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Fate/Mercenary: A travel across the omniverse.

"Why does every world that we go must be someone with Young Master syndrome is that a trend?" "I don't understand your question Young Master" "I already told you to not call me like that!" "You have guts to ignore the great me!" " Yeah Yeah I know, you will say some shit like that I'm courting death or whatever" "You are mocking me, are you courting... how do you know what I was going to say peasant?" "Cause everyone like you say the same bullshit!!!" --------------------------------------------------------------------------- I don't own anything except some OC and barely. There is a Harem Tag for something so please don't leave hate comments in the future for that, Its on the description so save time to everyone. English it's not my first language. Thank you for reading and I hope you have a pleasant experience doing it. First World- Harry Potter Second World- High School DXD

Stuckinapileofbook · Anime & Comics
Not enough ratings
61 Chs

Chapter XIV: First Week

The weekend came to an end and the first day of class arrived. I used all my available time to test what the room of requirements can and can't do. From the size of the room that to my surprise it can become as big as a baseball field. It can also do almost anything nonliving, but the problem is that it can do very complex things. And the room can increase the gravity up to 5 times which is good for the moment but I think I can increase it with runes in the future.

With my house members luckily for me they became very tame after my little scene on the first day but I don't doubt that in a couple of days they will forget about it and become petulant as before. I went to the great hall for breakfast before the first class starts. I certainly didn't want to eat with a bunch of idiots that would only stare daggers at me so I decided to go to the Gryffindor table.

In no time I found where Harry and Hermione were, as always Hermione was reading a book that was bigger than her, Harry was eating a little bit of everything but I saw that he was surprised reading a book and Ron well…

'Seriously why does he eat like an animal?'

"Morning" I greeted everyone as I seated between Harry and Hermione.

"Morning Yozora" Harry greeted me with a small smile.

"Good morning Yozora, did you already read the contents of today's classes?" Hermione asked. As usual, she is really enthusiastic about everything related to school.

I smiled at the bushy-haired girl. "Kind off, I read some chapters from the books but I don't know if I got everything, what about you Harry?"

Harry nodded at my question. "I just read the first chapter of the school books, but I got confused with potions it is a little bit complicated."

"Well if you need some help, I am sure that Hermione can help you since both of you are-" I tried to say but someone interrupted me mid-sentence.

"Why are you here?" The younger Weasley male asked while looking at me as if I killed his rat… which is a possibility in the future.

I faked feeling disheartened. "How horrible of you Ron, why do you look at me like that, I thought that we were besties"

Harry and Hermione chuckled at my clear sarcasm, but Ron got angrier "Rubbish, I would never be a friend of a Snake! Leave the table this is only for Gryffindors!"

'So he is an idiot like in the books'

Hermione didn't like how Ron was talking to me. "Don't order him like you own the table, besides there is no rule that forbids him to sit him."

"Besides he's mine and Hermione's friend, so I don't see the problem for him to sit with us." Harry seconded Hermione's statement.

"What they said, besides I only need to sit at the Slytherin table when there is an important event, like on Halloween, so I can sit wherever I want."

"Shut up you filthy snake! You can fool everyone but not me, you just want to use Harry's fame!" Exclaimed the redhead.

I just sighed at Ron's words. "Honestly I'm just going to ignore you, if I continue to hear you maybe I will become as stupid as you."

After that Seamus and Dean who were close to us started to laugh a lot, Harry was trying to hold it but in the end,he couldn't, and Hermione just made a smug smile.

"You…" Ron growled with hate in his eyes.

"Me…"

After mocking him for one last time, and completely ignored him while I was eating and talking with Harry and Hermione. The guy is a pain in the ass but I am not going to beat him up, after all, he is just a kid, but when he grows up if he continues with that attitude I wouldn't mind giving him a slap or two.

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The classes were for the most part entertaining, in the transfiguration class as in the books the exercise was to transfigure a matchstick into a needle, for me this was kind off easy since I was already practicing the alteration spell and with the history on McGonagall's wand it was too easy so I was the first one to complete the task earning 5 points to Slytherin and after me Hermione was the next one and the only one to be able to do it, earning us a jealously stare from Ron.

After class Hermione asked me how I was able to do it so easy and I gave her some pointers but in all honestly even if I knew that she was able to do this in the book it still surprise me a lot since she didn't have any contact with the magical world in comparison with other students, making her a true genius.

'I wonder how powerful she would be in other worlds with a stronger magic system?'

Herbology was interesting since this world has a lot of magic plants that magus from the Nasuverse would kill for, so I put extra attention on the class even if it was just an introduction.

Defense Against the Dark Arts was a pain in the ass since Quirrelmort wouldn't stop faking his stuttering and don't let me begin with the horrible smells of garlic in the room. So since I wouldn't learn anything from this class, I discretely took one of the books that were on my vault on Gringotts and read it.

I did the same in the history class since it was boring AF and the professor didn't help at all. 'Why can't they hire another teacher that is you know, Alive! let the poor guy rest in peace for Aqua's sake.'

Charms classes with Professor Flitwick were good, I have to admit that he along with Professor McGonagall is my favorite teacher so far. The guy has a lot of passion for his profession, he tries to encourage and help every one of his students, and as the good teacher he is he noticed that Neville was having problems because he was using a wand that wasn't 'his', he tried to convince the boy to get another wand but he was very stubborn to not do it since his gran said that 'He was going to be a great wizard like his father so he needs to use his wand to continue the prestige of the Longbottom's'. The same was with Ron but his family couldn't afore to buy another wand for the moment. He told both boys that he would talk with both of his families and try to resolve the problem.

'Such a good teacher with students that are not from his class, while I doubt that he is the best teacher in the world, his passion for teaching is admirable that makes me curious how a conversation with him and Zhang Xuan would be.'

Astrology classes for obvious reasons were in the middle of the night and I quite enjoyed quite a lot since I acquired the habit of stargazing in all the travels that Gramps and I made and by far my favorite place became The Salar de Uyuni in Bolivia that is the largest salt flat on the world that is also known as the world's mirror since in some of the months of the years it is slightly covered by water that makes it act as a mirror making it reflects the sky and in the night it looks like you are walking in the stars, a beautiful place without doubts. I think that Nomura used this place as inspiration for the Final World in Kingdom Hearts 3.

And finally, Friday came and it was the day of the first lesson on potions, Hermione was eager for it since she was very interested in potions… like in most of the branches of magic but Harry wasn't so happy about it since Ron already told him about Snape's reputation about how the professor gives preferential treatment to his house students along with some comments towards me that I ignored for the sake of not losing some neurons.

In the middle of the breakfast, Hedwig arrived and delivered a letter to Harry who was happy to receive a letter and open it in no time.

"Hello, girl how are you?" I say to Hedwig and give her some bacon and petted her.

Hedwig accepted both the beacon and my petting. At first, she avoided me for some reason but in no time she accepted me after all my bribe- *Cough* *Cough* with me feeding her with bacon that she enjoyed a lot. I think that she could feel from mere instinct that I was dangerous. Maybe because I have the skill of the vessel of a beast of the apocalypse?

"Yozora, Ron, Hermione, Hagrid invited me to his house after classes, do you want to come?" Harry asked quite eagerly.

"Sorry, I have things to do after class," I said with a sad smile. While I like to enjoy spending time with them… well with Harry and Hermione. I am quite busy with my magecraft studies and sparrings with gramps so I can only spend time with them during the meals and between classes for now.

'With this world not being that dangerous and having good opponents to fight with besides Gramps, I have to train a lot harder since at some point I will have to go to the world that is imploring to become a Hentai of High School DXD where there are a lot of beings capable of killing me with a wave of their hands.'

"I'll go with you Harry, but Yozora where are you all the time? I know that you are not in the library since I am there most of the time."

I smiled at her. "Secret~"

Hermione rolled her eyes, Harry just laughed awkwardly, and Ron…

"Most likely he is torturing some kids." Ron snarked.

"As if, but I am jealous of you Ron… I mean to have all the time in the world since you don't care about anything except for chess and eating." I say sarcastically. "What a wonderful life."

Ron slams his hand on the table. "Are you making fun of me?" He says in a very annoyed tone.

"Ara~ I thought that I was being obvious~," I say in a juvenile tone "But as much as I would like to make fun of you we have to go, or we are going to be late and Professor Snape doesn't tolerate lateness."

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I waited for some time for the professor inside the classroom, and since it was mandatory to be in your house seats, most of the time I was alone since many of the first-year students are afraid of me after what I did with dumb-face but sadly for them, this was not possible in the potion class, this is because all the class exercises are made in couples so there is going to be an unlucky person that has to be my pair in class.

And as if I was summoning them 3 people arrived at the classroom.

"Good, Professor Snape hasn't arrived." A brunette girl said quite relieved.

"You said that you knew a shortcut to the classroom." A dark-skinned boy said quite annoyed.

"I already told you that I was sorry, I got confused okay, the two passages looked alike."

"Both of you shut up, let's just find a place to sit." A blonde-haired girl said in a cold voice.

"Okay, just hope that we don't have to sit with the Asian… crap." The dark-skinned said as he stared at me.

"Language." The blond girl said to his housemate.

"Ara~ quite rude of you to call me by my ethnicity, would you like me to show you some manners?" I say quite playfully.

The boy just looked at me quite scared, I think that he didn't understand that it was a joke.

"Chill out dude, I don't punch kids."

My three housemates just deadpanned at me since they found that my statement was quite ridiculous.

"But you are also a kid." The blond girl said in a monotone voice.

"Semantics, maybe we are the same age, but I am your sempai in life," I said smugly but they just looked at me quite confused, except for the boy who looked somewhat annoyed. "Oh yeah purebloods, anyways my name is Yozora Hoshimura, so let's be clear I know that maybe you don't want to sit with me and I don't care at all if I have to be honest, but for the sake of not getting scolded by Professor Snape let just get along with this, just don't spit the same nonsense as Malfoy and we will be fine."

"Sure, no problem with that, I am Tracey Davis, from the House of Davis" The brunette introduced herself.

"Daphne Greengrass." The blond just stated her name but was staring at me too much.

"I am also fine with that, the name is Blaise Zabini by the way,"

We talked a little bit and they weren't annoying as other Slytherin members, Tracey is a very cheerful girl like the one that could be friends with anyone but I could see that kept some distance from me since she still fears me but not that much. Daphne is the quiet type, she barely takes the initiative to start a conversation if no one asks, so in Japanese terms, she is definitely a Kudere, but she seems 'curious' about me, the poor girl's deepest desire is to heal her little sister, Astoria if I remember correctly, maybe I could lend her a hand in the future. Blaise was quite reserved while talking to me but from what I had 'seen' he basically doesn't give a fuck about blood supremacy and if it was up to him he would stay away from that but sadly for him he can't, and this was actually surprising for me since I remember that he was in Voldemort side, maybe something happens in the future that made him take that path.

Soon after Professor Snape arrived in the classroom in his classic 'dramatic' walk.

"There will no foolish wand-wavering or silly incantation in this class." Snape made a pregnant pause. "As such, I don't expect many of you to appreciate the subtle science and exact art of potion making, however for those select few who possess the predisposition." Snape looked directly at the class and crossed his arms. "I can teach you how to bewitch the mind and ensnare the sense, I can tell you how to bottle fame, brew glory and even… put a stopper to death."

Everyone was in awe after Snape's speech and Malfoy was looking at the professor as if he was looking at his long-lost love…. Seriously this dude needs to control his daddy issues. But I must admit that for someone that doesn't particularly like to teach he knows how to gather the attention of the students.

But then he started looking directly at Harry who was taking notes of his words. "Then again maybe some of you have come to Hogwarts in possession of abilities so formidable that you feel confident enough to-not-pay-attention."

Hermione quickly touched Harry's shoulder to make a stop making notes and Harry stopped in no time and looked directly in Snape's direction.

"Mr. Potter our new - celebrity. Tell me what would I get if I added powdered root of asphodel to an infusion of wormwood?"

Harry looked like he was trying hard to remember what he previously read, Hermione eagerly shot her hand into the air trying to answer the question and Ron looked as if he was asked the meaning of life.

"I don't know sir." Said, Harry.

Malfoy, Crabbe, and Goyle were shaking with laughter. 'I mean while Malfoy is a prepotent idiot, he was quite good with potions but Crabbe and Goyle are maybe the stupidest people on Slytherin so I don't doubt that they also didn't know the answer.'

Snape's lips curled into a sneer. "Fame clearly isn't everything," Said Snape as he ignored Hermione's hand. "Let's try again Potter, where would you look if I told you to find me a bezoar?"

Once again Hermione stretched her hand as high into the air and for a moment I was worried that it would end up detaching from her body.

This time however Harry smiled. "In the stomach of a goat"

"Correct Mr. Potter… it seems that even a fool can get lucky." Snape said in 'annoyed' tone, but I could see that he was inwardly happy that he 'wasn't as stupid as his father'. "What is the difference between monkshood and wolfsbane?"

Different from before this time Hermione didn't raise her hand, not because she didn't know the answer, it was because she wanted to see if Harry could answer this question.

"None" Harry answered with a lot of confidence.

Snape raised an eyebrow. "Explain Potter." As he was curious if he was just lucky.

"Monkshood and wolfsbane are the same plants, which also goes by the name of aconite, and is used as the main ingredient for a potion that relieves the symptoms of lycanthropy, there are other uses, but this is the most famous use," Harry explained very well.

"Well, it seems that you are not as utterly foolish as I thought Potter, at the very least you know how to read." Snape sneered. "As for the answer to my first question, asphodel and wormwood make a sleeping potion so powerful it is known as the Draught of Living Death. And complementing your answer a bezoar will save you from most poisons. Well? Why aren't you all copying that down?"

Everyone moved desperately their quills writing everything that professor Snape said on their parchments. "One point to Gryffindor for not being as dunderhead as they usually are."

'Well that is surprising, while he insulted the whole Gryffindor house he doesn't give points easily to other houses, so maybe it is his way to show some appreciation to Lily's son who is not an idiot like his father.'

After that, he started to place everyone in pairs and set them to mix up a potion for curing boils. Daphne and Tracey were put on the same team and 'sadly' for Blaise he was paired up with me.

In many fanfictions, they said that making potions in Harry Potter world is like cooking so for the first time I would get serious in a class.

"Blaise I will be in charge of this, follow my lead, and do everything exactly as I say."

Blaise looked at me quite confused. "I know that you are good with your fist but no offense but with your upbringing, I doubt that you have any experience with- "

I didn't let Blaze finish the sentence and look directly into his eyes. "This is my battlefield, so don't get in my way," I order him since I don't like anyone messing with my kit- my workplace.

Blaise looks quite annoyed at my order but maybe the image of me beating the crap of the senior year is still fresh in his memory, so he decided to just follow my lead.

{I wish you could be this serious in our martial arts training.} Gramps commented since he knew that I always take cooking too seriously.

{I am always serious about training, but I refuse to do half-assed food, so I use all my concentration on it.}

{If you say so.}

I took all my equipment to start the set up the workstation. The equipment listed in the letter was so basic that I wanted to cry but it was understandable since most of the students didn't have prior experience with potion making and it would be a waste of money to purchase more advanced equipment but….

"Why do you have so many knives? Is that a silver scale? Why did you buy that if a brass scale was in the letter? What with everything here, we are first-year students!" Blaise was confused looking at all my equipment.

"I know that the letter says to buy what is considered beginner's equipment." I said quite understanding Blaise's confusion."

"But I refuse!" I stated. "An excellent chef can work with any utensil at his disposition, but if you have the choice to work with top-grade equipment or something that you wouldn't even gift to your worst enemy the choice is pretty obvious."

"Chef? What are you talking about this is potion-making!" Blaise says quite annoyed.

"Potayto, pohtahto. It doesn't matter, I will get the ingredients just wait here and do-not-touch-anything." I said quite seriously since I like everything neatly ordered.

I went to where all the ingredients were gathered and used Structural Analysis to find the best ingredients available, the recipe only has 4 ingredients but you can't underestimate the use of 4 ingredients.

"So sad it seems that I won't be able to use my knives today," I said as I started to heat the cauldron.

'The instruction on the cauldron are half-assed not taking in consideration the exact temperature into consideration but based on the information that I gained with Structural Analysis I can make it up.'

I put the fangs on my mortar and started to crush them, the recipe says 6 fangs but based on the quality of the ingredients it is better to use 8 this time to have the best possible outcome.

"What are you doing the book says that you need to put only 6 fangs not 8." Blaise complained thinking that I was making things wrong from the start.

"That would be the case with good quality ingredients, but the ones we have here are average at most, so we most we need to make it up by adding more."

Once the snake fangs were grinding into a fine powder, I started to calibrate the scale to get the exact quantity necessary. And after I was done, I added it to the cauldron and heated it to high temperature, the instructions say 10 seconds, but I decided to make it up to 12 seconds.

I waved my wand and the heat returned to the previous temperature, but I also noticed that magic energy permeated the cauldron and made 'enhanced' the properties of the snake fang.

The recipe was easy, but it took some time to finish it. In the meantime, Professor Snape was criticizing almost everyone, especially the Gryffindors for making mistakes but at the same time didn't try to tell them how to fix their mistakes.

Neville like in the book made a mistake again and melted Seamus's cauldron and needed to go to the hospital wing. Snape somehow make it Harry's fault, so he took one point from Gryffindor. 'As they say, easy comes easy goes'

I (And Blaise) was(were) the first to successfully brew the potion after I did the last wave with my wand producing Mexican-pink smoke. After that professor, Snape came to our table to inspect my(our) potion.

"Top quality as I would expect from someone of my house, but… I notice that you didn't follow the instructions."

"I didn't sir, while the recipe is good and made so the most possible amount of people can use it, there are variables like the amount of heat, the quality of the ingredients, the size of the needles, and other factors that were not were taken in consideration since most of the time the potion will be 'successfully' brew but the quality of it will be different every time it is made. So, I decided to make some adjustments to increase the quality of the potion."

"Very clever Mr. Hoshimura thinking outside the box instead of just following the instructions like a brainless idiot… 5 points to Slytherin." Snape said as he left to check on the other students.

"Dude that was awesome, I must admit that I don't understand how you came out with some of the changes, but do you think that you could give me some pointers in the future?" Asked Blaise more relaxed than before.

"Brawns and brains, hu? You are quite something." Daphne commented.

"No joke, where do you learn to make potions?" Tracey asked.

"This actually was my first time making a potion but I used my cooking experience to figure it out" 'And magecraft but you don't need to know that.'

"Cooking…"

"Experience?"

"You are joking, right?" Asked an incredulous Tracey.

"Nope"

Both Tracey and Daphne stared at me with a deadpan expression.

"Can you make some food for me?" asked Tracey

"Sure, no problem," I said immediately since I like looking at the expression that people make when they taste my food.

"Sign me in."

"Me too,"

Blaise and Daphne also wanted to taste my food.

"The more the merrier, tomorrow is Saturday, so I have more time available."

Everyone nodded at my words and after class, we decided the hour for us to meet so they could taste my food.

'Well, what should I make tomorrow?'

Hello everyone, I hope you enjoyed the chapter.

So first of all I want to apologize for not updating the last week, I really felt very sick but am now at 100% so I will start updating again. So don't worry I am not dropping.

Also, I want to thank everyone that sent me their best regard for my recovery, thank you a lot guys and gals.

So this is Yozora first interaction with non ***hole Slytherin members and quite it went very well if I had to say. Also, Harry is taking his studies a little more seriously here. He won't be a super genius or book rat but at least he would actually read his schoolbooks from time to time. Ron keeps telling everyone that Yozora is trying to use Harry, what do you think about that?

Remember that in the start I clarified that will not be with all the time with the golden trio since I want to write his interaction with more characters so expect more the introduction of more people.

Well with anything else to say, thank you for reading, if you like the ff so far please leave a review it will help me a lot so more people start reading it. Also, leave a comment with your thoughts and maybe drop a stone or two hahaha.

See you again in the next chapter.

Author out.