trigger-happy unstable women.' Bruce thinks calmly, making some guesses as to where he might end up.
For many this hypothesis would sound absurd, but with his track record, it is more likely that Shirou Emiya will stop being a hero, that Bruce will not end up in trouble.
Suddenly, the gap between worlds has gained a new tenant, the ghost of a girl.
Bruce immediately noticed the presence of another person in this remote and desolate place.
'Is this girl some kind of wandering soul, an astral projection, a psychic manifestation, or the second part of Zelretch's gift?' Bruce places a hand under his chin as he thinks of valid explanations for the ghostly girl's presence.
In front of Bruce is a young woman who could pass as a ghost or a hologram if you're a more scientifically inclined person.
This woman has long light blue hair with pink inside, a long fringe covering her left eye, and a loose braid tied on the left side.
Above the woman's head is a halo that resembles a white ring with a blue star in the center slightly to the right. The halo sits high but leans slightly to the right.
The woman wears a white jacket over a long double-breasted dress with gold buttons and a pair of high white boots.
On the right chest is a large star badge while on the left chest is a badge backed by blue cloth and gold stars.
On his collar there are stars located slightly to the left and right.
'A nice coincidence, she and I share more or less the same haircut.' Bruce thinks, finding one thing in common with the ghost woman.
"Bruce-Sensei..." The woman said, reaching out in Bruce's direction, as if to pull him towards her.
'What does it say about my life when an encounter like this doesn't even make the top ten strangest encounters with a woman.' Bruce thinks, keeping a stoic face in front of the ghost woman.
Bruce approached the mysterious woman, having some questions to ask her.
"Who are you? How did you get here? What do you want from me? Did Zelretch send you?" Bruce asks in a calm tone, waiting to see a reaction from the woman.
"We long for the seven wailings. We bear the koan of Jericho." She declares the woman, as if she were not entirely present there.
Hearing those words, Bruce's good eye closed against his will.
XXX
When Bruce opened his right eye, he found himself in a place both familiar and foreign.
"I'm inside a train. Good sign, it means I've arrived in a world advanced enough to build one of my favorite vehicles." Bruce mutters, starting to look around for potential threats and/or clues.
Detective Occult immediately noticed that he was aboard a luxury train transporting wealthy passengers.
Bruce understood all this from the quality of the objects and luxuries present in the wander.
High-quality leather seats with a high-tech interface to call staff or launch a mini-screen to watch a movie during the journey;
high-tech billboards displaying products that are expensive and out of reach for the common citizen; air conditioning that works without making any noise; a shiny and immaculate floor.
Each is a sign of a train reserved for the elite and kept in the best possible condition for its customers.
"For once I landed in a decent place.
If the train stops near a Leyline that allows me to summon a Servant, I can consider starting this year's great adventure in good stride." Bruce murmurs in a less stoic tone.
Finding no enemies or objects of interest, Bruce took a couple of steps to observe the view, being able to learn a lot from how the local cities are built.
Bruce through the reinforced glass saw the sun setting, a peaceful beach, a clear sky, and what appear to be rings or glyphs of energy decorating the sky.
These marks resemble the halo of the mysterious ghost woman from earlier, sharing
shape and color.
"Am I inside a Singularity?" Bruce asks, keeping his gaze fixed on the rings in the sky that remind us of Ars Almadel Salomonis.
'I'll have to gather more information before I act, but I hope these glyphs are just exotic decorations or some kind of barrier.' Bruce thinks, trying not to be influenced by his past experiences.
Stopping to look at the view, Bruce shifts his gaze to his hand.
" Daedalus Cube, come to me." Bruce said, calling into his right hand a black cube of pure obsidian, decorated with complex geometric and runic symbols, on the inky surface small lights appear and disappear into the depths of him.
"Until I find out whether or not I have to worry about a creature that wants to incinerate the planet, you stay by my side 24 hours a day." Bruce said, holding the Black Cube tightly in his hand.
The Daedalus Cube is one of the most complex and dangerous Artifacts that Bruce has ever created in his life, it could be called his greatest creation.
Construction and development of the Daedalus Cube began when Bruce Belmont was 15 years old, continuing to improve it into the present.
The Daedalus Cube has many functions and abilities that will be shown later, but we can say that this Cube can be considered a miniature and transportable Chaldea.
Taking a step forward, Bruce's nose detected a very familiar odor.
"I smell blood, specifically from a young woman just 18 years old who is a virgin." Bruce said, managing she learned all these details just from the subtle nuances of the smell.
"She's close." Bruce said, following the scent trail to the adjacent train compartment.
This carriage is identical to the previous one, except for a single detail, one seat is occupied.
"We meet once again." Bruce said, approaching the only passenger in the car.
Sitting on a seat with her back to the window is the woman Bruce met briefly in the gap between worlds.
The young woman is seriously injured, the left side of her white uniform is stained with blood.
In addition to the wound, the young woman's halo struggles between vanishing and reappearing, as if it were a representation of the woman's physical state.
Bruce stopped in front of the woman who looked like she was about to pass out due to blood loss.
"I'll help you first, then you'll answer my questions." Bruce said in a calm voice.
Bruce using his left hand, moves his bangs, which cover his left eye, revealing that in his left eye socket is a gemstone cut into the shape of an eye.
Many people would have been sad about losing an eye, but Bruce saw an opportunity to use Mystic Eye Artificial when he lost his left eye at the age of almost 16.
"Eye of Panacea, grant your cure to this woman." Bruce said, channeling just enough of his magical energies to activate his Mystic Eye Artificial.
The false left eye began to glow a green color, simultaneously a green aura began to cover the girl's entire body.
Slowly, the girl's condition improved, her breathing is no longer so irregular, her face is less pale and her halo shines brighter.
"The Panacea Eye has succeeded in stopping the bleeding and soothing your pain, it has not completely healed your wound.
But if you get medical treatment
appropriate, you will be able to survive and recover within a month or two." Bruce states, acting like a doctor telling his patient what he needs to do to recover.
"Thank you so much Bruce-Sensei." The young woman said with a faint smile on her lips, appreciating the help she had received.
"Don't thank me, the Eye of Panacea is a recently created prototype, I used the circumstances to gather data on how it works on a severely injured humanoid subject." Bruce said, stating that he took advantage of the moment to experiment with his invention.
The young woman almost laughs at Bruce's response.
"Bruce-Sensei, you always try to appear cold and detached, but we both know you're a softie inside." The young woman said seeming to know the type of person Bruce is.
"I am not a Tsundere or a Kuudere." Bruce comments, crossing his arms, not liking that an unknown woman calls him a softie.
This time the young woman couldn't hold back her laughter.
"Bruce-Sensei, could you do me a favor and sit next to me?" The young woman asks, wanting someone to be close to her.
Adjusting his bangs to cover his false left eye, Bruce sits down on the seat next to the mysterious blue/pink haired woman.
The first to speak was Detective Occult.
" I kept track of your easy micro-expressions and body language.
I can tell you are sad and worried, but my presence calms and comforts you." Bruce said, doing his usual Sherlock Holmes trick.
" Nothing escapes Bruce-Sensei's gaze. Always looking for puzzles to solve." The young woman said with a bittersweet expression, finding a brief moment of joy in this conversation.
"You know me, but I don't know you." Bruce said as he turns to look directly into the mysterious woman's eyes.
"At the moment, three explanations come to mind." Bruce states, raising his left hand, showing three fingers.
"First theory, we were attacked by an enemy, you were physically injured, while I was mentally injured, suffering memory loss.
Second theory, you're from the future, pretty simple solution, but it's happened to me before.
Third theory, we are in the midst of an event of space-time origin where past and future meet." Bruce presented his three explanations for the situation he finds himself in.
"Don't think about it too much, Bruce-Sensei, this is all temporary, everything will be resolved soon." The mysterious woman said, trying to ease the Occult Detective's mind.
The girl's expression became bitter, as if she suddenly remembered something very bad.
"Maybe somewhere else, a me from the future is talking to a you from the past." Bruce said in a more humorous tone, sensing the girl's bad mood.
" Bruce-Sensei, don't try to distract me. This was all my fault." She confesses to the girl with a voice full of sadness and defeat.
"My decisions and everything they caused.
It had to come to this for me to finally realize that you were right all along." The girl states, as if she had just had an internal revelation.
Bruce tilts his head slightly, trying to better understand what's going on.
"In most cases I have been right, especially when it comes to crime, magic, science, business, administration or war." Bruce comments, aware that he sounds arrogant, but when it comes to these domains he is among the best in the world.
"But aren't you exaggerating by blaming yourself for all the evils that are happening?
Not even the greatest king can rule in tumultuous times if he is surrounded by the incompetent, the corrupt and the traitors." Bruce said, believing that the girl is exaggerating her guilt just like Artoria Pendragon during the fall of Camelot.
Hearing these words the sadness vanishes for a moment.
"At first when I first met you I thought you were an arrogant, cold man with a sharp tongue and a flair for the dramatic.
Only when it was too late to do anything, I learned that you are the best Sensei I could hope to have." The young woman said in a bittersweet tone.
"It's not the first or last time a woman first hates me and then changes her opinion." Comments Bruce, used to this kind of thing.
"So forgive me for being so bold, but I must ask for your help, Bruce-Sensei." The blue and pink haired girl said, needing help.
"If you know me, you already know that I can't refuse the pleas of a cute and needy girl. But it will cost you the equivalent of $5 an hour." Bruce said in a half serious, half joking voice.
"If I remember, well your first lesson was: If you're good at something, never do it for free." The young woman said, remembering one of Bruce-Sensei's first lessons.
"That's why I'm giving you an extra point on your report card." Bruce comments, trying to lift the girl's mood.
The blue and pink haired girl didn't laugh at Bruce's bad joke, but I appreciate the gesture.
Taking a breath, the young woman continued her farewell monologue.
"You will forget these words, but it won't matter. Even without your memories, you will probably make the same decision in the same situation.
Therefore, I believe that what matters most are the choices we make, not the experiences we have.
There are choices that only you can make." The mysterious girl said in an enigmatic tone.
Bruce shakes his head seemingly amused by the girl's words.
"You should not underestimate your Teacher. I have a very hard head, an unshakable will and can be immensely stubborn.
Messing with space-time isn't enough to erase my memories. Sooner or later, my memory will be restored." Bruce states, confident that he will remember this discussion, even if it will take some time to recover the information.
The girl smiles weakly, before continuing her speech.
"I have already talked about responsibility.
I didn't really understand it then, but now I do.
Adulthood, responsibility, obligation… and the choices you make that go beyond these ideals.
I also understand their implications." The girl said, sounding much older and tired than before.
"Everyone wants the crown, everyone wants to be big and powerful, but almost no one is ready for the responsibilities of such positions." Bruce comments, having seen his fair share of leaders who are inept or unprepared for their position.
"Bruce-Sensei, you're the only one I can trust." The blue and pink haired girl said with a voice full of emotions, mostly sadness and hope.
The girl reaches out to touch Bruce's hand.
"Only you can free us from this twisted fate and find the choices that will lead us to a new reality." The girl said, gently shaking Bruce's hand.
" Don't worry, with me in charge you won't have to worry about anything. I am Bruce Bel Bahamut Belmont, the King in Black of Chaldea, I am the strongest and I will save the world as I always do." Bruce said with a faint reassuring smile on his lips, pushing aside his stoic expression.
This time the girl smiles big, showing a genuine smile for an instant.
"So, Sensei. Please..." The girl is about to say her last word...
"Say nothing else, this Sensei is already on the job, solving every problem I find on the way. Then, eventually, I will come to you and make you pay the bill." I promise Bruce with a sincere voice.
The girl smile for one last time is the [dream] ends.
XXX
Suddenly, Bruce woke up sitting in a chair in a clean and tidy office.
" I have an headache." Bruce mutters, placing a hand over his forehead due to the pain.
Before Bruce could get up and try to figure out where he went.
The office door opened, a young woman with black hair, pointed ears, dressed in a white uniform stepped inside.
"You... are..." The elf said with some hesitation, not being able to finish the question.
Taking a deep breath, the black-haired woman tries again to ask her question: Are you… Sensei?"
Continues ...