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Voiced by Kana Hanazawa
The Seventh Master, with the title of Princes. The daughter of a magus, her father and older sister Manaka died in the previous Holy Grail War and she now lives by herself. Suffers from low self-esteem and low talent in her family's magic. Summons the Servant Saber after being attacked by Lancer.
- Animal Motifs: Crows; in the OVA she's seen attacking with black feathers.
- Adaptation Dye-Job: Eye variation from black to blue.
- Big Sister Worship: She admired her sister when she was a young child. Unfortunately for her, their relationship goes south when Manaka tries to kill her out of jealousy because she happened to have a talk with Saber that results in the latter abandoning his wish for the grail.
- Blood Magic: Her father had ordered her to sacrifice an animal each morning. Unable to do so, she uses her own blood as a substitute.
- But Not Too Foreign: It's mentioned in the prequel series that she and Manaka are actually half-British through their mother.
- Cain and Abel: The Abel to Manaka's Cain.
- The Cameo: First appeared in a material book known as "Character Material", and also made an appearance in a Yonkoma Spin-Off called Fate/school life
- Dude Magnet: She has moments with Saber, Archer, Lancer, and Rider, with Archer being the one who's most blatantly in love with her. Hilariously lampshaded by Ciel much to Satsuki's envy in Type-Moon's 2013 April Fools' event.Ciel: You know she's got herself a harem of not one but three hot guys at her beck and call, right?Satsuki: SHE HAS TO DIE.
- Expy: Ayaka basically serves as the basis for three characters in FSN. Namely Shirou, Rin, and Sakura. To wit;
- Much like Shirou, she's the Master of Saber, one of the strongest Servants in the Holy Grail War, who also happened to serve a relative of theirs in the past war. Arthur is also hampered by the fact that Ayaka is one of the weakest Masters, same way how Artoria is hampered by Shirou's own ineptitude as a Master. Outside of their story roles, she's also a specialist type of magus whose talent lies in a field of magecraft that is considered basics for most magi note and both only really discover said talent through someone spurring them on. note
- In regards to Rin, she's the daughter of a magus family that was torn apart thanks to the past Holy Grail War, ending up an orphan as a result and living in Big Fancy House by herself all the while being acquainted with a Catholic Priest who later turns on her. Physically, she and Rin even look similar to each other. The latter even wears glasses at times, increasing said resemblance. Both also use "magic bullet" like attacks note and live a dual life of being a struggling magus and a student. It's even stated in material that Ayaka's initial relationship with Saber resembles the one Rin would have with Archer. It's also worth noting that both girls are Tsundere towards their respective love interests, especially when Ayaka's glasses are off.
- As for Sakura, Ayaka happens to be the second daughter of her family much like her and has low self-esteem thanks to her much more talented older sister. Ayaka also gets sick at one point, much like how Sakura gets sick during Heaven's Feel.
- It may be coincidential but appearance-wise Ayaka is similar to Shiki Ryougi minus the Mystic Eyes. This beomes more noticeable once she stops wearing glasses.
- Feather Motif: Her crow feathers that she used for offensive spells, and that she bears a Command Seal that resembles a single feather.
- The Glasses Come Off: Whenever Ayaka does this, not only does her appearance change (with her hair and eyes growing brighter as if they were glowing), but her personality will also shift from being her generally weak, and very meek self, to being a more assertive, and outright aggressive person overall, a personality that's reminiscent of Rin's.
- The Glasses Gotta Go: She's noted to be more beautiful when her glasses are off, and her losing her specs is what signifies her resolution to willingly fight in the Grail War and to let go of her previous insecurities and weaknesses when she was originally forced into it. Interestingly, her personality takes a drastic change whenever she takes them off.
- Green Thumb: To be expected given that she's been taking care of her mother's greenhouse since she was a kid.
- Heroic Self-Deprecation: Has very low self-esteem and thinks of herself as someone plainly average, something she considers as a flaw.
- Hidden Buxom: As seen in Team Prototype's Hanafuda Scenario of the 2012 re-release of FSN, Ayaka's clothes do a good job of hiding how secretly stacked she is underneath. Her Chapter Heroine Sanctuary costume also speaks for itself as well.
- I Just Want to Be Special: She thinks that being average is a flaw. Considering her older sister was an extremely talented magus at a young age, it's not hard to see where she's coming from.
- Innocent Blue Eyes: Best shown when she was a child during the events of Fragments.
- Large Ham: In the Drama CD at least, as a consequence of her being the only straight woman there. It must be heard to be believed.
- Magikarp Power: She is unskilled in her family's native magic, but on Saber's suggestion she tries Formalcraft (which she describes as "thaumaturgy for dummies"). She finds that she has a natural talent for it, though what exactly that entails is left unclear.
- Meganekko: A charmingly pretty girl who uses glasses.
- Minor Living Alone: Since the rest of her family is dead, she lives by herself.
- Occult Blue Eyes: Glasses-off Ayaka is said to be much more powerful and assertive than her regular glasses-on self. In fact, her eyes (along with her hair) basically glow brighter when the glasses are gone.
- Only Sane Woman: Poor Ayaka is at her wits' end during the Drama CD.
- Parental Abandonment: Her father is dead by the hands of her sister Manaka, and her mother is mentioned in the prequel novels to have passed away some time after giving birth to Ayaka.
- Shrinking Violet: She is painfully shy and lacking in confidence at the start of the story, in a fashion similar to Sakura in the published F/SN. Interestingly enough, in spite of her awkwardness, she does have friends in school, albeit not ones she could call she's truly close with just like Rin at the start of FSN.
- Survivor's Guilt: Like Shirou, though how she copes with it differs greatly from his in that Ayaka isn't distorted in any way and that she kept most of her memories except for one particularly crucial piece of her previous life from before her family's death intact.
- Trauma-Induced Amnesia: Seeing the older sister she deeply admired sacrifice numerous young girls to the Grail as well as murder their own father before her eyes shook her so badly that she erased the memory of the event herself from her mind. Doesn't help that Manaka also tried to off her too before Saber saved her.
- Tsundere: Towards Saber, but it's more apparent when her glasses are off.
- World's Most Beautiful Woman: According to Archer, who considers her more beautiful than all the women of Uruk.
Voiced by Chiwa Saito
The Second Master, with the title of Cherubim. She is under a curse that eventually takes her life. Her Servant is Lancer.
- Curse: Was a victim of one as a kid which is said to come from her father, who casted it while dying "Die if you do not become a Master and get the Grail". It wasn't that easy: he apparently was mindcontrolled into cursing her, then attempted to undo the curse with no success, and then was killed by the real culprit: Paracelsus, who betrayed the Reiroukans and put the mindcontrol on his master. Misaya later fell victim to it.
- Disappeared Dad: Her father also was in the last Holy War, and died in it.
- Expy: While Ayaka is the actual character prototype of Rin Tohsaka, Misaya is the prototype of the role Rin would later hold - which makes it amusing that Rin was saved by her canon's Lancer. At the same time, her Your Days Are Numbered status is seemingly carried over to the eventual fate of Illyasviel von Einzbern (homunculus with a limited lifespan).
- Hellhound: Her familiars are black dogs.
- Power Gives You Wings: Seen with six wings in the OVA.
- The Rival: To Ayaka, according to the materials associated with ''Prototype''.
- Speaks Fluent Animal: According to the manual.
- You Remind Me of X: She reminds Lancer of his mentor, Scathach. Likewise, when said mentor became playable in Fate/Grand Order, her profile noted that she has a similar demeanor to a certain magus from Tokyo.
- Your Days Are Numbered: The effects of her curse.
- Zettai Ryouiki: Both in her normal clothes and her school uniform.
Voiced by Takehito Koyasu
The Absolute Void master, with the title of Absence. Supposedly a member of the Church's Assembly of the 8th Sacrement, he is in fact a member of an organization known as the Order of the Templars (presumably a splinter group) and is one of their top heretic hunters. His title comes from the fact that he's actually an anomaly in the Holy Grail War, being the eighth Master out of seven. His Servant is Berserker.
- Ax-Crazy: When he reveals his true colors to Ayaka, his demeanor changes from a somewhat stoic, albeit still sinister, man to an unhinged maniac who constantly screams out loud whenever he's onscreen.
- Church Militant: He's actually not part of the Church, but he still hunts "heretics".
- Expy: He would eventually evolve into the character of Kirei Kotomine, although "the priest" underwent the heaviest revisions of almost anyone out of the Proto cast on the way to F/SN; Kirei shares very few character elements with Sancraid.
- Faux Affably Evil: Once he reveals his true colors, he seems rather jovial, but his comments are incisively hateful.
- Laughing Mad: Once he reveals his true intentions.
- Numerological Motif: The number 8.
- Politically Incorrect Villain: "I detest Asians, especially the Japanese."
- Sinister Minister: Wouldn't be Kirei's analogue if he weren't this. Unlike Kirei though, he's much, much less subtle about the "sinister" part.
- Slasher Smile: Sports an amazing one during the montage sequence of the extended trailer.
Voiced by Aki Toyosaki
The First Master, with the title of Seraphim. The older sister of Ayaka, she had immense talent as a magus, and participated in the previous Holy Grail War eight years ago. Although she was killed during the war, she was resurrected by the Grail. Her prior Servant was Saber, and her current Servant is the Beast.
- Adorkable: Surprisingly, Manaka can be this as seen during one scene in the prequels where Saber gives her a kiss on the forehead, to which she reacts with embarrassment befitting a girl her age.
- Always Someone Better: To Ayaka. Ayaka's inferiority complex in Prototype stems mostly from Manaka being comparatively more talented and prodigious unlike her.
- The Antichrist: Strongly suggested to be one due to being called Potnia Theron, compared to evil dragons, having a Beast related attribute that makes her the master of all the Beasts, and how she plans on bringing about the world Arthur wishes for by using the Beast summoned by the Grail to kill most of humanity.
- Back from the Dead: After her death at the end of the First War, she somehow revives later on. How exactly has yet to be elaborated upon either, as lore indicates that true resurrection of the dead is near impossible, save for extremely specific circumstances.
- Big Bad: She drives forward both the plot of Prototype and Fragments and she's responsible for quite a few heinous actions.
- Blue and Orange Morality: Sees nothing wrong in sacrificing her father, Ayaka, and numerous little girls to the Holy Grail in order to power it. All for the sake of her achieving her beloved Saber's wish.
- But Not Too Foreign: It's mentioned in the prequel series that she and Ayaka are actually half-British through their mother. This would explain her blonde hair in contrast to both her father and sister.
- Cain and Abel: The Cain to Ayaka's Abel complete with attempted Sororicide in Fragments.
- Came Back Wrong: The twist is that she was already wrong to begin with.
- Child Prodigy: It's noted that she has an innate connection to the Root, and that she had few magic circuits in her but they were absolutely unrivaled in regards to quality.
- Combat Tentacles: She can use the contents of the Greater Grail that way.
- Cool Big Sis: To Ayaka before her true evil nature and obsession over Saber took over her in Fragments. This trait of hers stays in the Drama CD, but not without a hint of her usual nuttiness to add in the craziness factor happening there.
- The Corrupter: Being around her can make servants do questionable things or even betray their beliefs. Fragments Assassin and Caster both do things far worse than they normally would do while serving her.
- Creepy Blue Eyes: Serves as an evil contrast to her sister's Innocent Blue Eyes.
- Does Not Like Shoes: As seen in the image. Though during Fragments, she does typically wear cute pumps.
- Elegant Gothic Lolita: Her dress looks a LOT like a Sweet Lolita one.
- Enfant Terrible: She did all her horrible past deeds before turning 14.
- She was split into Ilya note and Dark Sakura note , and some parts of her backstory were incorporated into Kotominenote , Ryougi Shiki and Aoko Aozaki note .
- In a sense, she's also one for Altrouge Brunestud. Both have a "sister" they have a bad relationship with, and both act as the master of a Beast.
- Feminine Women Can Cook: Some time before the Grail War took place, since their mother passed away after Ayaka's birth. From then on, the very girlish Manaka handled most of the housework; she's certainly seen making breakfast◊ in some illustrations.
- For the Evulz: In Fragments, some of the actions she takes can fall into category due to them having no real motive aside from the fact that she can.
- Giggling Villain: Especially by the time Proto itself rolls around.
- Go Out with a Smile: When Saber rebelled against Manaka's orders and stabbed her to death in the First War, she couldn't properly process it, and thus died smiling sweetly at him.
- In the Back: How her Servant in the first war killed her.
- Lady and Knight: She wants to be the Black Lady to Saber's Knight in Shining Armor. Badly.
- Love at First Sight: Revealed to be the case with her towards Saber. Having foreseen her meeting with him at some point, she held expectations of her destined one and was more than happy to see that he exceeded them.
- Love Makes You Evil: Her meeting Saber is also the reason why she would later go on to commit the atrocities she does in the story. All for the sake of her beloved prince...
- Murder the Hypotenuse: Just seeing her sister Ayaka speaking to Saber and eventually succeeding in persuading him to let go of his wish towards the Grail was motivation enough for Manaka to attempt to use Ayaka as Grail fuel in Fragments' climax.
- Nightmare Fetishist: What pre-teen/teen girl would describe her love for "her prince" to what she'd feel if her intestines were pulled out of her stomach?
- Older Than They Look: She's six years older than Ayaka, but she still attains her appearance of a 14 year old since she died at that age.
- The Omnipotent: Referred to as such during Fragments. This is due to her innate connection to the Root since birth, a trait shared only by none other than Ryougi Shiki, whose third personality is considered to be omnipotent as well. If not due to certain restrictions, Manaka actually has the capacity to grant Saber's wish herself.
- Powered by a Forsaken Child: Sacrificed girls and her own father to the Holy Grail. She would have sacrificed Ayaka if Saber hadn't stopped her.
- Psychic-Assisted Suicide: During the first war, she forced numerous little girls to sacrifice themselves to the Grail as fuel for it so that she doesn't have to give up Saber himself.
- Red Baron: She is referred to as Potnia Theron by numerous characters due to her powers. Brynhild also refers to her as an Evil Dragon.
- Start of Darkness: Before the Holy Grail War, Manaka was a good big sister towards Ayaka and overall a dutiful daughter to her family. The moment she meets and falls in love with Saber however... the results are not pretty.
- Self-Made Orphan: Killed her own father, as said above, and sacrificed him to the Grail.
- Shameless Fanservice Girl: Her standard outfit in Proto proper is still the same dress she wore during the First War. Only unbuttoned and off the shoulders to reveal her Master Degree of Seraphim on her chest. Convenient angles prevent it from going into full on exposure.
- And of course, this also treads into Fan Disservice territory, given the aforementioned emphasized open wound on her chest, which is described as still bleeding, along with her dress being drenched in blood.
- Spell My Name with an "S": In Japanese her name can either be read as Manaka or Aika. Canon material goes for Manaka.
- Spot of Tea: In the OVA, she and Saber are seen having tea and discussing strategies.
- Villain Protagonist: Fragments is her story, in a sense, just like present Prototype is Ayaka's.
Voiced by Megumi OgataThe Third Master, with the Title of Thrones. Isemi is the youngest of the Masters, being just 10 years old.
- Early-Bird Cameo: Briefly appears in the prequel novels during which he meets the First War's Rider.
- Go Out with a Smile: As seen here◊.
- Ill Boy: More exactly, the victim of a "chimerization" experiment coming after the First War, apparently performed by having Manaka implant a "beast" in his body. By the time he fully summoned Rider, poor Isemi was kept alive solely by medical machinery and so weakened that he suffered pain from things as normal for us as breathing and his own heartbeat; and lasted only one week before he kicked it.
- Nice Guy: That's more or less how he won over Rider's trust and respect. And as well as the First War's Rider as seen in Fragments.
- No Name Given: In the OVA at least. A fanbook later revealed his name to be "Isemi". The prequel novels later reveal that his full name is "Aro Isemi".
- Older Than They Look: Though he's described as looking like a ten year old at best, Isemi is revealed in Fragments to have been around long enough that he was considered to be a Master-Candidate for his clan during the First Holy Grail War.
- Sole Survivor: Of the Isemi Clan that was wiped out by Assassin on the orders from Manaka during Fragments.
- Too Good for This Sinful Earth: The kid was that gentle and that doomed.
- Walking Spoiler: His existence and fate are tied heavily to Rider's motivations in Fate/Prototype.
Master of Archer
The fifth-Ranked Master with the title of Virtues. A rich business man/magus who owns a skyscraper in Tokyo.
- Early-Bird Cameo: Much like with Isemi, he appears in Fragments as well. In which, it's revealed he personally knew Nigel.
- Fiction 500: He's described as being so filthy rich that he considers classical cars as "chump change".
- I Gave My Word: Towards Nigel. Promising to get rid of his body should something happen to him in exchange for information about the Holy Grail War.
- No Name Given: So far his name has yet to have been revealed.
- Peek-a-Bangs: His default hairstyle as seen in material.
Saber (King Arthur)
Voiced by Takahiro Sakurai
The Servant of Ayaka Sajyou. A heroic individual with a strong sense of justice. Has made it his mission to protect Ayaka. Was the Servant of Manaka Sajyou in the previous Holy Grail War.
- The Anti-Nihilist: Saber is overflowing with hope and determination, and is sworn to fight for protection of the world's future, making him a rather stark contrast than how FSN-Saber was. He started out much more similarly to her, however, before the young Ayaka made him understand that he didn't need to spend his days mourning his Britain and trying to undo the past.
- Badass in Distress: At some point during Prototype, he's stolen away from Ayaka by Sancraid Phahn and turned into Saber Alter. She later manages to get him back with the help of Lancer.
- Blow You Away: Invisible Air has the ability to do this.
- Bodyguard Betrayal: When he realized Manaka's actual intentions in the former War, he killed her.
- Chick Magnet: He gains the affections of Brynhild, Manaka, and Ayaka.
- Declaration of Protection: Not long after Ayaka summons him, he says he'll protect her. This is actually the second time he tells her this, however — and the first time he swore to protect her world on top of it.
- Decomposite Character: Being the original concept for Saber, his original Character Material Portrait shows him wearing plated armor, blue clothing and with a white kilt jutting below from it, suggesting where Artoria's look would evolve from, at the same time appearing as a Palette Swap of what Gilgamesh will eventually wear.
- Expy: He's more like Shirou than his female counterpart - he notably smiles at Ayaka when he's first summoned, and says he's there to protect her.note He also has some traits in common with Archer and his relationship with Ayaka is even described as being similar to that of Rin and Archer - at least at first.
- He also holds shades of Kiritsugu Emiya as it was his meeting with the young child who would become the next Grail War's "Master of Saber" that saved his heart.
- The Gadfly: Apparently a bit, since he is shown stealing Ayaka's glasses with a clear grin on his face despite her protests.
- Godzilla Threshold: Excalibur "Proto" has no actual typing listed in part due to its gradient nature with additional seals released, but its full power has at best been described as an Anti-Anti-World, being implicitly regarded as a Noble Phantasm that exists to save the planet from threats. It's so immense that the sword's true form in proper continuity has never been seen yet, with Fate/Grand Order cheating this via creative liberties. To wit even Gilgamesh and his Ea analogue of Enki wasn't enough to need it.
- The Hero: Taking aside Manaka who's more of a Villain Protagonist, he's more or less the main character of Fragments and is quite heroic.
- I Am Not Left-Handed: Excalibur-Proto differs in what we eventually get in that there are 13 restraining seals to its full powersnote . To see more, see Power Limiter below.
- The Idealist: His wish for the Holy Grail is or rather, was to create a kingdom of everlasting peace, where people no longer need to suffer. Even when that wish is broken and he must accept he can never make it come true, he still believes in his dream, putting his faith in the future instead of the past. Sound familiar?note
- Idiot Hair: Not immediately noticeable compared to Artoria's, but it's there.
- In the Hood: His Servant attire features one. Most notably he puts it on when he killed Manaka and unleashes Excalibur-Proto on the partially awakened Beast of Revelation at the end of Fragments.
- Knight in Shining Armor: Particularly for Ayaka.
- Power Limiter: Excalibur-Proto's power is restrained by Thirteen Seals. Over seven of them need to be lifted before it can unleash an Anti-Fortress level attack properly. Though it's revealed in the prequels that with just a few released Arthur can still utilize its power to varying degrees. In Fragments, one was enough to defeat the Sword of Paracelsus, an A+ Anti-Army Noble Phantasm, with another seal enough to undo its power snatching ability. And six seals released were enough to deal with the Beast during the finale. These are the conditions that have been revealed so far, each set by a member of the Round Table including Arthur himself:
- "The battle must be an honorable one." - ???note
- "Thou must be fighting someone stronger than yourself." - Bedivere
- "Thou must be fighting one on one." - Palamedes.
- "Thou must not be fighting against an Elemental." - Lancelot.
- "Thou must be fighting against evil." - Mordred.
- "Thou must be fighting without self-interest." - Galahad.
- "Thou must be fighting to save the world." - Arthur.
- Razor Wind: Invisible Air, the very same one that Artoria would use herself.
- Set Right What Once Went Wrong: Much like Artoria, Saber desires to save Britain. But as revealed in the prequel novels, the way he goes about it actually helps differentiate the two. Whereas Artoria initially wishes to redo her rule and later changes it to wishing someone else had become King, Arthur desires to create "an eternal kingdom of peace where the people no longer have to suffer". After meeting the young Ayaka in Fragments, however, Arthur decides to abandon the idea of changing the past, and work to protect the world in the here and now, that it may one day become the kind of world he dreamed of.
- Superpowered Evil Side: As some point he would be corrupted by Sancraid Phahn when he steals Ayaka's Command Seal, becoming the prototype to Saber Alter and serving as the base for FSN-Gilgamesh's personality.
- Took a Level in Jerkass: A mild example, but having to slay his dearly-held Master last war really did not sit well for Saber, turning him into a similar kind of nihilist to Archer EMIYA. However, much like the first time, Ayaka mends his heart.
- This occurs again when, under Phahn's twisted arts, he becomes Saber Alter. Specifically, it's been stated his personality became much like what later was reintroduced as FSN-Gilgamesh's.
- Unwitting Instigator of Doom: Though it's not really his fault, Manaka falling in love with him is what sets off her Start of Darkness which in turn drives the overall main plot of both Fate/Prototype and Fragments.
- Waistcoat of Style: As Manaka's Servant, he wore a black vest with his dark suit in the Spin-off Novel—something Saber herself would similarly do in the Fourth Holy Grail War. This contrasts with him wearing rather informal civilian clothing as Ayaka's Servant.
- Wave Motion Sword: It wouldn't be King Arthur without EX... CALIBUUUURRRRR!!! Based on the OVA, this Saber's Excalibur is way more powerful than what we eventually get, considering it seemingly levels an entire city block in its wake, which is stated to have been at half power. His is also EX ranked compared to Artoria's A++ rank.
- Would Hit a Girl: He has no qualms about hitting the opposite sex. In the prequels, he's responsible for taking out both Lancer and Assassin, the only two female Servants in the First Holy Grail War, as well as having no problems stabbing Manaka from behind after discovering the true nature of the Holy Grail and what she plans on doing with it.
Voiced by Yuuichi Nakamura
The Servant of the Fifth Master, he is interested in proving himself the strongest and battling other heroes. Acts as a rival to Saber and is smitten with Ayaka.
- Adaptational Badass: Somewhat inverted. When compared to FSN-Gilgamesh, Proto-Gilgamesh actually takes part in actual physical combat a lot more ala EMIYA with his wielding of dual swords. This prevents him from becoming easy pickings for anyone daring enough to actually challenge him up close when compared to his counterpart who simply prefers to shoot his opponents whom he sees as beneath him most of the time.
- Badass Boast: Declares himself the most powerful hero in existence during the OVA.
- Bling of War: While exposing his top, Proto-Gilgamesh's Servant attire actually comes off as just as fancy, if not even more so, than FSN-Gilgamesh by being more intricately designed in comparison.
- Blood Knight: In comparison to his FSN-Gilgamesh, he's thrilled at the idea of the Holy Grail War, where various heroes of legend get to do battle against each other for the sake of the ultimate prize.
- He's essentially a composite of two Archers from the final work: while he eventually mutated into the Gilgamesh we all know and love, he also has elements of the primary Archer, being a dual-wielder who makes an epic stand against Berserker.
- He also has a bit in common with FSN-Lancer, being a combat-lover and all.
- Friendly Enemy: With Saber. If the OVA is any indication, he does seem to conduct himself on equal footing with Saber/King Arthur, in contrast to his colossal haughtiness against almost everyone in F/SN.
- Hyperspace Arsenal: Bab-ilu: Key of the King's Law, allows him to access his endless treasury.
- Improbable Aiming Skills: He's an Archer who's an actual archer, this go around. His aim's good enough that he can miss the earth-planted Saber's head by mere inches from the top of a skyscraper — because he deliberately intended to miss by that much.
- It's All About Me: So, Arthur is a man in this iteration, which means Gil isn't going to be infatuated with him. What then draws him to Saber in this instance? Because, despite being Gilgamesh, he isn't the top-ranking Heroic Spirit in this world, or even the second; he is the third, behind Arthur and Heracles. Gil isn't taking that sitting down, and so throws down the gauntlet with the Holy Sword Wielder to prove he is the best of them all.
- Jerk with a Heart of Gold: While he's still arrogant and possessive of Ayaka, he gives Saber an elixir that can cure any poison or disease so he can cure Ayaka (not without a fight, because hey, it is the Holy Grail War and Gil loves fighting Saber, but he's still perfectly willing to part with it and even if Saber had lost, it's all but certain Archer would've gone and tended to Ayaka anyway) and just in general he seems a lot more sensible than his Fate/stay night counterpart.
- Large Ham: It wouldn't be Gilgamesh if he wasn't one.
- Love at First Sight: With Ayaka, he claims she's more beautiful than the women of his own kingdom. Unlike his Fate/stay night counterpart, he doesn't act like Ayaka is a possession, and in fact tries to court her. This is probably why F/SN Gil is often mentioned as having surprisingly high compatibility with Rin in supplementary materials, and relatedly why Ishtar appears looking like Rin in Grand Order - it's all echoes of Gil's attraction to Ayaka.
- Made of Iron: One of his original Noble Phantasms mentioned in material is the ability to "Absolutely Survive". It's currently unknown whether or not he still has this ability in the final product, but it's worth noting that he survives getting cleaved in half by Saber's Excalibur during their climactic battle against each other. That alone should say something about his durability.
- The Nicknamer: Calls Saber "Holy Sword Wielder".
- No One Could Survive That!: In the climax of his battle with Saber, the partially-unsealed Excalibur tears through his Enki and carves Gilgamesh himself right down the middle. Not only does Gilgamesh manage to survive this, he takes Heracles head-on despite his condition, in what would later become EMIYA's battle against the Berserker in Fate/stay night, killing the "Strongest Hero" and ridding Ayaka and Lancer of their greatest obstacle in saving Arthur from Sancraid Phahn.
- Oh, Crap!: His reaction in a nutshell when he realizes that Saber survived his Noble Phantasm being unleashed in the OVA.
- The Rival: Rather than invoked by romantic interest —at least, not but for some small part— Gilgamesh takes exception to Saber ranking as the greatest player in the Grail War, and seeks to defeat him to prove his superiority.
- Storm of Blades: As to be expected. That said, Gil here doesn't use his Hyperspace Arsenal as a crutch in the same way as FSN-Gil, instead preferring to take opponents head-on and using his Bab-ilu as a sidearm rather than a primary means of offense.
- Swiss Army Weapon: Enki, which normally functions as a pair of dual swords and act as a bow when both swords are joined together at the pommel. They can also turn into a pair of Tonfa-Style weapons as revealed in material.
- Readings Are Off the Scale: His Noble Phantasm, ''Enki: Sword of the End'' is an EX ranked Noble Phantasm capable of flooding the entire world.note
Lancer (Cu Chulainn)
Voiced by Kazuya Nakai
The Servant of Misaya Reiroukan. Tracks down Ayaka at the beginning of the story, which causes her to summon Saber.
- Adaptational Badass: If his stats are anything to go by, Proto-Cu is actually stronger than his counterpart was in FSN. Having higher overall strength (A to FSN-Cu's B), agility (A+ to FSN-Cu's A), mana (B to FSN-Cu's C), and finally, of all things, higher luck as well (D to FSN-Cu's E).
- Animal Motif: Of a Hunting Dog much like his counterpart, but he's a bit closer to a wolf (even wears a protective amulet in shape of a wolf's head with a crescent moon in its mouth).
- The Beastmaster: He has excellent compatibility with the canine familiars that Misaya creates.
- Blade on a Stick: Gae Bolg, which is currently not in use by Lancer apparently due to Misaya's orders.
- Butt-Monkey: Much like FSN-Cu, he's treated as such in certain gag scenarios.
- Expy: Mostly unchanged from his Fate/stay night counterpart, but he is somewhat a bit similar to Shirou, as he's not mature enough to admit the world’s injustices and the values of good and evil.
- Heel–Face Turn: Eventually contracts with Ayaka when his Master dies, not unlike how Cu Chulainn eventually chooses to ally with Shirou and Rin after Saber was stolen by Caster/Medea.
- One-Hit Kill: Much like his FSN counterpart, Gae Bolg is still this.
- Punch-Clock Villain: Despite being sent to assassinate Ayaka, he shows enough respect for her efforts to ward him off with her magic, even commending how old and sophisticated hers is.
- Wrecked Weapon: As seen in the OVA, his spear was cut in half by Saber after his summoning quite immediately. The impact is lessened by him later saying it was a hastily-made weapon, since his actual spear, the iconic Gae Bolg, is being hidden somewhere.
- Younger and Hipper: In a sense. When compared to FSN-Lancer, this version is stated to be somewhat younger in both mind and body.
Voiced by Mamoru Miyano
The Servant of the Third Master. A mysterious Servant who wears a mask in battle.
- Anti-Villain: Rider took a while to warm up to his kind and apparently unassuming Master Isemi, but ultimately came to care for him. Since Isemi turned out to be Too Good for This Sinful Earth, now he will do anything to bring him Back from the Dead.
- Bishounen: From the tiny bit we get to see of him in the trailer posing as one of Ayaka's classmates. Bonus points for being tall and willowy, too.
- Cool Mask: Uses one to conceal his identity. It also acts a pseudo-Master for him after Isemi's death according to material, which is apparently what allows him to participate in the Holy Grail War.
- David Vs Goliath: Gorgon was something of an Eldritch Abomination Kaiju while Perseus had only five Noble Phantasms to his name (a pair of boots that afforded him speed and flight, a shield that could negate her petrifying gaze and act as a Magic Compass, a mantle that made him temporarily invisible, a sword that would wound her in a way that would negate her ability to heal, and a Bag of Holding that could also create an inverse Bounded Field). Suffice to say, his gifts were of dubious utility against such a behemoth of a foe and he only managed to triumph because he frustrated the beast enough that it was tricked into using Breaker Gorgon, allowing him to use Kibisis to bounce the attack back at her. If the fight had gone any longer, it's likely she would have killed him through sheer attrition and his own dwindling confidence.
- Rider is a somewhat more complicated example than the other characters listed here, as it is unclear how much of his role in Old Fatenote was preserved in Prototype and how much of it was taken from FSN-Rider due to his changed identity. What is apparent, however, is that he bares something of a resemblance to Shinji, notably his wavy hair, and how he's apparently someone that Ayaka is personally acquainted with but later ends up fighting during the Holy Grail War.
- Fake Ultimate Hero: He was completely terrified during his battle with Gorgon and only managed to win by turning her own powers against her in a last-minute gamble. He's similarly aware that his heinous acts are unbecoming of the hero everyone believes him to be and that his Master wouldn't want him killing for the sake of his resurrection.
- Off with His Head!: After he defeated Gorgon, she was reduced to her much more human and vulnerable form of Medusa who was helpless before him. He decapitated her without hesitation.
- Mythology Gag: His identity is nothing but this considering that FSN-Rider is none other than Medusa.
- Living with the Villain: He disguises himself as one of Ayaka's classmates.
- Summon Magic: Much like FSN-Rider, one of his Noble Phantasms is summoning a Pegasus.
Sancraid Phahn's eventual Servant. A great hero turned into a maddened killing machine by his class, and attached to a Master all too eager to make use of his killing potential.
- Expy: Pretty much the Berserker we all came to know from F/SN, with surprisingly little changed about the man himself (even his visual design was pretty much locked down this early on). The main difference lies in his relationship with his Master; Sancraid was going to mostly use him as a fire-and-forget missile, basically, to cause maximum destruction, while Ilya ends up having a much deeper relationship with Berserker.
The Beast of Revelation
The second Servant of Manaka Sajyou. The embodiment of the sins and desires of humanity, it's materialization is apparently the true purpose of the Holy Grail.
- Blue and Orange Morality: As a non-human being that exists to devour others, it has no real concept of good or evil. To it all the sacrifices are simply tasty and delicious food.
- The Dragon: It will serve as this to Manaka once it is summoned.
- Eldritch Abomination: Its true form is the red seven headed, ten horned Beast ridden by the golden Whore of Babylon. Its initial form is a sea of black mud that is desperately attempting to give shape to its body, starting with its seven brains and jaws.
- Even Evil Has Loved Ones: Sees Manaka as its mother, and flips out when Arthur kills her.
- Enfante Terrible: Has a mentality comparable to that of a young child, albeit one that wants to devour humans and spread death.
- Naturally, this is the character that eventually became Avenger Angra Mainyu. The biggest difference is that the Beast is the intentional product of the Grail, while Avenger corrupting the Grail was wholly unintentional.
- Furthermore, the concept of a "Beast" class which embodied a sin of humanity would lurk in the background of Fate works for a decade (and is even somewhat there in stay night and Hollow Ataraxia), before the concept returned in full in Fate/Grand Order, to the point that Proto-Arthur's introduction to that game seems to be hinting at this Beast making an appearance there as well.
- Extra materials for Prototype reveal he's also the prototype for the being known as the Beast IV Primate Murder and that both rule over primates. The biggest differences being that their appearances are not confirmed to be anything alike and that he two represent different sins. Later on however, both FGO and the final volume of Fragments later retcons it into being Beast VI.
- Human Sacrifice: In order for it to fully manifest, seven Heroic Spirits are needed to serve as sacrifices. However, to prevent Arthur from serving as one himself, Manaka opts to use over six hundred people instead as a substitute.
- Made of Evil: From the few descriptions we have, it shares this trait with Angra Mainyu of the published F/SN.
- Number of the Beast: This was going to be a factor in some fashion, but it's not totally clear how it would've worked in Proto proper; in Fragments, between six Servants and six hundred humans being sacrificed to try bringing it into being, the number comes close to appearing but doesn't quite make it.
- Seven Deadly Sins: Unlike the normal Evils of Humanity it represents an actual human sin, in this case Greed.
- The Unseen: No proper design for it has ever been revealed; it's been vaguely described but never depicted on-camera in any work to date.
Masters of Fragments of Sky Silver
Tatsumi Kitano (Master of Berserker)
Voiced by Atsushi Tamaru (Drama CD)The Seventh-Ranked Master of Princes. An Ordinary High-School Student who gets caught up in the Holy Grail War after accidentally summoning Berserker through one of his grandfather's mementos. Believing in justice, he participates in the war to save Tokyo from the dangers that the Holy Grail War presents to it.
- Expy: Very clearly of Emiya Shirou as a Master who got involved in the Grail War via accidental summoning and has a strong belief in the idea of justice. His reason for participating in the war is basically the same as Shirou's own.
- Justice Will Prevail: Said to be a "justice attitude person", and seeks to defeat all the magi who control Tokyo by evil ritual magic. Even as a Zombie this trait of his remains rooted into his being.
- Magic Eye: It's said that Kitano's left eye is actually a kind of Mystic Eye, which temporarily paralyzes someone.
- Mismatched Eyes: In this picture◊. It's because his left eyes is a Mystic Eye while his other is normal.
- Ordinary High-School Student: Described as such. He wasn't even aware of his mystic eye until the war had started.
- Naïve Newcomer: Unlike other masters, Kitano had no idea of what the Holy Grail War even was before being chosen. This gets him killed by Hassan of Serenity.
- Our Zombies Are Different: He's brought back as a barely sentient corpse by Paracelsus to let Hassan have someone she can touch. He repeats over and over how he doesn't want to kill anyone.
Nigel Sayward (Master of Lancer)
Voiced by Tomohisa Hashizume (Drama CD)The Second-Ranked Master of Cherubim. A magus from the Clock Tower. As a result of his research, he was in danger of being assigned as a Sealing Designate by the Association. He takes part in the Holy Grail War in an attempt to win the grail for the Association in exchange for his freedom.
- Expy: Appearance wise, he looks bit like Araya Souren.
- Fantastic Drug: His main specialty as a magus. They're potent enough that he was about to be warranted a sealing designation had he never decided to take part in the Holy Grail War.
- Love Potion: Able to make one potent enough to even affect a Servant like Lancer. He uses this to his advantage to help spur her on against Saber as she gets more powerful the more in-love she is with her opponents.
- What Happened to the Mouse?: His fate after Saber's battle with Lancer is unknown. It's later revealed during the epilogue that he died, likely at the hands of Manaka as she was one of the last people to meet with him.
Elsa Saijou (Master of Archer)
Voiced by Aya Suzaki (Drama CD)The Fifth-Ranked Master of Virtues. A kind young woman who had lost her son less than a year ago before the Holy Grail War occurs. Her wish is "for all mothers and children to be saved."
- Camera Fiend: Though not shown in-story, her official job is that of being a camerawoman.
- Hair Decorations: She wears a white lace headband
- Lady and Knight: The Lady to Archer's Knight, indeed.
- Mixed Ancestry: Part Japanese, part German.
- Outliving One's Offspring: Elsa was deeply affected by the death of her son.
- Sole Survivor: Not counting Manaka who gets revived later on, Elsa is the only survivor among the seven Masters of the First Holy Grail War.
- Stepford Smiler: Described as such, putting on a smiling facade as a way to mask her sadness over her son's death.
- Trademark Favorite Food: Beer, as one can guess.
- War Is Hell: Having gone to war torn countries as part of her job, she has nothing but distaste for it.
Shizuri Isemi (Master of Rider)
Voiced by Motoi Koyanagi (Drama CD)The Fourth-Ranked Master of Dominion. An elderly gentleman who is the current head of a clan of magi whose magic circuits are slowly dying out. As a result, he and his clansmen have learned how to adapt to modern technologies in compensation for the weakening lineage.
- Cool Mask: Wears one here◊, when he summons Ramesses/Rider as his Servant.
- Grave Robbing: Rider accuses him of this, as the necklace used to summon him belonged to his wife and which by itself could only be obtained by breaking into her tomb. It's never revealed if he himself actually did this however.
- Killed Off for Real: By Assassin.
- Sharp Dressed Man: As revealed in concept art, he's quite spiffy underneath that coat of his.
Mr. Reiroukan (Master of Caster)
Voiced by Eiji Itou (Drama CD)The Third-Ranked Master of Thrones. The father of Misaya.
- Informed Ability: As the third-ranked Master among the seven, he could be considered the third best mage among the lot yet is unable to show off any of his abilities as Caster betrays him for Manaka.
- No Name Given: His given name is never revealed.
- Offing the Offspring: Said to have fatally cursed his daughter Misaya. He didn't. In reality he tried to save her from the curse, but was killed before he could do it.
- The Ghost: His physical appearance is never seen throughout the prequels.
- We Hardly Knew Ye: Very little is known about him before he died.
Seiji Jinga (Master of Assassin)
Voiced by Atsushi Imaruoka (Drama CD)The Sixth-Ranked Master of Powers.
- Large Ham: As heard during the Drama CD.
- Small Name, Big Ego: Having come from a small time magus family, he was intent on winning the Holy Grail War and making a name for himself but gets offed by Assassin minutes after summoning her.
- We Hardly Knew Ye: Killed off by Assassin right after she had been summoned by him.
Servants of Fragments of Sky Silver
- Back from the Dead: A natural occurrence in a Holy Grail War setup. However, later on by the time of the second Holy Grail War, Manaka brings them all back as part of her personal force.
- The Beautiful Elite: It's rather notable that when compared to other Grail War settings in the franchise which has at least one unattractive or older looking Servant, every single one of the Fragments Servants, Arthur included, is quite the looker.
- The Corruption: As seen in the final illustration◊ of the last volume of Fragments, all six of them have been corrupted into Alters by Manaka. Especially notable with Ramesses, as he managed to resist being taken over by a Demon God during the Sixth Singularity of Fate/Grand Order. As with all Alters, they've also become more aggressive in nature which is most notable in Arash.
Voiced by Mamiko NotoThe daughter of Odin who became mortal. She fell in love with and killed Sigurd after he lost his memories of her and married her as part of a plan. Her master is Nigel Sayward.
- Action Girl: Perhaps one of the strongest Servants in the First Holy Grail War. And she gets stronger the more she loves her opponent.
- Blade on a Stick: She utilizes a long and gigantic spear with a large blade reminiscent of a shield.
- Born Unlucky: Much like other Lancers in the franchise Brynhild's luck rank is very low. In fact, it tops out at E. Considering what happens to her by the end of Fragments and afterwards, it could even be said that she has ''the worst'' luck among them all.
- BFS: Not only is her spear large, it also grows larger and heavier the more she loves her opponent.
- Geometric Magic: She has a powerful Origin Rune upon her chest given by her father Odin. It has enough power to destroy Tokyo.
- I Cannot Self-Terminate: After being hijacked by the world or her father Odin to stop Manaka, she asks Saber to end her life before she kills the people of Tokyo.
- Lightning Bruiser: Going from her stats alone she's this and it shows.
- Long Hair Is Feminine: She's said to be a woman with "a delicate body and long hair".
- No-Sell: Hassan's poison has no effect on her due to her flames being hot enough to burn away the poison.
- The Power of Love: Her Spear Noble Phantasm is powered by love. If she loves something the more powerful it is and more damage it does to the target. She loves almost everything in the world on some level except for Manaka and can't harm the evil dragon she sees before her.
- Rapunzel Hair: Her hair is long enough to reach her thighs.
- Sanity Slippage: Being subjected to Nigel's love potion and her father Odin forcing her to take action against Manaka does a number on her psyche which resulted in her going on rampage. Luckily, she's able to snap out of it long enough to let Saber kill her.
- Semi-Divine: Being a former goddess, she counts. Though her divinity is ranked at E due to her falling out with her father Odin.
- Man on Fire: She's able to wrap her body in fire.
- World's Most Beautiful Woman: Described as being such in the prequel novels.
- Yandere: One of the first and most famous examples, but also weaponized. Her spear becomes heavier and more powerful the more she loves the target. She loves nature, the world and all people to a certain extent, but against heroes, who can swiftly evoke powerful feelings in her, it becomes extremely powerful. She's basically a Hero-Killer, especially to those who remind of her Sigurd. Arthur in particular evokes it the strongest among the Servants.
- You Gotta Have Blue Hair: Her hair is a teal-colored white.
Archer (Arash/Aras-e Kamangir)
Voiced by Satoshi TsuruokaArash is a famed bowman sung in Persian myths, who accomplished the great feat of saving thousands of people during battle.
- Bash Brothers: With Arthur, particularly when they unite to bring down Ozymandias together.
- Heroic Sacrifice: He uses Stella: The Lone Meteor to help Saber defeat Rider at the cost of his own life.
- Ideal Hero: Arash believes in and follows the path of the ideal hero. He will do whatever he can to protect the people when they are in need even at the cost of his life.
- Made of Iron: He has A ranked Endurance and the EX ranked Robust Health skill. This is due to being born in the Age of Gods.
- Trademark Favorite Food: Another illustration shows them happily drinking beer◊ with his Master, Elsa. It includes a bit of Fridge Brilliance: Arash is a hero of Iranian oral tradition and folklore, and beer was already being produced in the lands now occupied by the modern Iran around 3,500 BC.
- Too Awesome to Use: His Noble Phantasm, the usage of which costs him his life.
Rider (Ramesses II/Ozymandias)
Voiced by Takehito KoyasuThe Egyptian Pharoah commonly associated with Moses.
- Alternate History: Moses was his best friend. While the events of the Book of Exodus would still play out (Moses becomes God's prophet and the Ten Plagues are unleashed on Egypt when Ramesses refuses to free the Israelites), the parting of the Red Sea ultimately convinces Ramesses to not pursue Moses and the Israelites. The original story had the Pharaoh and his army chase the Israelites down the open path only to be swallowed by the Red Sea when it closes up.
- The Beast Master: He has a palace-like Reality Marble filled with Phantasmal Beasts of all kinds.
- Berserk Button: He flips his shit upon being summoned due to his catalyst being his wife Nefertari's necklace, which could have only been obtained by raiding her tomb.
- BFG: His Ramesseum Tentyris has the ability to utilize the Dendera Light as a massive beam cannon capable of flattening cities.
- Blood Knight: His narration points out that he actively forgave and praised warriors with the courage to challenge him during his life, even forgiving them for their rebellion against him if they provided him a good match.
- Breath Weapon: His Sphinx has this in the form of a fire tornado.
- Drama-Preserving Handicap: To even make it possible for Saber to defeat Rider, Manaka has his Master's entire clan murdered with the help of Assassin's poison. Rider is still so invincible that Saber had the full assistance of Lancer, Archer and Caster, and even then only Arash's suicidal Noble Phantasm could even the odds enough for Excalibur to match Ramesses' Dendara Light.
- Expy: Of Gilgamesh, as he is a Heroic Spirit from a distant time period, having been a ruler in his life, arrogance that belies Hidden Depths, as well as being incredibly powerful.
- Invincible Villain: Or Invincible Hero rather, given that Manaka is a Villain Protagonist. Manaka holds Rider in such high regard that she believes not even the Three Knight Classes united could bring him down, but has faith that Saber will pull through regardless.
- Jerk with a Heart of Gold: If not outright Jerkass Façade. He talks a big game and possesses a very high opinion of himself, but he forgives his Master for desecrating his wife's tomb, offers the Isemi child a Mercy Kill if he should desire so and genuinely wishes to rule the modern world as to bring it into a new golden era. Not for nothing is the line "The Pharaoh's heart is as noble as the sun" used in his first POV sequence.
- Large Ham: He likes talking, that's for sure.
- Rider: “Hahahahahahahahahahahahahahahahaha! Rejoice in it! Observe it! I will seek it! I have surely remembered your tenacity; there is nothing else in the world which hadn’t change since the world where I also ruled here! I want it! Because, I am the person that is destined to govern this world!”Rider: “Anut and Set, it is good that you dwell in both of my arms! Astarte, wish me well so that the earth will be soaked in the blood of my battles after my glorious victory! I who am Horus and Ra will give happiness to the world when I get another life, from here on! O’ my beloved Nefertari, you will bless the call of Ozymandias as Hathor!”
- Magic Knight: He possesses an abnormal talent in the ways of Magecraft, being able to knock Misaya unconscious by just looking at her Familiar, and uses a crystal orb to view the battle between Saber and his Sphinx from afar. Additionally, he possesses a Reality Marble-like ability.
- Mental World: Possibly with Ramesseum Tentyris, which summons a massive amount of great Egyptian temples in a complex spanning miles from end to end. It is noted that many of the temples in it were not build in his lifetime, but as he is the King of Kings, the greatest king of Egypt, he naturally rules over the domain of lesser kings, including their temples.
- Mythology Gag: Nasu mentioned that, in his original vision of Fate/Zero, Iskander would have had an arrogant and narcissistic streak not unlike the future Red Saber - however, Gen Urobuchi wrote a far more charismatic version that Nasu liked so much that he shelved his Iskander in favor of Urobuchi's. Given his own temperament as well as the niche of being a powerful Rider-class king, it's easy to say that Ozymandias is this original vision of Iskander, albeit applied to a different historical figure.
- From his own backstory, his actions of not following Moses into the parted sea call in mind how the scene was handled in The Ten Commandments.
- The Power of the Sun: As "Ra's Mighty Truth", he possesses Ra's almighty solar barge as a Noble Phantasm. It can supposedly reduce all of Tokyo to dust in the span of a couple of hours.
- Odd Friendship: Seems to have sort-of struck one with a boy who is strongly implied to be the Isemi who would become the next Holy War's Master of Rider. At very least the little boy managed to calm Rider down from his anger upon being summoned through Nefertari's necklace, and then he properly joined the Grail War.
- Readings Are Off the Scale: He possesses an EX-rank in the Noble Phantasm parameter.
- Red Baron: "King of Kings", a title historically attributed to Ozymandias/Ramesses II.
- Story-Breaker Power: To say Ozymandias is the Gilgamesh of the First Grail War would be criminally understating just how powerful he is. Even on top of Saber-grade Magical Resistance, even on top of B-Rank Divinity, even on top of his Imperial Privilege, even on top of his A+ Protection of the Sun God, he has three Noble Phantasms and the most powerful of them all is an EX-Rank Reality Marble. That it took Excalibur Proto and Stella to defeat him after Manaka had his mana supply cut off just further proves how unbelievably strong he is.
- Super Power Lottery: In addition to his skill Imperial Privilege that lets him obtain any other skill that he should desire, he possesses three Noble Phantasms, the weakest of which is compared to 3 Servants in strength.
- Two Guys and a Girl: Him, Moses, and Nefertari◊ were this in the past.
- Walking Shirtless Scene: As seen here◊.
Berserker (Dr. Henry Jekyll/Mr. Edward Hyde)
Voiced by Mamoru MiyanoThe main character of Robert Louis Stevenson's 1886 novella Strange Case of Dr Jekyll and Mr Hyde.
- Alchemy Is Magic: Though no Magus, he's skilled enough in the subject that he'd be willing to teach Tatsumi if the latter wanted. It's also how he managed to create the elixir that turns him into Hyde though that wasn't the intended effect.
- Be Careful What You Wish For: The elixir he made that turned him into Hyde was his attempt to become like the heroic spirits of legend.
- Breakout Character: Of Prototype Fragments, while one of the more minor Servants of the work, his popularity with fans and Sakurai's regret in not giving him more of a role, led to him getting a short story in which he was the main character and becoming one of the promotional Servants for Fate/Grand Order and a main character in one of said game's chapters.
- Do Not Go Gentle: Rather than allowing himself to simply vanish after Tatsumi is killed, Berserker instead opts to go out swinging and does so by attempting to take out take out Caster's Master himself in one last charge. Unfortunately for him, he fails.
- Made of Iron: Though he's no great hero of legend compared to most of the other Servants, Berserker is surprisingly quite durable given his true identity as seen during his Last Stand in the story.
- Our Werewolves Are Different: As Hyde, Berserker an appearance similar to a werewolf with black fur covering his body, a large jaw, sharp fangs, and a beast-like, humanoid form. His eyes glow upon seeing the full moon.
- Older Than They Look: He looks like a young man, but is said to be much older. The real Dr. Henry Jekyll was said to be in his 50's, and yet this one looks in his 20's tops.
- Rasputinian Death: He dies via a combination of attacks from Archer, Lancer, and Rider before being finally taken down by Saber.
- Pretty Boy: Indeed!◊
- Sharp Dressed Man
- Split-Personality Takeover: His Noble Phantasm is the elixir that allows him to pull this. Later on by the time of Fate/Prototype Hyde has become the main personality after Jekyll turned into an Alter Servant.
Assassin (Hassan of Serenity)
Voiced by Sayaka SenbongiOne of the Nineteen Individuals to have taken up the identity of Hassan-I-Sabbah.
- Action Girl: The only other female Servant in the story aside from Lancer. And while she doesn't directly win any fights, she still does plenty in the story to warrant her title as Assassin.
- Be Careful What You Wish For: Her wish for the grail is to have someone she can touch without killing with her poison. Paracelsus gives her that in the zombified corpse of Tatsumi Kitano.
- Cool Mask: She wears the typical Hassan bone mask. Though unlike the others a face is beneath it.
- Friend to All Children: She loves kids and made sure in life to avoid killing them every time they appear and could complicate her job.
- Kiss of Death: Her preferred method of using her poison is to kiss the target while draining mana from them. The kiss melts the target's brain while filling them with so much bliss they are unable to feel the pain.
- Kill 'em All: Under Manaka's orders, Assassin proceeds to kill off the Master of Rider and all of his clansmen in order to cut off Rider's supply of mana so that he might be beaten during the Battle of Tokyo Bay.
- Mercy Kill: Kills the living corpse Tatsumi after realizing he had been worried about her.
- Off with Her Head!: Her backstory. She had revealed her identity to the general she had as both a target and her current lover in the hopes he would kill her, causing her ally to appear and behead her in a split second. Said person is strongly implied to be King Hassan, who kills all Hassans who stray from the path of Hassan.
- Poisonous Person: Her Noble Phantasm (named Zabaniya: Delusional Poison Body) and main shtick, as her entire body is so toxic that touching it is an almost instant death to humans.
- Shapeshifting: One of her abilities, which allows her to masquerade as either a cute Woman in White or as Ayaka's black kitty.
- Start of Darkness: Touching Manaka without killing her caused her to be infatuated with the first person she could touch, and eventually become her willing accomplice as a follower of the Beast.
- Stripperiffic: As part of her seduction gimmick.
- Woman in White: The time she meets◊ Kitano, she's wearing a white sundress.
Caster (Paracelsus von Hohenheim)
Voiced by Shin-ichiro MikiAn alchemist from the Renaissance period and the one responsible both for creating the Alchemic system that is used by most alchemists of the modern era, as well as creating the Azoth sword.
- Alchemy Is Magic: Considered the father of modern alchemy. He in turn considers all alchemists to be his children.
- Elemental Powers: Like Tohsaka Rin, He is an Average One possessing an elemental affinity for five different elements.
- Energy Absorption: His Noble Phantasm can perform this, being able to power itself up by absorbing prana emitted from the users opponents.
- Manipulative Bastard: He attempts to manipulate Hassan of Serenity and Arthur to make them leave Manaka's side.
- Man in White: He wears white clothes.
- Mook Maker: He can create artificial Phantasmal Beasts from the remnants of Elementals.
- My God, What Have I Done?: He regrets betraying Misaya and her father after he does it.
- Pretty Boy: Just look at him.
- Start of Darkness: Learning Manaka was connected to the Root caused him to place his nature as a Magus over his own morals, eventually helping her to release the Beast upon humanity.
- The Stoic: Though smiling and seemingly kind, he never exudes any particularly strong emotions.
- Tears of Blood: He starts crying these during his final confrontation with Saber.
- Wave Motion Sword: His Noble Phantasm, the Sword of Paracelsus, functions as this. Unfortunately for him, it's not enough to take down Saber.
Voiced by Hiroki TochiThe father of both Manaka and Ayaka.
- Adult Fear: In Volume 5 of Fragments, he admits to Saber that he's concerned for Ayaka's safety should another Holy Grail War occur during her lifetime and her being forced to participate. Unfortunately for him, his fears end up coming true.
- Disappeared Dad: Towards Ayaka, having died in previous Holy Grail War.
- Expy: He's the original concept of Kiritsugu Emiya, being the father of the main protagonist who died years before the story takes place. He also serves as one for Tokiomi Tohsaka as well since his relationship with his daughters somewhat resembles the one Tokiomi had with his.
- Good Parents: Hiroki was this towards both his daughters when his wife was alive. He regrets that he couldn't be the best father to both after she passed away.
- The Mourning After: His wife's death affected him deeply. It caused him to bury himself in his lifestyle as a magus and resulted in him acting less like a father towards his daughters in the process. He regrets this however.
- Narrator All Along: It's revealed at the end of the final Fragments arc that he was the one writing all the extracts from an old notebook.
- No Name Given: In the OVA. His first name was finally revealed in the prequel series.
- Posthumous Character: Died in the previous war. At the hands of Manaka herself.
The "Sword Emperor" of Arthurian legend. A particularly vicious Caesar, Lucius clashed with Arthur many times in his attempt to reintegrate his kingdom back into the Roman Empire.
- A God Am I: Being an Emperor, he believes himself and others of like him such as Arthur to be gods on earth.
- Animal Motif: The Bear to Arthur's Dragon.
- Blood Knight: He really enjoyed fighting with Arthur. So much so that he even asks if there were any others like him in Britain since he planned on conquering it.
- Cool Sword: Wielded Florent, the "sister" blade of Arthur's Clarent, in battle.
- Evil Redhead: He was basically Arthur's opposite. Being cruel and arrogant, and seeking to conquer others for no reason other than because he believes it's his given right as an Emperor of Rome.
- No Body Left Behind: How Arthur defeats him, using Excalibur to literally wipe him off the face of the planet.
- Red Baron: Nicknamed the Sword Emperor.
- Shock and Awe: Florent has the ability produce lightning much like Clarent.