* CashCowFranchise: The original visual novel and its various sequels, prequels and spin-offs have become this for the Franchise/{{Nasuverse}}, raking in box-office breaking numbers (or the videogame equivalent), with plenty of adaptations over the years to the point its closest competition in VisualNovel/{{Tsukihime}} has more or less been left in the dust. The ongoing success of just the most recent addition to the sub-franchise in ''VideoGame/FateGrandOrder'' just emphasizes how popular ''Fate'' really is.
* CreatorsFavorite: Takashi Takeuchi, the co-creator and lead artist for [[Franchise/{{Nasuverse}} Type-Moon]], has proudly expressed himself as the largest Saber fan alive, even giving his own AuthorAvatar the Noble Phantasm of being able to summon an infinite amount of Saber clones.
* GeniusBonus: Gilgamesh's constant self-aggrandizement, beyond being simply indicative of his universe sized ego, might be a reference to the actual Epic of Gilgamesh, which ''does'', in fact, dedicate entire verses every few chapters to reminding the reader just how ridiculously amazing the main character is.
* GodNeverSaidThat: The final Tiger Dojo states that the player has reached the true end of the story. Unfortunately, some people have misconstrued that as to mean the final route, Heaven's Feel, is the canon ending, despite that [[MultiVerse all endings are canon in the Nasuverse]]. Not to mention that ''Realta Nua'' features an additional scenario unlocked after Heaven's Feel; Last Episode, which is an epilogue to the Fate route.
* KeepCirculatingTheTapes: The Creator/StudioDeen series until it was rescued from Creator/{{Geneon}} by Creator/SentaiFilmworks.
* NoExportForYou: As with a lot of anime based on visual novels, the original VN has never received an official English version. This has gotten even more glaring as time has worn on, as other major anime series got their original [=VNs=] localized, including ''VisualNovel/SteinsGate'', ''VisualNovel/{{CLANNAD}}'' and ''VisualNovel/GrisaiaNoKajitsu'', and this has begun to extend to visual novels that are doorstoppers in their own right and don't even have an anime adaptation yet, such as ''VisualNovel/DiesIrae''. On the other hand, ''F/SN'' is a ''{{Doorstopper}} and a goddamn half.'' It is roughly ''twice as long'' as War and Peace, and even the existing FanTranslation took a stupidly long time.
* OrphanedSeries: The English translation of the ''Fate/stay night'' manga only got up to 8 volumes officially released (out of 20) before Creator/{{Tokyopop}} shut down in 2011. English fan translations got up to Chapter 65 (out of 87) before all efforts abruptly ceased in 2013. The only fan translations that are complete are in Chinese and Spanish, and the Spanish one(s) are exceedingly difficult to find.
* TheOtherDarrin:
** Due to [[UsefulNotes/UnionsInHollywood union issues]][[note]]despite ''Fate/Stay Night'' being a non-union dub[[/note]], Creator/KateHiggins was the only member of the original cast unable to reprise her role as Saber for the dub of the "Unlimited Blade Works" movie, leading to Creator/MichelleRuff taking the role.
** Needless to say, the Aniplex-dubbed anime shows, including the ''UBW'' TV series, feature a cast replacement for virtually everyone in English. Although notably, Ilya remains Creator/StephanieSheh throughout all dubs, as does Creator/MelaLee for Rin Tohsaka, Creator/TonyOliver as Lancer and Creator/JulieAnnTaylor as Taiga.
*** Funny enough, some of the actors from UBW has voiced someone else from the original series (Creator/LexLang went from being Issei to Soichiro, Creator/MeganHollingshead went from being Bedivere to Caster and Creator/DavidVincent went from being Assassin to being Gilgamesh)
** Masaki Terasoma replaced Kazuhiro Nakata as Kuzuki in the 2014 anime series due to the latter taking a hiatus from voice acting due to medical issues.
** Bedivere has been impressively Darrined three times, with Creator/MamikoNoto as the first for the original 2006 anime, being replaced by Creator/ShinichiroMiki for the [=PS2=] version of Realta Nua (due to budget constraints), replaced again by Creator/MitsuakiMadono for the PS Vita version of Realta Nua, and currently is Creator/MamoruMiyano for the Garden of Avalon drama CD and ''Fate/Grand Order''.
* RealPlaceBackground: Some locations in Fuyuki City are based on real-life places in Kobe and Fujisawa City.
** Ryuudou Temple is modeled after the Yugyoji Temple in Fujisawa City.
** The iconic Fuyuki Bridge and the building that was the inspiration for Rin's house can be found in Kobe.
** Two buildings in the Akashi Castle complex were also used for inspiration: the Oda Nagayamon gate (which is where the outside shot of the Emiya residence is modeled after), and a dojo that served as the model for the archery dojo of Homurahara Academy.
* RelationshipVoiceActor: Gilgamesh is voiced by Creator/TomokazuSeki, who has several times played roles of villains that lust over the character played by Creator/AyakoKawasumi (Saber's voice actor).
* WhatCouldHaveBeen:
** [[AllThereInTheManual An artbook known as ''Character Material'']] has revealed that the protagonist was originally a ''girl'' named Sajyou Ayaka and her Servant would have been a guy (named [[{{Engrish}} Saver in the artbook]]). Ayaka was eventually reworked, in parts, into both Shirou ''and'' Rin, but the original idea was animated into a short OVA titled ''Anime/FatePrototype.''
** In one of the Tiger Dojos, Ilya mentions that it would be nice to see a Route in which Shinji cooperated with Shirou, or one Route when Caster became an ally. Taiga right away smacks Ilya in the head and say "Don't talk about the rejected Routes!". Along with the information on the "Ilya Route", which was cut and reworked into the "Heaven's Feel" route because Ilya is the TokenMiniMoe, this means that there would be a lot of Routes, but thanks to "time and resources not being infinite" (another quote from Taiga) they were rejected. To be more specific, Fate/side material revealed that in the Caster Route, Caster would have reversed her age, turned into a loli and become the protagonist's partner. Unlike Rider's route which was also scrapped, none of this was incorporated in the end product.
** ''Fate/Prototype'' shows us that Gilgamesh's original Noble Phantasm instead of Ea was Enki (which is another name for the same god), a bow/double sword combo that allowed him to summon the Surge of Utnapishtim, or as it´s better known, ''[[TheGreatFlood the flood Noah had to survive]]''. He also had a third passive Noble Phantasm that allowed him to survive any battle no matter what, [[UltimateShowdownOfUltimateDestiny which would clash with Berserker's Noble Phantasm, which was to not lose for eleven battles, concluding with Gilgamesh losing but surviving and Berserker winning but dying]]. He was also far more skilled in melee combat, easily trouncing Saber in a fight with only his Enki blades.
** It's stated in the [[HaveANiceDeath Tiger Dojos]] that Nasu had been toying with the idea of giving Ilya her own route if ''Heaven's Feel'' was short enough, but it wasn't. The details of her own route were largely folded into ''Heaven's Feel'' instead. It's also mentioned once that there was originally a scene in the ''Fate'' route where she raped Shirou in a BadEnd, but that scene was obviously cut. And then in ''VisualNovel/FateHollowAtaraxia'' it's revealed that even Shinji was more likely to get his own route than her.
** The Stray Servant who was one of the original heroine candidates for the visual novel and would eventually be reworked into [[VideoGame/FateGrandOrder Shielder]] was first briefly mooted as a route heroine during initial production (though quickly scrapped as there was no way there'd be time for her), and later planned to be put in the 2006 anime adaptation by Creator/StudioDEEN. She was planned to replace Assassin as Ryuudou Temple's gatekeeper and use her Noble Phantasm, [[spoiler: Lord Camelot]] to raise impenetrable white walls to guard the temple. In this scenario, Saber would've recognized it and its wielder, [[spoiler: a [[GenderFlip gender flipped]] Galahad]], and try to overcome a mental block of defeating someone she knew in her past life. [[spoiler:Funnily enough, ''F/GO'''s Camelot chapter would end up essentially flipping this arrangement around.]]
!! Characters who serve as gods in the Trope Pantheon[[note]]List is incomplete[[/note]]:
* [[TheHero Shirou Emiya's]] [[SpontaneousWeaponCreation Projection magic]] [[spoiler: and Archer's Reality Marble]] puts him in the house of House of Pantheon/{{WeaponWielding}}
* [[GenderFlip Saber]] is in the House of Pantheon/{{GenderAppearances}}
* [[ZettaiRyouiki Rin]] is in the House of Pantheon/{{Clothing}}
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