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Fan Fic: Fate Zero Sanity
"The Fourth Holy Grail War has begun. However, Angra Mainyu has decided to replace some of the Servants with more... interesting characters. Now, Servants, old and new, must battle for the Grail in a war unlike no other. Perhaps, for some, fate can be changed. Inspired by The Infamous Man's Fate: Zero Sense."
The description for X The Reaper's Fate:Zero Sanity

Fate:Zero Sanity is a fanfic by X The Reaper, inspired by The Infamous Man's Fate/Zero Sense. It is posted on and is now complete.

Like other fics inspired by The Infamous Man, Servants from the original Fourth Grail War are replaced by characters from other works of Fiction, with the exception of: Saber, Rider, and Archer.

In this, Obito Uchiha from Naruto is the servant of the Assassin Class. Whitebeard from One Piece is Lancer. The Berserker class has been filled by Maka (along with Soul) from Soul Eater. Caster, in this fic, is Natsu from Fairy Tail. To cap it all off, we have the Avenger class appearing to be filled by Alucard, from Hellsing, with a dash of personality from Hellsing Ultimate Abridged.

While at first the fic appears to run on the standards of most multi-crossovers, it becomes rather obvious from the roughly halfway that this isn't the standard, and not just in terms of 'replace Servants and see where the plot goes from there'. There appears to be another group working from behind the scenes observing events, and within the Holy Grail Angra Mainyu is not alone.

Filled with action, surprising Character Development, and well-written scenes of interactions between Masters and Servants, this fic brings something rather new to the table.

This fanfic provides examples of:

  • Anti-Villain: Assassin and Kirei fall under this. The later performs a Heel-Face Turn near the end when he comes back to life, saves Berserker and Soul, and destroys the Grail fragments. The only thing that keeps him from being a full-out hero is that he still enjoys the suffering of others.
  • Asshole Victim: Uryuu.
    • Zouken even more so.
    • Surprisingly averted with Kayneth. You can tell the author went through the trouble to make you feel something other than "good riddance" for him.
  • Arranged Marriage: Due to the fact that the Arranged Marriage between an Archibald and a Sophia-Ri still stands, Sola-Ui and Waver are wed as a compromise in order to officially induct the later into the family.
    • Happily Married: Despite a bit of a rough start, Waver and Sola Ui's marriage eventually becomes this.
  • Awesome Mc Cool Name: Ordinis Sancti Gladius, the Order of the Holy Sword. Overlaps with Gratuitous Latin because the name and the members don't quite match up when you think about them.
  • Badass: Everyone.
    • Handicapped Badass: Assassin becomes this by the final battle. He's lost his right eye, preventing him from using his intangibility and his Six Paths of Pain from his previous battle, but he still holds his own against Caster and Berserker at once, had the former on the ropes before the other appeared, and nearly kills the later. Helps that he still had the Rinnegan.
  • Badass Army: Rider's Ionian Hetairoi, as per canon. Avenger has his own: Vampire King: Army of the Dead. And yes, the two do fight each other.
  • Bash Brothers: Rider and Caster eventually partner up and continue in this fashion throughout the Grail War until Rider's death.
    • Lovely Angels: Saber and Berserker, likewise until Berserker is forced to kill Saber.
  • Beam-O-War: Played with. During the battle between Archer vs. Saber and Berserker, the later two use Excalibur and Kishin Hunter combined against the former's Ea. While at first the two sides are evenly matched, Ea quickly overwhelms the other two and blasts the two Servants.
    • However, Saber and Berserker did survive due to their attacks weakening Ea's strike.
  • Big Bad Duumvirate: Shared between Kirei and Assassin, unsurprisingly. However, considering that many of their actions are not overly evil or cruel, and that they have many Pet the Dog moments, it's really only when compared to the others that they come across as villainous.
    • Bigger Bad Duumvirate: However, the two presences within the Grail immediately come across as this.
  • Big Damn Heroes: Berserker gets in on this a lot.
    • Avenger pulls this at one point to save Rin's life.
  • Bittersweet Ending: Once again, the Grail is still destroyed and the Great Fire still happens. However, Berserker, Soul, Sola-Ui, and Maiya all survive; Aoi doesn't become a vegetable; the remains of the Grail are completely destroyed; Zouken dies and Sakura is returned to her family; and Kirei becomes a good guy (sorta).
  • Came Back Strong: Of the not-quite dead variety and overlaps with Nice Job Breaking It, Hero. Getting shot with Kiritsugu's Origin Bullet cost Kirei his left arm. Assassin replaces it and a good deal of his left side with the same material that constitutes his own right side. For extra measure, he also replaces Kirei's left eye with a Sharingan.
  • Combined Energy Attack: Saber and Berserker use this twice: The first time against Avenger's Badass Army and the second time against Archer. It fails both times: The former because they were just so many enemies, and the later because of Ea.
  • Cool Big Sis: Maka Becomes one to Shirou after the War.
  • Cute Bruiser: Several Servants bring up the fact that for a Servant of Madness, Berserker is surprisingly small and sane.
  • Did You Just Punch Out Cthulhu?: Lancer killing Avenger, Saber, Berserker and Soul killing Archer.
  • Did You Just Scam Cthulhu?: Assassin, did you just use a Command Seal on ARCHER?!
  • Dimensional Traveler: Ordinis Sancti Gladius. They are able to travel to any dimension, even dimensions not apart of Akasha by what appears to be the usage of the Second Magic.
  • Equippable Ally: Soul is Berserker's Sinister Scythe and main Noble Phantasm, but he still has the ability to manifest in human form and interact with others.
  • Evil Counterpart: His Noble Phantasms and abilities make Avenger this to Rider and Lancer.
  • Evil Feels Good: Still Kirei's motif. Even when he pulls a Heel-Face Turn, he still finds this to be true about himself. Not that it really bothers him by that point.
    • Good Feels Good: That said, he's genuinely happy when he does a good deed without any evil desires attached. Such as comforting Rin after Tokiomi's funeral.
  • Face Death with Dignity: All the Servants die content, or at least calmly, when defeated, no matter who their opponent was. Even Saber dies with some measure of peace, thanking Berserker and Soul mentally for their friendship and forgiving them for stabbing her through the chest to try and stop the Grail's destruction.
  • Fire-Forged Friends: Saber and Berserker ultimately form what is potentially the most positive relationship between Servants in the entire war. How do they do this? Fighting Avenger in the Einzbern Forest.
  • For Want of a Nail: The story's entire premise. This was obvious from the beginning with the inclusion of the Avenger class, but only really took off when Kirei is shot by Kiritsugu during the attack on the Einzbern Manor and barely survives.
    • In Spite of a Nail: Even so, several things do stay the same regardless. The first Servant battle at the dock is more or less identical to canon, and the King's banquet still happens, albeit with most every Servant joining in now.
  • Good Thing You Can Heal: Avenger. He gets whole limbs hacked off, pierced clean through with multiple projectiles, and even hit point-blank with an Excalibur blast, and he shrugs it all off. It takes him using Vampire King: Army of the Dead, when he releases all of his contained souls for the battle, in order to leave him in a position to be killed, and even then, he refuses to go down easily.
  • Graceful Loser: Surprisingly every Servant who dies does so without any real malice towards their killer. Even Archer's genuinely respectful of Saber and Berserker for cutting him down.
  • Half the Man He Used to Be: A vertical example. This is how Berserker finishes off Assassin in the end.
  • Hidden Villain: The second being within the Grail remains mostly unknown throughout the story, referred to at various points as Reaper or Grey. It's only once the epilogue arrives does Angra Mainyu finally reveal his name at his own request: Prometheus
  • I Am What I Am: How Kirei ultimately comes to view his tendencies. Funny what dying will do to change a person's perspective.
  • Impaled with Extreme Prejudice: How both Archer and Rider meet their ends. Multiple times for the later, courtesy of Assassin, and combined with a Wave Motion Gun from Saber for the former.
    • Assassin subjects this to Berserker twice. It fails both times.
    • Berserker uses this on Saber to stop her from destroying the Grail. It succeeds, but Kiritsugu's Command Seals prove stronger still...
  • Irony: Archer makes several comments on killing the other Servants. Archer is the third Servant to die.
  • Karma Houdini: Averted with Zouken. When it looks like he avoided getting killed by Tokiomi and is about to get away scot-free at the end, cue two members of OSG knocking on his door sent by a surviving Berserker and Soul...
  • Little Miss Badass: Rin goes off on her own to save her friend Kotone from a serial killer, encounters Avenger, doesn't flinch in his presence and tries to help him fight Grand Fisher by shooting Fisher with Casull, one of Avenger's Noble Phastasms that even adults would find frighteningly large which ultimately breaks her wrist upon usage. By the end of their little adventure, Avenger is quite impressed with the young magus.
  • Memento MacGuffin: After he saves her, Avenger gives Rin his Casull in the form of a silver cross because she managed to impress him with her courage.
  • Mutual Kill: What ultimately happens to Avenger and Lancer, though the later survived a little longer.
  • My God, What Have I Done?: Tokiomi gets hit with this big time when Kariya tells him about what Sakura's 'training' really amounts to. In fact, it's enough for him to go and attack Zouken and burn the Matou Manor down in anger when he thinks she's been killed. Even then, it still hits him throughout the remainder of the story right up to his death.
  • My Greatest Failure: Saber, as per canon, considers her failure to prevent Camelot's fall to be hers, though she has another one that might be even bigger: Her role in Mordred's betrayal, refusing to acknowledge her as her successor because her bitterness against Morgan le Fay. She even flat-out admits that if she had, Camelot wouldn't have fallen, at least not in their lifetimes. This admittance only comes near the end, when she fights an illusion of Mordred created by a trap set by Assassin.
  • The Omniscient Councilof Vagueness: Ordinis Sancti Gladius fits this. They only appear at several points through the fic, and only truly become involved at the very end when all is said and done. They're also made up of people from Bleach, Hellsing, Mega Man ZX, My Little Pony: Friendship Is Magic, Red vs. Blue, and apparently Puella Magi Madoka Magica. Their apparent ties to Wizard Marshall Zeltrech might have something to do with this...
  • Out-Gambitted: Archer believes that he is the Fourth Grail War's resident Magnificent Bastard. He is gravely mistaken and ultimately taken advantage of by Assassin, the War's true Magnificent Bastard, ending in Archer's death via Saber and Berserker.
  • Papa Wolf: Zouken found out the hard why you don't harm one of Tokiomi Tohsaka's daughters... even if he got away.
    • Until the end...
  • Pet the Dog: Assassin, even when he's just betrayed Tokiomi, stolen his Command Seals, placed him under an illusion, and is now about to devour his soul for an extra power boost to defeat Rider and Caster, still feels enough pity for him to make his final vision in the illusion that of his daughter Sakura forgiving him for actions that he had been beating himself up for earlier in the story.
  • Poor Communication Kills: Thankfully averted between Tokiomi and Kariya. When they encounter each other this time, Berserker and Soul have convinced Kariya to give Tokiomi a chance to talk, Aoi and Rin are nearby, and they're all in a public hospital. This is crucial because not only does it allow the two men to understand each other, but it's what motivates Tokiomi's My God, What Have I Done? and Roaring Rampage of Revenge against Zouken.
  • Red Baron: Besides the known epithets (King of Knights, King of Heroes, King of Conquerors), we have:
    • Fourth Sage of the Six Paths: Assassin
    • King of Vampires: Avenger
    • Meister of Death: Berserker
    • Salamander: Caster
    • Emperor of the Sea: Lancer
  • Red Eyes, Take Warning: Archer, as Nasuverse Divine or Semi-Divine beings like him have these. Avenger has red eyes also.
    • Subverted with Soul, one of the genuinely good guys.
  • Roaring Rampage of Revenge: Tokiomi did not take well to learning about what Zouken's training methods amount to at all.
  • Sanity Has Advantages: Berserker, the not-so-Mad Servant. While she does have Mad Enhancement (with it even tied to one of her Noble Phantasms) she spends most of the story perfectly sane.
  • Survivor Guilt: As per canon Shirou develops a case of this, for being one of the sole survivors of the Fuyuki Fire. OSG plans to help him find a outlet for it by making him a member.
  • Sword Beam: Berserker has this at her disposal as a Noble Phantasm and can set it to three different levels of power. She uses the second level for a good deal of her fights, saving the third and strongest level for major finishers and using the first perhaps twice throughout the fic.
  • Teeth-Clenched Teamwork: Servants in actual alliances notwithstanding, anytime Avenger arrives on the scene, expect any other Servants there to team up on him. Even if they were up to that point just trying to kill each other.
  • Took a Level in Kindness: Kayneth undergoes this throughout the story, in no small part due to Lancer's actions and memories.
  • Unstoppable Rage: Surprisingly, Berserker doesn't have this going for her. Played straight with Caster, however, after Rider's death. He completely loses it on Assassin, and would have killed him had the later's Master not used a Command Seal to get him out of there.
  • What the Hell, Hero?: Saber is once again called out by nearly all the other Servants on her wish for the Holy Grail, with the exception of Archer who finds the whole thing hilarious.
  • Worthy Opponent: Saber is this to many Servants, notably Berserker and Caster. Archer even says this about Saber and Berserker before dying.
  • You Are Better Than You Think You Are: When Saber starts to question herself after the events of the banquet and Rider's accusations, Berserker and Soul comfort her with this, stating they wouldn't have anyone else as their partner.
  • You Are Not Alone: Combined with the above trope, Berserker and Soul comfort Saber after the Servant banquet and tell her that they will stay by her no matter what. This event is the turning point where Saber starts to truly accept them both as friends.
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