->''Why do you fight? Why do you exist?''

The Spanish [[AlternateHistory have failed to conquer the Aztecs]], the conflict between them resulting in their nations expanding faster than any previous power in history. War between the two nations powers an exponential LensmanArmsRace, and soon neutral entities are forced to retreat, leaving the map completely dominated by the [[ModernMayincatecEmpire Aztec Empire]] and the rivaling Iberian Union. The fighting only escalates as weaponry becomes more and more powerful, and it soon seems the world will be plunged in war forever.

[[OutOfGenreExperience Then it becomes quite likely]] [[FreudWasRight one of the most sexual]] HumongousMecha tales formulated.

''[[http://www.fictionpress.com/s/2997974/1/Ilivais_X Ilivais X]]'' starts fairly standardly, where Iriana Estchell, a [[TheOphelia serenely disturbed]] and [[OlderThanSheLooks childish-looking]] girl escapes her Aztec rulers in the eponymous [[SuperPrototype Ilivais X]], only to be captured by three members of the [[TheKingdom Gaia Forces]]: [[HotBlooded Mille Chanteau]], [[FriendlySniper Essen Dywell]], and [[GeniusBruiser Sura Verandis]], who quickly become her main allies and her only friends (despite what she says).

Despite the political setting, the story is far more focused on CharacterDevelopment than the overarching plot at hand. The setting is fairly evocative of a mix of the [[RealRobotGenre real]] and [[SuperRobotGenre super]] robot genres, blending and playing with various elements of the two. Indeed, there is a large amount of anime flavor and a hell of a lot of cues from other mecha shows- if it's well-known within the genre, chances are you can probably find some element of that played with or referenced at some point.

[[CompletelyMissingThePoint Obviously, the single most important part about the entire story is that it doesn't use dialogue tags at all.]]

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!!''Ilivais X'' provides examples of:
* AffablyEvil: Despite being the main antagonists, much of the Aztec pilots are far more sympathetic than Iriana tends to be.
* AllNationsAreSuperpowers: Essentially put, the Aztecs dominate the American continents, while the Iberians control Europe, Africa, and Asia. The Gaia Forces serve as a buffer area, holding the areas around the Bering Strait, much of Oceania, and Australia.
* AlphabeticalThemeNaming: The 26 Ilivais units have more elaborate titles, but always go by their assigned letter designation. "Ilivais X" is much more convenient to say than "Aztec Ilivais Prototype X- Dark Energy Phonos Weapon", after all.
* AnimalMotifs: The Avespias are basically bees in the form of building-sized robots.
* {{Animesque}}: The setting establishes itself with as many anime quirks as possible, essentially so the "dark reprise of all mecha anime" part is more effective.
* ArcWords: The quote at the top, used quite a bit by several characters.
* TheBattlestar: The Iberian MES battleships.
* BetaCouple: Subverted with [[spoiler: Churi and Sycine]]. They broke up well before the start of the story.
* BoringButPractical: The Espadas, while fragile and made in excessive numbers, are quite tactically effective and usable in swarm tactics.
* CombiningMecha: The STRUQ Team is this, all of which are awkward-looking in mecha form but much more elegant in part form. Their End Codes have them transform to attack.
* DesperationAttack: The End Code, which varies for its users. It's a last-resort move for the GEKICOM Elementals, expending most of their reserves on a single, high-powered attack, unless the unit in question can recharge itself. The Specialized Weapon Units instead just perform a full assault maneuver, though they usually unload all their ammo in the process. In contrast, the STRUQ Team just attack in their transformed components, and can do so at will, and the Phonos Weapons have a SphereOfDestruction that can be used several times.
* ElementalPowers: The GEKICOM Team, all of which basically have full control over a certain element. No points for guessing which prototypes compose them.
* TheEmpire: Both the Aztec and Iberian empires.
* {{Expy}}: A lot, considering that this is a darker reprise of almost every mecha anime ever. The eponymous mech is pretty much {{Zeorymer}} (and the GEKICOM Elementals are based off the Hakkeshu as well), many of the characters are incredibly similar to those from other sources, etc.
* FiveBadBand: The Aztec Commanders.
** BigBad: Anosa
** TheDragon: Seyne[[spoiler: , at least until he defects.]]
** TheBrute: Sycine
** TheEvilGenius: Omnes
** TheDarkChick: Noille
** The STRUQ Team under Noille also counts.
*** BigBad: Noille
*** TheDragon: Primo
*** TheBrute: Lau
*** TheEvilGenius: Kolme (he even serves as something of a direct EvilCounterpart to [[TheSmartGuy Essen]])
*** TheDarkChick: Dia
* FiveManBand:
** TheHero- Iriana ([[AntiHero well]]...[[VillainProtagonist sooooorta]])
** TheLancer- Mille
** TheSmartGuy- Essen
** TheBigGuy- Sura
** [[spoiler: TheSixthRanger- Seyne]]
* {{Foil}}: Mille and Iriana. While Mille is fairly ample, hot-tempered, reckless, and colorful, Iriana is frail, cold-natured, analytical, and nearly monochrome. Seyne and Iriana count as well: the former usually carries an honorable air on the battlefield and is WeakButSkilled, the latter is UnskilledButStrong and often has to resort to playing a bit dirty to win.
* HighPressureEmotion: Deconstructed with the Drive Cores. Whenever someone is resonating highly with their own Drive Core (as in heavily feeling its set emotion), they start to glow and give off huge amounts of energy.
* IdiosyncraticEpisodeNaming: Each chapter is a "day", which makes sense given each one takes place within a rough 24-hour period (though it tends to be more divided on when the main characters sleep). Also, most of the chapter titles not only relate to the specific MonsterOfTheWeek, but also somewhat to the character interactions.
* LaResistance: The Gaia Forces sorta becomes this, but their intent is to serve as a buffer between the Aztec and Iberian borders, particularly around the Bering Strait.
* LoyalPhlebotinum: Subverted. From how Ilivais X "talked" to Mille, it seems as though it doesn't like Iriana that much, as she rejects both the Drive Core within X itself and her own Drive Core that X is coded to accept, but able to pilot simply because she does this. As such, it accepts Mille as its official pilot, which explains why she could use the End Code and instinctually blow stuff up, while Iriana can't use it and she has to struggle to be able to fight at all.
* MagneticPlotDevice: Ilivais X, specifically its Cyclic Engine. It's the primary reason the Aztecs don't simply abandon their attacks on Iriana.
* MeaningfulName: "Espada" is Spanish for "sword", and indeed, it serves as the basic weapon of the Iberians. "Avespia" is a portmanteau of "avispa" and "espia", or "bee" and "spy", since they have a bee motif and are mostly used for recon. "Oberos" means "to work", as it's a basic labor-type unit. And "Ilivais" is an alternate spelling of "elevais", or "to ascend", fitting since those who possess an Ilivais tend to "ascend" to importance.
** Damn near every character's name has some meaning, likely explaining why hardly any of them are anywhere near conventional. We'd be here all day describing what they all mean.
* MiniMecha: The Oberos units, which are unarmed utility mechs the size of a Smart. For being mundane civil service machines, they sure proved effective at the operation to reclaim X.
* ModernMayincatecEmpire: Obviously, the Aztec Empire.
* MonsterOfTheWeek: This is usually how the battles against the Aztecs play out.
* RealRobot: The Iberian Empire mostly uses the Espada, which is a basic, cheap, but functional weapon that stands at a simple 6 meters tall. The Avespias fall into this as well.
* RedOniBlueOni: Mille is the Red Oni (despite having [[YouGottaHaveBlueHair blue-ish hair]]), as she's more passionate, impulsive, and quite HotBlooded. Iriana's the Blue Oni, who at least tries to be calm and composed, but is strung up VERY tightly and prone to completely losing it in all sorts of ways.
* RedStringOfFate: Iriana did this in a somewhat literal way with Mille, making the string out of each others blood in a kind of haphazard transfusion. Since every cell of Iriana is designed to return to her, this essentially means Mille will always innately know where she is and be drawn to that location.
* SiblingRivalry: Seyne is TheRival to Iriana after all. It may border on an inverted CainAndAbel situation depending on how far Iriana will go, as Seyne's too honorable for that and he believes killing opponents wastes what could be a useful life. [[spoiler: This dissipated entirely upon Seyne's HeelFaceTurn.]]
* SlidingScaleOfSillinessVersusSeriousness [[SlidingScaleOfCynicismVersusIdealism Versus Cynicism Versus Idealism]]: The main dynamic between Iriana and Mille. Iriana fits in much with a heavy-handed, dramatic story of angstiness, while Mille practically views sillier old SuperRobotGenre shows as her holy manuscript, and as such, it shifts all over both scales. It even spills into each others' characters as time goes on- Mille has much less optimistic depths to her, while Iriana harbors a bit of a lighthearted DeadpanSnarker side on occasion.
** It's also, to an extent, Iriana's main conflict with the rest of the characters, or even the whole story- in a world that's very idealistic with fairly lighthearted citizens, Iriana drops drama bombs all over the place and overall creates more friction than a centuries-old war.
* SquareCubeLaw: More or less averted. All the mecha are basically jets with limbs, designed solely for aerial maneuverability. The legs are usually blades or mobile thrusters that could never properly walk, but they aren't meant to in the first place.
* SuperPrototype: All 26 of the Ilivais prototypes are capable of annihilating entire Iberian armies with ease singlehandedly. A bit subverted in A's case- it doesn't have amenities such as an End Code, wings, or capable weapons, and needs to utilize a lifter jet to practically get around. Seyne just manages to hold his own due to basically being [[VideoGame/SuperRobotWars Sanger Zonvolt]].
** The Phonos Weapons, comprising V through Y, are not intended for mass-production models at all. Their entire purpose is solely to be overpowered, expensive prototypes.
* SuperRobot: The Aztec Ilivais units are very showy, dynamic, and not very plausible en masse.
* ThemeNaming: The members of the STRUQ Team have vaguely numerical names in alphabetical unit order- Noille (0), Primo (1), Dia (2), Kolme (3), Lau (4).
* WeaponOfChoice: The Specialized Weapon Units all make use of a single multi-purpose weapon.
* XMakesAnythingCool: Though the use is justified, as it's the 24th prototype out of 26, it can't be coincidence that Ilivais X just happens to have the infinite energy generator and escalating powers and teleportation and regeneration and just a ton of other neat abilities.
* YuriGenre: Doesn't start off having really any subtext at all, but once Mille and Iriana's relationship gets going it becomes quite central to the overall plot.
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