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Fanfic / Mythos Effect

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The age of the Citadel has ended. The time of the Strange Aeons has begun.

Mythos Effect is a Crossover Fanfic between Mass Effect and CthulhuTech.

In the year 2157, more than half of a century since the end of humanity's survival against the Great Old Ones and the Migou in the Aeon War, the New Earth Federation discover a Mass Relay near the colony of Shanxi. This soon led to humanity's first conflict with the Turian Hierarchy and unleashing their arcanotech might, and other unspeakable horrors, upon the galaxy. discussion thread here.


Examples of tropes in this fanfic:

  • A Tragedy of Impulsiveness: The entire war could've been averted if Gallus hadn't jumped the gun and ordered his men to open fire on the humans inspecting a dormant mass relay.
  • Alien Arts Are Appreciated: After navigating the utter mess that is arcanotech, human scientists are quite grateful to realize Turian and Element Zero tech is so much easier to understand and apply.
  • All There in the Manual: Almost every chapter has a Codex entry at the end.
  • Alternate Universe: In that the Systems Alliance has been replaced with the New Earth Federation, and all the backstory that comes with it. Things just snowball from there.
  • An Arm and a Leg: Saren has his arm bitten off during his first deployment.
  • Arbitrary Skepticism: The Citadel races having a hard time believing about magic, Old Ones, and Eldritch Abominations. Sparatus outright accuses the humans of making them up in an attempt at intimidation.
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  • Armchair Military: Discussed. Desolas Arterius mutters that Last Stands always look admirable to those who don't have to carry them out. Assumptions like those locked the Turians in a dangerous position with no way of striking back while steadily losing after a promising start.
  • Artistic License – Economics and Artistic License – Law: The war is going so utterly awfully for the Turians and they are so disinterested and disconnected from the actual process of generating wealth, plus the Council's decision to cancel all trade with them, they've come with increasingly ridiculous and exploitative forms of taxation. Currently, the last series of amendments imposes new taxes, forces the Turian client states to buy enormous amounts from Turian worlds (with added tax), and cancels all duties on Client products.
  • Artistic License – Physics: During the first fight between the New Earth Federation's and the Turian Hierarchy's fleets, the NEF use an antimatter bomb on the Turians, who state they have not detected any radiation spikes. However, the antimatter bomb does create a radiation spike in the gamma spectrum.
  • Awakening the Sleeping Giant: What the Turian Hierarchy is getting into with the New Earth Federation.
  • Beauty Is Never Tarnished: Averted. Turian soldiers of both genders tend to be heavily scarred in the war against the New Earth Federation. One lieutenant is noted as looking "like his head was cut into a dozen pieces then put back together by a drunken Vorcha" while his female partner is missing a mandible, leaving the teeth on the right side of her mouth exposed.
  • Body Horror: The victims of the Bloodgod Tager wound up twisted in such a manner.
  • Boring, but Practical:
    • The Volus aren't soldiers or scientists or diplomats like the Turians, Salarians, and Asari respectively, but they did functionally create the galactic economy including the credit. That they didn't receive a council seat for it chafes quite a few of them.
    • Humans love to use dedicated artillery bombardments, often lasting a couple days. While they rarely cause significant enemy casualties, they keep the enemy from being able to do anything while the humans move their forces into position and help destroy the surroundings to make sure the enemy can't use them to their advantage.
  • Cassandra Truth: Quentius tried to warn the Hierarchy that it is a VERY bad idea to declare war on humanity.
  • Cruel and Unusual Death: The fate of many of the Turian attackers, bent out of shape, Eaten Alive, Mind Raped, and plenty more.
  • Colonel Badass: Colonel Tarkin, or as the Turians would call him, a Colonel Steel-Hide.
  • Combat Pragmatist: Humanity as a whole. The Aeon War kind of turned the concept of overkill into a poor excuse for a joke.
  • Comically Small Bribe: Zig-zagged. When the humans receive the first offer of ten billion credits as part of the peace settlement, they think it's a bit on the low end but fairly reasonable. Then they flip to page two; the offered settlement is contingent on the destruction of all arcanotechnology and complete change to Element Zero-based technologies (which amounts to at the very least full decommission of the entire Human military machine, and quite likely a complete implosion of Earth's economy). This quite unsurprisingly insults Nazzadi and Human alike, and Sparatus' Cultural Posturing all but ensures war will explode.
  • Cosmic Horror Story: The Turians were expecting Humanity to be primitive savages. They expected wrong.
  • Cultural Posturing: How the Turians see themselves, with a dash of the alien equivalent of White Man's Burden. Sparatus, for instance, rebuffs any attempts at invoking authority by referring to any human as "human" instead of using any actual titles.
  • Curb-Stomp Battle: Shanxi for the Turians. It had to be done extremely carefully, but the end result was still a massacre.
    • In the aftermath of Shanxi, news reports say the Hierarchy is more or less receiving a beating from the Federation. And to their horror, it's still whitewashing; despite not making any significant advances beyond Digeris, the NEF is in a vastly superior position to the Hierarchy (they know exactly where to hit and their independence from Mass Relays makes them impossible to find) and has successfully forced the Turians into a bloody stalemate they can't hold on forever with a failing economy and grievous, mounting losses. The overly standardized and extremely well-known Turian strategies are worse than useless against NEF forces and at best serve only to bleed the Turians faster.
  • Dissonant Serenity:
    • West. He conducts his autopsy of a Turian with a song in his lips, bouncing ideas on how to worsen the effects of the neurotoxins used against them.
    • Julek, a Turian veteran in the war against the NEF is repeatedly noted to talk like he stopped over at a friend's for a chat, rather than in the middle of a war zone with his forces getting butchered.
  • Driven to Madness: The Turians think we're insane for fostering mass use of technology proven to induce eventual madness in both the developer and the user.
    • This is also the fate for those Turians who manage to survive encounters with demons or fighting against the many creatures the Federation can deploy against them.
  • Driven to Suicide: Admiral Gallus, after his rash actions cause his fleet to be curbstomped.
  • Dude, Where's My Respect?: The Volus heavily dislike how the Asari and Salarians completely ignored the great effort they made to build the entire galactic economy, and are furious for how the Turians take them for granted. Worse, the latest amendments to the Client Pacts all but reduces all Turian client states to mere moneymaking machines for the increasingly failing Turian economy and army.
  • Dude, Where's My Reward?: After building the galactic economy, including creating the standardized "credit" currency, the Volus requested a seat on the Citadel Council. The Asari and Salarians denied them, stating that one must "perform a great service to the Citadel to earn a seat". This is especially noteworthy as the Volus were the third race to reach the Citadel, making the Council relatively recent and meaning it hadn't gained a single new member since its formation.
  • Eaten Alive: The final fate of Desolas Arterius. Several others meet similar fates against the Nephilim.
  • Eldritch Abomination: Heaps, both against Humanity and from them. The Salarians are at a loss as to how Engels even exist.
  • Evil, Inc.: The Chrysalis Corporation.
  • Famed in Story: Colonel Tarkin is considered a legends a couple years into the war, due to being one of the only surviving (and sane) Turians from the start of the conflict.
  • The Famine: The turian garrison defending Coryza takes a major blow when NEF forces succeed in destroying their food supplies, and their quartermaster imposes a rigid rationing to make the remaining food last for a month. However, his idea of "rationing" is more like "reducing meals to the absolute bare minimum to stop anyone from dying". Adrien describes the situation as torture, and already one of the survivors has preferred to kill himself via Suicide by Cop rather than give the NEF the satisfaction of killing him.
  • Fatal Flaw: For the turians, Pride. They can't accept that their initial attack on the New Earth Federation was illegal and immoral, and that they might not be the strongest military around anymore. Case in point, Desolas Arterius is held in contempt for surrendering to the NEF while the latter outnumbered and outgunned his forces along with having complete aerial and orbital superiority, plus being directly told by the sole remaining Navy officer that a refusal to surrender would be tantamout to a declaration of total war.
  • The Federation: New Earth Federation.
  • Felony Misdemeanor: Adrien Victus got stuck as a lieutenant for over a decade despite an impressive service record due to being "too unorthodox".
  • General Failure: Admiral Gallus' reasons for invading Shanxi so that the Turians can gain humanity's non-Element Zero technology, which he deemed as a potential threat to the Citadel. The rest of the Turian Hierarchy soon follow the same rationale along with seeking revenge over their defeat at Shanxi, and horror at arcanotech.
  • Give Me A Gun: Saren, immediately after waking up from the pain of an arm amputation. However, with his wounds, the war's over for him.
  • Groin Attack: During the Tagers' infiltration of the Resolute Spirit, one of the Turians shoots a Tager in the groin. The only reactions are incredulity and then unbridled rage.
  • Had to Be Sharp: Having come off multiple wars with Eldritch Abominations and Starfish Aliens while using technology that can drive them insane, humans became far deadlier than anyone in the Citadel expected.
  • Honesty Is the Best Policy: The Turians avert this. A far-right group presents a proposal to increase the already intolerable levels of pressure on the Turian client states to truly draconian levels; the proposal was tossed into the garbage, but the group immediately launched an Extranet campaign, painting themselves as the only reasonable voice to win the war. The Primarchs covered the whole thing, but the Turian sent to oversee negotiations with the Volus confesses, hoping to invoke the trope. Instead, the cover-up works as the straw that breaks the camel's back and prompts the Volus ambassador to throw his support to a cabal angling to sever the dependence between Turian and Volus.
  • Honor Before Reason: Every general but one gave Desolas Arterius grief for surrendering to the humans, calling him a disgrace to his rank. Desolas's response is that a Last Stand only looks impressive when you're not participating in it.
    • Ferox insists in ignoring Victus' attempts to come up with a plan to escape the siege the NEF's been forcing their group and insists on taking the fight to the humans, even though Victus points out that if they did, they'd become artillery fodder and a humiliating footnote at best. Ferox doubles down, fervently invoking their ancestors and how their tactics and protocol are absolute, and Julek has to brutally confront him to make him back down.
  • Hope Spot: Several. The Asari send a Matriarch to negotiate and hopefully defuse the situation. She manages to FUBAR the mission when she attempts a melding on a race scarred by mind-raping Eldritch Abominations, leaving the Turians with the responsibility of drafting a peace settlement. While it starts off well, acknowledging they jumped the gun and that they have to pay reparations, they get stuck when discussing arcanotech, Engels and energy weapons. Quentius shows a video of the events at Shanxi to the leading Primarch, hoping to convince him Earth is best left in peace. This has the exact opposite effect when the Primarch is so disgusted at arcanotech he presses for treaty clauses involving, in a nutshell, the defanging of Mankind's war machine and joining the Council as an associate race. This insults the humans beyond the point of appeasability and starts the war.
  • Humans Advance Swiftly: In less than two centuries, they have gone from a planet-bound species to being able to handily beat an alien race that has been fighting for thousands of years.
  • Humans Are Warriors: Justified - after nearly a century of conflict against aliens, cults, and cosmic horrors, the Turians really aren't as scary as they think.
  • Humans Through Alien Eyes: Inverted and discussed. When an Eldritch Society agent scours a Turian soldier's mind, he's a bit surprised to find very familiar drives and emotions.
  • Humongous Mecha: The Engels.
  • Hypocritical Humour: A female troop commander complains that, when men of different corps meet, all they do is to have "dick-measuring contests". One of the men under her command points out that she was comparing bust sizes with a Nazzadi woman a few weeks ago. She denies it, but her next comment makes it obvious it did happen.
  • Idiot Ball: Alayah's idea of starting the Citadel-human negotiations with a mind meld instead of just using words only had her accused of Mind Rape and an act of sabotage, and almost brought war between humanity and the Citadel. She justifiably receives a verbal reprimand by Tevos herself.
  • Interservice Rivalry: While mostly friendly, the ground soldiers and mecha pilots still rag on each other nigh constantly. (ie. "Like the LZ we cleared of hostiles for you?" "Must have been scary with only your two story armored mecha to protect you.")
  • Irony: Lampshaded by Captain Jorus who notes that for all their claims of trying to prevent another Rachni War, the Turian Hierarchy is doing a good job of starting one.
  • Just Following Orders: Essentially the reason Jorus gives for why he helped his superior officer attack Shanxi. The humans present make their disdain for this kind of thinking very clear.
  • Klingon Scientists Get No Respect: The Turians are looking down on the Volus, despite them being vital to Hierarchy economy, and deny promotions to any officer who can think for himself instead of blindly following the centuries old military dogmas. Both are coming to bite them hard in the war.
  • Leaning on the Fourth Wall: The Salarian councilor Torbel thought of humanity's history and the Aeon War as something written out of someone's idea for a Sci-Fi roleplaying game.
  • Leonine Contract: The Volus ambassador feels this way about his people dealings the Turians. The Volus not only supply the Turians with materials and money, but also basically created their entire economy. What the Volus get in return is being forced to go to war against the NEF alongside the Turians.
  • Mad Scientist: Herbert West, as per canon. Except here, he's actually encouraged to do so by the NEF government.
  • Magic Versus Science: Humanity didn't fight. They just married both through arcanotech, which might melt your brain when in development, but is far safer when the kinks are worked out. The Turians, meanwhile, think magic and the local abominations are a collective delusion, convincing them we're lunatics with technology that's far too advanced for us.
  • Magitek: Arcanotech.
  • Memetic Badass: In-Universe it's suggested that the reason Admiral Slade is Older Than He Looks is because time is afraid to age him.
  • Military Maverick: Captain Adrien Victus was passed over for promotion several times (being stuck as lieutenant for over a decade) due to being "effective but unorthodox".
  • Mind Rape: What the humans regarded the Asari's mind meld during their almost disastrous negotiations as. And what they did to Severus. The Turians' inexperience with this heavily hinders their effectiveness in battle and morale plummets in ground encounters.
  • Mook Horror Show: For the Turians for facing against Engels and Tagers.
  • My God, What Have I Done?: Alayah is horrified to realize that humanity considers the Asari mind meld the equivalent of rape and fears she doomed the galaxy to war with her impulsive decision.
  • Mythology Gag: Sparatus makes air quotes when invoking the memory of the Aeon War.
  • New Meat: Despite being veterans, all Turian soldiers new to the frontlines in the war against the NEF are treated like cadets fresh out of training. Adrien notices the discrepancy in an officers meeting with all the new officers standing at parade rest in fully polished armor and the veterans looking like they woke up in a morgue and just climbed out of their body bags.
  • Nice Job Fixing It, Villain!: Hastur's psychic scream, made out of spite against humanity for defeating him, wipes out the Migou before they can wipe out humanity.
  • Nicknaming the Enemy: The Turians and Humanity call each other the Turkeys and the Nefs.
  • Off the Rails: The heavy beating the Turians are taking from the Federation means the Salarians have had to monitor the Terminus more thoroughly, as small pockets of unrest are forming with the Council's main fighting force virtually tied up. The Volus are also preparing to make their move, knowing the Turian economy is in ruins and that they don't have the capacity (or interest) to put it back on track.
  • Older Than They Look: Admiral Silas Slade is well into his fifties but noted to not have any wrinkles. A common theory among the military is that time is afraid to age him.
  • Only Sane Man: Primarch Quentius, the only Turian Primarch that knew trying to force humanity to stop using arcanotech would only bring trouble.
    • Captain Jorus of The Resolute Spirit tries talking his CO out of attacking the humans, stating that they couldn't possibly have known Citadel Laws and could have been warned instead. Likewise, he's against invading Shanxi, stating it will only make matters worse.
  • Outside-Context Problem: Humanity serves as one for being the only space-faring race ever encountered by the Citadel to not use Mass Effect technology. That and the Mind Rape and Eldritch Abominations they utilize.
  • Prevent the War: Tevos, Torbel and Primarch Quentius make a valiant, if ultimately doomed, effort.
  • Psychic Powers: Parapsychics.
  • Punch-Clock Villain: Most Turians at the beginning - particularly Captain Jorus, who points out that the initial attack on the humans was unbelievably stupid.
  • Reasonable Authority Figure: Primarch Quentius is literally the only Turian leader who realizes that trying to force the New Earth Federation to give up arcanotech (effectively gutting their military and technological bases) in favor of Element Zero technology and submitting to the Citadel Council as an associate race will not only cause a war, but that it's a war they can't win.
    • The Council itself, other than Sparatus, likewise realize that going to war with the NEF is a bad idea, and when it breaks out, keep their people out of it, making it clear that it's the Turians' problem, not theirs.
    • The NEF proves willing to continue peace talks even after Alayah's massive faux pas, though with the provision negotiations are done with Turians rather than Asari.
    • Unlike his Honor Before Reason associates, Colonel Tarkin doesn't give a damn about following protocol if it gets the job done. In his introduction to Captain Adrien, he outright tells the soldier that he can print hard copies of them and wipe his ass with them so long as he does his duty.
  • Reassigned to Antarctica: The sad fate of the few Turian officers that preferred not to poke the bear.
  • Revenge Before Reason: For the higher Turian echelons, the war's more about being shown up at Shanxi, foreign technology they refuse to even try to understand and being actually held back by a bunch of crazy upstarts than any actual interest in humanity.
  • Salt the Earth: The Turians subject Shanxi to this. Desolas bitterly wonders what humanity's gonna do in revenge.
  • Screw This, I'm Outta Here!: When the Turians end up going to war with the NEF, the Asari and Salarians wash their hands of them and stay out of it. And the Volus are doing their best to not get actively involved as well.
  • Shell-Shocked Veteran: A continuing problem for the Turians, as there simply have been no wars that inflict such a level of trauma in their soldiers in their history.
  • Silly Reason for War: Revenge Before Reason, for the Salarians, Asari, and Volus. The Turians aren't very popular.
  • Sociopathic Soldier: Julek, of the Digeris garrison. He's unbothered by the act of coating himself in a corpse's guts to mask his smell, and brutally confronts Ferox without blinking an eye as they have a knife fight.
  • Starfish Aliens: The Migou.
  • Stating the Simple Solution: Captain Jorus suggests they simply warn the humans against activating an inactive Mass Relay instead of blowing up their ships. Unfortunately, his commanding officer disagrees.
  • Suicide by Cop: Tarkus, one of the survivors of the assault on Coryza, steadily breaks down after the destruction of their rations. After several days of extremely rationed food, he crashes against another soldier and drops his tiny meal. This proves to be the breaking point, and he charges Tarkin in rage just to go out in his own terms. Unable to do anything else, Tarkin is forced to put him down.
  • Superweapon Surprise: The humans pull these several times against the Turians.
  • Taking You with Me: When the Aeon War came to an end, Hastur, out of spite, unleashed a tremendous psychic scream that spread across Earth's solar system, causing many people to have seizures while the Migou - whose minds are very sensitive - are instantly wiped out (indirectly stopping them from unleashing their doomsday protocol that could have destroyed Earth).
  • Telepathy: Dream Tagers, such as Snitch.
  • Tempting Fate: After a Turian soldier goes hysterical from seeing a demon, one of their officers tells himself that he hopes to never see whatever the soldier saw. The narration promptly lampshades how one should not give fate ideas.
  • There Is No Kill Like Overkill: A lesson humanity learned during the Aeon War, and with good reason - when you are fighting an Eldritch Abomination, the only way to kill it is to use such overwhelming force that you can wipe it out.
  • This Means War!: The Turian Hierarchy declaring official war on the New Earth Federation following Gideon's rejection of Councilor Sparatus' terms of what is actually destroying everything that made up the New Earth Federation. The attending Earth delegates all barely restrain themselves from killing Sparatus.
  • Those Were Only Their Scouts: While a force of Turians manage to take down twenty Nephilim, they're aware that it was only a scouting force. Immediately afterwards, hundreds, if not thousands, of the beasts swarm their location.
  • Threat Backfire: When the humans and Nazzadi collectively spit on Sparatus' terms, he warns that should the Turians win, the humans will instead join the Council as a client race of the Turians. This convinces them refusing is the correct answer.
  • Throwing Down the Gauntlet: Captain Victus does this to his rival Captain Kleitos after one insult too many.
  • Torture Technician: We'll leave you with the implications of an entity capable of molding flesh and bone with the same ease as putty having this job.
  • Transhuman: Via the Rite of Sacred Union by the Eldritch Society, creating the Tagers.
  • Translator Microbes: Sorta. Language Recognition Units are small earpieces capable of translating several preprogrammed languages, on the human side. Both parties need one, the translation is both noticeably robotic, and has an odd tinny inflection.
  • Values Dissonance:
    • In-Universe, for the Asari a Meld has two purposes; the first is reproduction, and the second is a way to establish trust between two parties by allowing them to truly understand one another. For the New Earth Federation, it's equivalent to Mind Rape. The Asari ambassador is absolutely horrified to learn this both due to the fear her attempt at Melding with an NEF ambassador may have doomed her species to a war they probably can't win, and because her well-intentioned attempt to stop a war using what she believed to be the most effective means available actually resulted in her committing what the NEF considers to be one of the most heinously violating acts imaginable.
    • For the Turians, Just Following Orders is a valid reason for actions they know to be wrong, whereas humans haven't accepted such an excuse for centuries, citing that it's a soldier's duty to disobey illegal/immoral orders. Likewise, humans value outside the box thinking while Turians regard unorthodox tactics as a disgrace, regardless of how successful they are. Chapter 18 establishes that disobeying a direct order is one of the highest offenses in the Turian military and enough to warrant a field execution.
  • Villain: Exit, Stage Left: According to the prologue, while Chrysalis Corporation was destroyed during the Aeon War, the Chairman (Nyarlathotep's avatar) escaped and disappeared.
  • War Is Hell: Especially when fighting the kinds of monstrosities that the Federation can come up with, as the Turians learn to their horror.
  • We Have Become Complacent: Discussed about Turian military might. Last time they had a crisis remotely as bad (the Krogan Rebellions) they had the Asari financing them and the Salarians feeding them intel - and even then they were on the ropes until they managed to infect them with the genophage. Now neither race wants anything to do with their thirst for revenge, and even the Volus are deeply offended at the use of their money to finance the war.
  • We Need a Distraction: As horrifying as Adrien finds a Tager infiltrating his post and slaughtering his platoon, it rapidly becomes worse when he realizes the real objective was to destroy their supply caches. While they're fine on ammunition, their food and medical supplies have been reduced to the point that they might have a month's worth, after rationing what was left.
  • You Have GOT to Be Kidding Me!: Earth's president responds with incredulity that a war was nearly started because of "some trigger happy cops".


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