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DXD: A Demon Lord's Hero

Fanfic is called "A Demon Lord's Hero" by the author Fahad09 . You can find him on Fanfiction.net or Ao3, or simply just search his name on google. "A Demon Lord's Hero" has 26 chapter and has over 400k words. Last updated on May 12, 2020. It is a crossover between Fate/Stay Night and Highschool DxD with a pairing of Shirou EmiyaXSerefall Leviathan. === Summary: When I sold my soul to the Devil, I thought I was prepared for anything. I wasn't. I didn't expect him to be a her. Or dressed up as a magical girl carrying a pink wand tipped with a cheerful yellow star. Her being a prankster however didn't come as much of a surprise. You know, the Bible would have been a whole lot more interesting if they included stuff like this. Complete AU ===

Babel_Tower · アニメ·コミックス
レビュー数が足りません
21 Chs

Noble Phantasms & Character Stats

 ===[Info Dump Chapter]=====

This page is the NP and character stats page. As usual people who don't like this stuff can skip without consequence. This chapter is rather rough since I didn't have as much time to spend on it as I wish but I plan to go over it soon and fix it up.

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Noble Phantasms and Character Stats

Name: Excalibur Mimic

Type: Anti-unit

Rank: D +

One of the seven fragments of this realm's Excalibur.

It has the ability to transform itself into any shape, weapon and material it's wielder desires. Due to this ability no one know it's true form, as even when left alone it will remain in the form it took last* (look bellow in the notes located at the bottom of this entry for more detail).

What is perhaps its most remarkable trait is its ability to completely disregard its mass. It can shrink itself down to the size of a pin or grow as large as refrigerator with ease. However after reaching the mass of 3 cubic meters, it become more difficult for the sword to increase in size but not impossible.

Up till the 3 cubic meter limit, Excalibur Mimic is capable of generating the additional mass under its own power. However afterwards it requires an outside source of Prana. How much more depends entirely on how much more mass is wanted as the amount of Prana needed would continue to increase exponentially.

Theoretically it has no limit but in practice it is impossible even for the most powerful of human magicians to increase its mass to the size of a large Truck.

Shirou is able to overcome this limit by projecting more than one sword, however this comes with a drawback of its own. Excalibur Mimic requires a massive amount of concentration to shape and even Shirou, with his well-disciplined mind, cannot wield more than two of them at the time effectively while moving in combat. Eight of them will require his entire concentration to wield effectively, so much so that he is no longer able to spare any of his mind to process the information his sight is bringing him, effectively leaving him blind.

Shirou is able to work around this problem by using Excalibur Mimic to sense the world around him instead. While he is incapable to see through the Excalibur he is able to sense anything it touches (or more accurately anything that sends vibration down the sword by either blocking its path or bumping into it). He sends thin 'tendrils' into the air to act as a warning system to anything approaching, while sending 'vines' along the floor to look for any enemies standing on the ground around him.

He is able to wield this skill effect thanks to a previous wielder who developed this method in order to fight effectively in the dark (though at a much smaller scale than Shirou). In reality, the wielder would more often than not use this skill to get things from around the house when he is too lazy to get up and do it, rather than combat.

Notes:

* This event had led to one of the most embarrassing scandals in the Church's history. As one of its past wielder's had, unknowingly to the rest of the Church at the time, being using Excalibur Mimic as a dildo. This was discovered after the wielder was found dead in his (Yes, his, that wasn't a typo) bedroom, having passed away from a heart attack. As no one except the wielder can alter the shape of the sword they had no choice but to leave it in the form it was found in until a new wielder can be found. It took 12 years for the Church to find a new user, and every time a potential wielder appeared they would be given the holy dildo and asked if they felt any connection to it. Keep in mind that most of the candidates were children, some as young as eight at the times, and you can imagine the awkward questions that were raised. Poor Shirou, due to his ability to read a sword's history, knows all of this in intimate detail.

Name: Excalibur Rapidly

Type: Anti-unit

Rank: D +

One of the seven fragments of this realm's Excalibur.

It has the ability to greatly boost its wielder's speed, granting even ordinary humans the ability to reach D rank Agility or higher with a skilled enough wielder. However this effect is diminished in the hands of a wielder that's already fast as the sword does not multiply the wielder's speed but adds to it. In the hands of someone possessing a rank of E- Agility will find himself becoming several times faster while in the hands of someone possessing a rank of B Agility may notice his speed only increasing by as little as a tenth of his maximum speed.

Shirou would often use this blade in combination with reinforcement when he wants to draw out every drop of speed he can.

Excalibur Rapidly contains a massive amount of Prana in comparison to its low rank. The reason why it was rank so lowly was due to the fragility of its physical body that was primarily designed to harness the power of the Excalibur fragment instead of acting as a physical weapon, thus leaving it with a frail shell. And it is due to the amount of Prana it and the other Excaliburs can hold that make them so destructive when 'broken' in comparison to their rank.

It is also the potentially most likely of all the Excalibur fragments to shatter. This is due to the increase of momentum in the swing of its wielders cause but the increase in speed it grants, however this does not lead to an increase in the sword's durability making it more susceptible to damage.

Please not that using multiple version of this sword does not increase the wielder's speed as the effect does not stack.

Name: Excalibur – The Sword of Promised Victory

Type: Anti-Fortress

Rank: A++

To all those who lays upon this sword, rejoice for you had witness 'Glory'. Few can look upon its beauty and not be changed.

The strongest and most majestic of all Holy Swords that symbolizes King Arthur, the pinnacle of Holy Swords. Excalibur was not forged by mankind but crystallized within the Earth, using the wishes of mankind as the basis.

Excalibur converts the Mana of the wielder into light, and as the word is swung, the light is released from the tip of the blade like a laser beam and destroys everything in its path. Of course, the Mana consumption is extreme and even for Shirou with his inhuman amount of Prana supply it cannot be fired consecutively. The beam fired is so powerful that there exists almost nothing that can withstand the full blast of the sword and survive.

Shirou is reluctant to ever summon Excalibur outside of his Reality Marble. Not only is the Prana cost of Projecting and activating the sword much higher outside of his Reality Marble, in addition to the destructive nature of the sword that would almost guarantee a catastrophic amount collateral damage, but the sword would also be an imperfect copy.

For a Sword too beautiful to be called merely beautiful to create an imperfect copy, no matter how small the flaw, is something abhorrent to him. As unwilling as he is to see its beauty marred in any way, in addition to the other complications, he would only summon the sword outside of his Reality Marble in the most desperate of circumstances.

Since it is a Holy Sword not constructed by the hands of a God, it does not share the same characteristics that other Holy Swords that do. In this universe, 'Holy' is in an artificial element, one that does not exist in nature but must be created by Divine beings. Thus Holy would often reflect the will of the God that created it. That is why Holy Swords created by God is so deadly towards Devils, his rejection of them is reflected in the swords power.

To properly wield Excalibur, Shirou needs to be able to use both his hands. If one of is his hands is unable to function, or he is too physically weakened the bare the strain of the sword, Shirou cannot use the sword without risking losing control of it.

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Sword Classification:

Holy Swords:

Please see previous entry for details (Devil's guidebook 3)

Light Swords:

Swords crafted from the element of 'Light' itself. Unlike Holy Swords, Light swords can be crafted by mankind and often is. It is the preferred weapon of choice for the servants of the Church as they are extremely effective against Devils (though nowhere near as potent as Holy Swords) and other creatures of darkness such as Vampires. What make these swords incredibly popular is the capacity for anyone to wield them.

Light Swords should not be mixed up with Holy Swords, as they are two completely different things. While it is possible for a Sword to contain both Holy and Light power, as the two elements are highly compatible with each other, they are not one and the same.

Weapons that contain both Holy and Light elements are perhaps the most deadly weapon in existence for Devils, such as Spear of Lights created by Angels, and is one of primary contributing reason why Heaven is still in equal standing with Hell despite the Devil's growing numbers and the existence of two Super-Devils.

Divine Swords:

The weapon of the Gods themselves.

Divine Swords are blades crafted by the hands of Divine beings and are meant to be wielded by them. Often a God or Divine entity will keep a portion of their own powers in the heart of these weapons, empowering them. Each of these weapons have the potential to wound or even kill Gods, as that is their primary purpose. They are swords made to be wielded by God to kill other Gods.

Divine Swords are however never meant to be wielded by human hands.

This is made especial clear simply by looking at them. Some are so large that they tower over even the tallest of buildings and weigh just as much, while other are crafted from living flames and burn as hot as the molten heart of the earth. Many warriors have died simply looking upon some of these blades let alone trying to wield them.

However there are exceptions to this rule. A rare few of these blades can be wielded by humans such as the Ame no Murakumo no Tsurugi or as it is better known as Kusanagi, the Grass-Cutting sword.

Demonic Swords:

Swords crafted by Demon-Kind and infused with their essence (for more information on what qualifies as 'Demon', please look up Demons Races in upcoming chapters)

Out of all of the swords these are the hardest to define as they vary so greatly in nature. Demonic Swords take on the characteristics of the power used to forge them, which is often the same as the race the crafted them.

For example Devil made Demonic Swords are often far stronger than ordinary swords, even magical ones, and are much sharper making them incredibly destructive by nature. They also can hold an additional element as well, such a Fire or Wind Demonic Swords (several of the swords crafted by the Sacred Gear Sword Birth is an example of this). However like Devils they are weak against and become less effective when match against Holy or Light Swords.

Demonic Swords crafted by Yokai races are often tied into to Youjustu and can either help cast spells of such nature or empower them. There are several of such swords that enable their users to cast illusions in combat.

However be warned, that using Demonic Swords will always require a sacrifice of some sort. It can at times be rather simple, such as fire based Demonic Swords needing to be fed the flames from a fire whenever their true power are to be used or even how the edge of some swords must taste freshly spilled blood before they can be sheathed (this can be circumvented by the wielder pricking their own thump at the tip of the sword).

Other swords however require a sacrifice of a far darker nature.

Be wary if you should ever find yourselves with a Demonic Blade that requires no sacrifice, don't let yourselves be fooled. There is always a price, and you will pay it every time you wield such a blade whether you are aware of it or not.

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Name: Kokabiel

Master: God Almighty

Official Rank: A Lord of Grigori – Twelve-wings

Race: Fallen Angel

Strength: B

Endurance: B

Agility: B

Mana: B

Luck: D++

Scared Gear/ Ability/ Weapon: Spears of Light A

Racial skill:

-Fallen Angel:

As a Fallen Angel, all basic and advance abilities of a Fallen Angel are available to him.

Personal Skills:

Ascension: A

To gain a new pair of wings, Angels (Fallen or not) need to increase all of the base parameters to match that's of Angels who were born with that number of wings. Increasing one parameter, not matter how much, is simply not enough for an Angel to Ascend.

Kokabiel, born with ten-wings, has ascended to the highest possible form an Angel could become, a twelve-winged Angel.

To do so was no easy task, as for him to ascend he need to raise all of his parameters of Strength, Agility, Endurance and Mana to the Rank of B. It was only after he spent 800 years constantly training did he succeed in doing so, becoming one of only two Angels that have not been born as twelve-winged Angels to Ascend to such a rank.

Charisma: A

Beloved by friends and enemies alike. Such is his charisma that enemies that he had fought and attempt to kill several times in the past are still willing to greet him with open arms and call him a friend. There have been several occasions where in their first meeting Kokabiel was able to gain the loyalty of complete strangers to follow and fight alongside him.

Kokabiel had been able to lead a Legion of 35,000 Angels to willingly Fall in service of their God. Even after of his death there are several remaining fallen who are still obeying his final commands. This has granted him the Rank A in Charisma.

Charisma is the natural talent to command an army. Increases the ability of allies during group battle. A rare talent that is said that a rank of B in this skill is sufficient to lead a nation as its King.

Soul of a Martyr: EX

Such was his devotion to God and his cause that it caused him to Fall from Heaven. Ordinarily Angels can only Fall when they succumb to the darkness or betray God but Kokabiel was an exception. Kokabiel's desire to fulfil God's will as humanity's protector has surpassed God's system and he had succeed in forcing himself to fall. This has granted him the Rank of Ex due to the system that governs the world no longer able to accurate assess it.

Soul of a Martyr is the mental protection that negates mental protection that negates mental interference. When it came to fulfilling the will of his God, death held no sway over Kokabiel. Not even the risk of never returning to Heaven after his Fallen could deter him.

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Name: Asia Argento

Class: Bishop

Master: Emiya Shirou

Official Rank: Low-Class Devil

Race: Devil / Human

Strength: E- ~ ?

Endurance: E- ~ ?

Agility: E ~ ?

Mana: D++

Luck: D

Scared Gear/ Ability/ Weapon: Twilight Healing A

Racial skill:

-Devil skill:

As a Reincarnated Devil, all basic abilities of a Devil are available to her.

Personal Skills:

Curiously Killed the Asia: B

Entrapped by physically walls of the church and the immaterial but no less real chains of her role as a Holy Maiden, Asia was denied the world. Forced to only witness many of its wonders through the window of her room or learn of it from the pages of a book, she has always longed to experience the world outside. Only from afar, always watching never experiencing, that is the only way she was permitted to know of it.

But not anymore, for at long last Asia is unbound and free. And she fully intends to take full advantage of it. She has a full world of wonders to explore and nothing is going to stop her. Not even common sense or survival instinct.

At this Rank, Asia's curiosity would compel to explore anything, try everything and nothing but immediate physical harm would deter her.

Expect to find her exploring every new corner, taste every new food and drink, play around with any unknown electronics, and start conversations with complete strangers. Do not be surprised to find her leaping head first at the chance to experience or explore whatever novel thing that happened to catch her interest.

As Shirou has discovered, leaving Asia unsupervised for long is a bad idea as she will be unable to resist poking her nose into anything she can find no matter how much common sense would tell her not to. Even leaving her at home will not guarantee her safety.

This would often lead her to suffer painful consequences as not everything that she tries will end up as an enjoyable or even benevolent experience. Through all the mishaps her tiny adventures may cause there is one thing that becomes painfully clear to anyone watching her.

Asia is happy, unbelievable so. To her the greatest treasure, her most sought after wish has finally been granted. To be able to explore this wonderful, hideous yet beautiful world fills her with such joy that no matter what happens, even should she die today she would now be able look back at her life and say with a smile: 'That was a life worth living.'

Greed (personal Sin): C-

Despite knowing that she can saves thousands of more lives if she had decided to remain at the Church as a Holy Maiden, Asia chose to leave instead in pursuit of her own freedom and happiness.

The largest effect of this Sin is where in the past Asia would put the betterment of other people above her own needs no matter what the cost. That is no longer the case. While she is still more than willing to go out of her way to help others, she is no longer willing to do so if it meant that she would have surrender so much as a drop of her freedom.

Her Greed is her freedom, to choose and explore, and she will never willingly give that up ever again not matter the cost. While she is more than willing to follow Shirou's orders that is only because her trust in him and because she chooses to follow him out of her own free will.

A warning to all that plan to face her greed, that beneath all of her kindness, there lies something unbelievably frightening. The brighter the light the darker that shadow has never been more apt than with Asia.

Healing magic and medical knowledge: B+

Despite being the wielder of Twilight Healing, or more precisely because she is the wielder, Asia knows a massive amount of medial knowledge, both of the mundane and magical variety. More than enough for to be qualified as a Doctor despite her age.

Combined with Twilight Healing she is able to heal almost all wounds and illnesses at a remarkable speed. This includes regeneration of organs and limbs, though it would take her a considerably longer time to do so. The only limit to her healing is that she must understand both the injury/illness and what the original healthy state her patient's body is supposed to be.

Her healing capabilities are more effect with someone who she has treated before as familiarity with the patient makes it easier for her to heal them. When Twilight Healing is used on members of either the Peerage she is part of or her own Peerage it becomes far more effective. Partly in due to the similar magic flowing through all of them, and in part due to the familiarity that naturally comes with spending time around them (Asia, despite how she may act at time, is extremely observant of her surroundings).

What makes Asia, along with other wielders of Twilight Healings, unique is their ability to completely bypass any magic resistance when healing. In most cases, a Devil's (or other magical beings) resistance will block out any and all types of magic including healings spells. The stronger the patient's magic the stronger their resistance becomes, making it incredibly difficult for powerful Devils to be healed by conventional means. However with the power of the Twilight Healings Asia does not face this problem making her, and other like her, highly sought after.

Understanding: A-

A peculiar gift rarely ever seen only outside the wielders of Twilight Healings, and even them almost never this strongly.

While this can develop in many different forms Asia's is especially good at understanding people. Unlike empathy, which is the understanding of a person emotions, this is akin to understanding a person's very natural. At this rank Asia can get a deep insight to a person by merely interacting or observing them for a few minutes.

The only real limit of this ability is that whatever it is Asia is trying to understand must be possible to be comprehended by a human or a Devil's mind. Things that are either utterly alien in nature or too complex to be comprehended by mortal minds are impossible for her to understand.

However this also mean that Asia has been exposed to the darker side of human nature at a very early age, leading to the loss of the nativity most people her age would have.

Biblical Knowledge: B

Raised in Catholic Orphanage then taken and spent most of her life in the Vatican, Asia had access to a large amount of religious and biblical information. This in combination with her own personal desire to search for God had led her to read and retain a large amount of Biblical Knowledge.

She has attained a Rank B which makes her as knowledge if not more so than the people of the cloth. She is also skilled in theology and any kind of religious debates in general, and unlike many other she is open to unorthodox approach to religion and ideas that are general not accept by the more conservative priests.

Status effect:

Mutating Body: N/A

A completely new phenomenon that has never been witness the like of in Reincarnated Devils before, completely unique to Asia. Almost nothing about this effect is known nor understood. What little is known is that Asia's physical body is changing drastically and is already showing signs of affecting her physical capabilities.

Only time will tell what this will lead to and whether the changes are beneficial or harmful.

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Skill ranking for mundane skills:

E: working knowledge – Someone who can use this skill but only at a basic level.

D: intermediate Level – while they are skilled in this field but not good enough to properly teach anyone.

C: Expert – Skilled enough to be a professional or to act as an instructor.

The C Rank is the highest rank an average human can obtain no matter how hard they try. To proceed past this rank one needs either a large amount of natural talent, dedicate their lives to this skill or need assistance of a magical nature to reach B Rank.

B: Mastery – At this rank you are among the best in the world at this skill. Only a handful of people can surpass you.

A: The skill is completely mastered. It is no longer possible to gain any signify better. Among the best if not only among the living but in history.

===Chapter End======

Read more chapters at:

archiveofourown.org/users/fahad09

https://www.fanfiction.net/u/4141631/Fahad09

Read more chapters at:

archiveofourown.org/users/fahad09

https://www.fanfiction.net/u/4141631/Fahad09

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