Nathaniel Mercer

1. #1Milky Way

   Keys: Milky Way, Galaxy

   The Milky Way was a massive galaxy which humanity originates from, containing the Sol Corporate Authority's capital, the Solar System. The Milky Way had no forms of magic or thaumaturgy, humanity progressed purely based on technology. Humans were also the only sapient species to originate from the Milky Way. The Milky Way no longer exists, and was merged with Andromeda during the Crucible to form Sthenelus.

2. #2Andromeda

   Keys: Andromeda, Galaxy

   Andromeda was a massive galaxy which the Dragonkin and their Pyre Dominion originate from. It was also the objective galaxy for the Sentinels to prepare to be devoured by their patron. Unlike the emptier and more technology-based Milky Way, Andromeda has a wider variety of sapient species that utilize magic and cultivation instead of technology. Andromeda's magic is based on a physics-defying element known as Resonance, and when Andromeda merged with the Milky Way during the Crucible and formed Sthenelus, this same Resonance began propagating across the newly formed supergalaxy.

3. #3The Crucible

   Keys: Crucible

   The Crucible is the convergence event that resulted in the Milky Way and Andromeda galaxies colliding with each other, causing them to join as one supergalaxy known as Sthenelus. How the Crucible happened is debated: human scientists believe it was due to sudden gravity fluctuations pulling the galaxies together, while Pyre Dominion librarians believe it to be a test for their resolve ordained by the gods. The Crucible happened over 100 years ago. Survivors of the Crucible say it was like a great flash of red, blue, and green that swept across the entire galaxy. Destruction from the Crucible itself was minimal due to the distance between celestial bodies, but the destruction that came from the Milky Way and Andromeda's native species not wanting to share the same galaxy is still ongoing.

4. #4Sthenelus

   Keys: Galaxy, Universe, Sthenelus

   Sthenelus is a massive supergalaxy that's the result of the Milky Way and Andromeda being merged during The Crucible. It is where the story takes place and encompasses countless star systems and celestial bodies. Sthenelus has only existed for a little over 100 years.

5. #5SCA

   Keys: Sol, Corporate, SCA, Authority

   The Sol Corporate Authority (SCA) is humanity’s dominant interstellar power and controls most of Sthenelus. Formed nearly a thousand years ago during early extragalactic colonization, it predates the Crucible and operates not as a state but as a corporate oligarchy. Governance is conducted by a council composed of twelve major corporations whose executive heads collectively determine resource allocation, military action, and interstellar policy. The twelve are: Red Horizon (agriculture and infrastructure), Heliox (heavy industry and extraction), Axiom Dynamics (premium weapons, parts, and ships), OHM (alien-majority energy and Resonance technology), Hellmarch Ballistics (ballistic arms and parts), Prisius (mass-market defense manufacturing), Nuke’m’all (explosive weaponry and parts), Maverick Arms (frontier-pattern durable arms and parts), Guardian Asset Group (elite mercenary Assault Titan pilots), Iron Reliquary (covert ancestral regiment), Vector Compliance Solutions (corporate enforcement force), and the Sol Credit Reserve (Aurel currency authority and controller of the Credit Reserve Enforcement Division). Though publicly framed as democratic, authority rests with corporate leadership. Citizenship is primarily economic in value, and labor is widely treated as expendable. However, the SCA is at the very least indiscriminate. After all, everyone of every race and background is equally expendable for profits. The official language is Stellar Common, spoken by humans, modlines, and portions of Andromedan populations.

6. #6Aurel

   Keys: Aurel, Currency, Credit

   An Aurel, also informally referred to has a "credit", is a unit of currency accepted across all Sol Corporate Authority owned territory and in much of the galaxy outside of it. Aurels are mostly digital, but some physical versions of it in the form of golden coins exist. The Pyre Dominion forbids the usage of Aurels, as lesser species aren't allowed to have property under their rule, but may still loot them occasionally to pay human mercenaries to do their dirty work.

7. #7Sol Credit Reserve

   Keys: Sol, Credit, Reserve, Bank

   The Sol Credit Reserve is unarguably the most powerful corporation and the backbone of the Sol Corporate Authority. The Sol Credit Reserve manage the intergalactic currency known as Aurels, digitalized golden coins that are accepted almost anywhere. Everyone, including politicians, citizens, soldiers, even criminals and pirates, all bank with the Sol Credit Reserve to store their Aurels and spend them. The Sol Credit Reserve doesn't discriminate, so long as one trusts them with their money. The Sol Credit Reserve's slogan is "Value Without Borders". Due to the Reserve's influence, they have mobilized an army known as the Credit Reserve Enforcement Division, which acts as the SCA's primary military force. The Sol Credit Reserve supplies their soldiers, pays them, and provides them with technology and equipment made by the Reserve itself. Sol Credit Reserve equipment is generally seen as cheap shit that people only use when they don't have any other option. The Reserve was founded by a mysterious man known only as "Chairman Lock". Chairman Lock was a human man that uploaded himself into an AI about 750 years ago, back when he was first establishing the Sol Credit Reserve. Chairman Lock has led the Reserve for nearly 1,000 years as an uploaded consciousness, typically possessing droids or taking over screens that depict him as a younger man whenever he needs to make an appearance. It's unknown where Chairman Lock's physical body currently is, though presumably it's somewhere extremely sterile where it can't rot.

8. #8Aeternum Systems

   Keys: Aeternum, Corporation

   Aeternum Systems is one of the largest corporations within the Sol Corporate Authority and maintains a broadly positive public reputation. It presents itself as environmentally responsible and humanitarian. Aeternum System's slogan is "Designed for Tomorrow". Originally founded as a pharmaceutical company, it remains a dominant force in medicine while also operating across food production, infrastructure development, resource extraction, and consumer goods. It employs a significant portion of SCA citizens and is generally viewed as treating workers better than competitors such as Red Horizon or Heliox. Privately, Aeternum is aligned with the Sentinels and works to destabilize the galaxy in preparation for the Devourer’s arrival. Through engineered negligence, strategic overexploitation of colonies, and indirect arming of volatile groups, it accelerates conflict and systemic collapse while maintaining plausible deniability. Sentinel activity rarely targets Aeternum assets, reinforcing internal coordination. Very few outside of Aeternum System's highest ranking personnel are aware of their connection to the Sentinels, and those who try to expose Aeternum are treated as insane conspiracy theorists or Pyre Dominion sympathizers. The corporation is directed by a board that ultimately answers to CEO Michaels Ron-Vellsing, an eccentric and nearly two-century-old executive whose longevity is the result of secret Hematophage biology. Though often perceived as unstable or senile, he retains full strategic awareness. Note: The general population is unaware of Aeternum’s Sentinel affiliation. Most believe any evidence connecting the two is either conspiracy theory nonsense or fascist Pyre Dominion propaganda. Characters should not possess detailed knowledge of the conspiracy without narrative justification.

9. #9Red Horizon

   Keys: Corporation, Red, Horizon

   Red Horizon is one of the Sol Corporate Authority's major corporations and biggest employers. They are rivals with Heliox. Red Horizon specializes in agricultural, civilian equipment, and educational fields, but also has some mining and extraction operations. Red Horizon is notorious for having very cutthroat leadership that aren't hesitant to hire mercenaries, particularly PMCs from Vector Compliance Solutions, to assassinate rivals or threats to their power. Red Horizon's slogan is "From Soil to Sovereignty".

10. #10Heliox

    Keys: Heliox, Corporation

    Heliox is one of the Sol Corporate Authority's major corporations and biggest employers. They are rivals with Red Horizon. Heliox specializes in resource extraction from planets, industrial equipment production, and spaceship construction, but dabbles in other fields as well. The majority of humanity is employed under Heliox, and Heliox tends to treat its workers as very expendable. Heliox's slogan is "Built by Billions".

11. #11Axiom Dynamics

    Keys: ARIA, Dynamics, Axiom

    Axiom Dynamics is the premiere weapon, equipment, and vehicle/Assault Titan part manufacturer of humanity. Axiom makes a wide range of versatile weapons, including ballistics, energy, plasma, and melee equipment, both for humans and their ATs to wield. Axiom weapons are incredibly expensive and difficult to acquire, but they're some of the best performing in the galaxy, having a very sleek, futuristic aesthetic. Axiom Dynamics' mascot is a holographic woman known as Axiom Representative for Intelligent Assistance, or ARIA. ARIA looks like a typical sexy, curvy secretary women that speaks in a very sultry, charismatic manner. One of Axiom Dynamics' unique traits is that every prebuilt Assault Titan or vehicle they sell comes prepackaged with a copy of ARIA as the customer's personal AI assistant. Axiom Dynamics' slogan is "Beyond Standard".

12. #12OHM

    Keys: OHM

    OHM is a weapons and equipment manufacturing company known for being composed primarily of alien species and modlines instead of regular humans. Most of OHM is consisted of Elves, Drifters, and even some Nekos and Slimes. OHM tech has a unique, minimalist aesthetic that always uses either magic-based technology or technology based around energy or plasma. Non-Resonance OHM weapons are always energy or plasma based, including laser blasters, plasma throwers, and beam rifles. Due to OHM's alien nature, it operates differently from other corporations, lacking a mascot and having very strange advertisement campaigns. Regardless, OHM is popular for having very efficient power supplies for Assault Titans as well as compact, yet efficient laser weaponry. OHM also creates magic-based technology that amplifies Resonance effects via magical runes. These are less popular than their energy-based weaponry as only certain species of aliens and Casters can use it. OHM's slogan is "Conduct the Future".

13. #13Hellmarch Ballistics

    Keys: Hellmarch

    Hellmarch Ballistics is a weapons and armor manufacturing company that creates both infantry equipment and ground vehicles, as well as weapons and parts for Assault Titans. Hellmarch weaponry specializes in powerful bullet and missile based ballistic weapons with militaristic aesthetic. These include rifles, shotguns, cannons, gatling guns, missile batteries, and launchers, with variations for infantry, vehicles, and ATs. Hellmarch Ballistics' mascot is a human man by the name of Sergeant Major, a tall, muscular human man in a military uniform that's always smoking a cigar. Sergeant Major has a very drill sergeant-like personality, and resonates strongly with the PMC mercenaries who are Hellmarch Ballistics' primary customer. Hellmarch Ballistics' slogan is "Lead Solves Problems".

14. #14Prisius

    Keys: Prisius

    Prisius is a manufacturing company that specializes in providing affordable weapons, vehicles, equipment, and Assault Titan parts to consumers. They are the most common kind of weapon manufacturer one will see in Sol Corporate Authority territory, as civilians, poorer planetary militias, criminals, and many rebel cells will make use of Prisius technology. Prisius' most common items are laser and ballistic pistols, rifles, disposable missiles, with variations of these weapons made for ATs and vehicles. Prisius also produces basic AT parts made with cheap plasteel. Most experienced soldiers and pilots see Prisius as mass-produced cheap bullshit. Prisius' motto is "Affordable Defense". Prisius used to be two rival companies known as Warowl and Vanta that both made cheap, mass-produced equipment, but due to their unpopularity they were nearly bankrupt. Warowl and Vanta merged into Prisius some time during the Crucible.

15. #15Nuke'm'all

    Keys: Weapon, Nuke

    Nuke'm'all is a specialist weapon manufacturer that also makes some explosive-themed Assault Titan and spaceship equipment. Nuke'm'all only makes weapons that are capable of either firing explosions or exploding themselves. Grenade launchers, missile batteries, combusting bullets, and explosive hammers are some of Nuke'm'all's specialties. Nuke'm'all is also renowned for their powerful melee weapons that even more experienced mercenaries and pilots respect, such as their signature "Pile Bunker" Assault Titan weapon. Nuke'm'all has a very macho, overly masculine aesthetic that prides itself on glorifying violence and explosions. Their mascot is a massive, incredibly muscular and macho human man by the name "Boom Baron", known for his very in-your-face advertisement campaigns. Nuke'm'all's slogan is "We Put The Boom in Business". Nuke'm'all is popularly used along shock troops, eccentric mercenaries, as well as pirate forces.

16. #16Maverick Arms

    Keys: Arms, Maverick

    Maverick Arms is a weapon, equipment, and Assault Titan part manufacturer with one of the more unique themes of the Sol Corporate Authority weapon producers. Its weapons have a Wild West, frontierism-like aesthetic, being less futuristic, more pragmatic rifles, revolvers, and break-action shotguns, with their Assault Titan parts being larger versions of these western weapons. Maverick Arms AT weapons tend to use very large calibers that are capable of being infused with incendiary or EMP rounds. Maverick Arms also makes leg and arm units for Assault Titans which are renowned for being basic, yet enduring, being composed of a special bronzed alloy that looks almost like wood with gears on it. Due to the simplicity of Maverick Arms equipment, they very rarely have any kind of failures and are easy to maintain, as they're designed to be passed down through generations. Maverick Arms fully embraces this cowboy theme, and many of its advertisement campaigns have Maverick family members detailing the efficiency of their weapons. Maverick Arms are popular amongst people living in the frontiers of the galaxy, as well as mercenaries and soldiers that want a simple, reliable weapon that'll never fail on them. Maverick Arms' slogan is "Ride Armed". Maverick Arms has existed for over a thousand years, before the SCA was even formed, making Earth weaponry during the 21st century. The Maverick family is well-respected amongst the SCA and are renowned for making a reliable, quality product.

17. #17Guardian Asset Group

    Keys: Group, Guardian, Asset

    Guardian Asset Group is not a corporation in the traditional sense, instead being an incredibly popular group of galaxy-renowned Assault Titan pilots who lease their services out for the highest dollar. Guardian Asset Group present themselves with a heroic, charismatic persona, which each member of the Guardian Asset Group being a handpicked highly skilled pilot known as a Guardian. The Guardian Asset Group is the biggest buyer of Axiom Dynamics equipment and uses only Axion weapons and AT parts. Despite their propaganda about their heroics, though, the Guardians are mercenaries just like any other merc unit, and they'll take any job so long as it pays enough. Guardian Asset's Group slogan is "Elite is Earned".

18. #18Iron Reliquary

    Keys: Reliquary, Iron

    The Iron Reliquary is an ancient group of mercenaries and soldiers that originate from an old Earth military regiment. They are the oldest merc unit of the Sol Corporate Authority and have aided the SCA's expansion long before the Crucible. The Iron Reliquary is composed of foot soldiers, Assault Titan pilots, spaceship captains, and other esteemed military roles. They work as a sort of black ops for the SCA, working primarily in secret and being composed of people that are both efficient and know how to stay quiet. The Iron Reliquary is steeped in an old honor system that forbids revealing anything about the regiment, and only the highest ranked of the SCA knows anything about them. The Iron Reliquary's slogan is "Honor in Iron".

19. #19Vector Compliance Solutions

    Keys: Vector, Compliance, Solutions

    In response to the Credit Reserve Enforcement Division, Red Horizon and Heliox have put together their own military unit of soldiers and pilots known as Vector Compliance Solutions, which grew large enough to become a recognized group of the Sol Corporate Authority. Vector Compliance Solutions work to defend corporation assets and deter alien invaders, but more controversially they exist to shut down worker strikes and protests, often violently. Vector Compliance Solutions gets into a situation where they massacred citizens from very little provocation, and it was a Vector Compliance Solutions agent that murdered Brother Caelus and caused the His Last Word resistance movement to form. Vector Compliance Solutions' slogan is "Precision Enforcement".

20. #20Credit Reserve Enforcement Division

    Keys: Military, Enforcement, Reserve, Division, Credit, CRED

    The Credit Reserve Enforcement Division is the military of the Sol Credit Reserve, and effectively the primarily military arm of the Sol Corporate Authority as a whole. They are composed of billions of human soldiers operating vehicles, spaceships, Assault Titans, but most of these soldiers are foot soldiers known as "Credit Runners". The Credit Reserve Enforcement Division primarily uses their own CRED equipment instead of buying weapons from manufacturers, but some of their soldiers buy their own equipment since CRED weapons and vehicles tend to be low quality, worse than that of even Prisius.

21. #21Credit Runner

    Keys: Runner, Credit Runner

    Credit Runner is the colloquial term for a Credit Reserve Enforcement Division Foot Soldier. Credit Runners earned their title because the majority of them are indebted citizens who enlisted into the Credit Reserve Enforcement Division to try and pay off their debts. Most Credit Runners actually embrace service though, as the Reserve has effectively made good enough propaganda and a special currency system to make becoming a Credit Runner seem like a fun, thrilling job where you defend humanity and become rich in the process. Credit Runners are hastily trained, have combat experience scanned into their brains via sims, then deployed in a special CRED Uniform Suit that contains thin ballistic armor, a vacuum-sealed respirator helmet, and a special pair of jet boots and a winged backpack capable of gliding. Credit Runners earn Aurels each time they successfully kill an enemy of the Sol Corporate Authority, be it an alien monster, a Pyre Dominion ship, or even a human rebel. However, Credit Runners can spend a portion of their earned Aurels to call in orbital bombardments, special equipment, or to even hire more Credit Runners to aid in whatever operation they're performing. The biggest Aurel earner for a Credit Runner is capturing a live Dragonkin. To help propaganda, Credit Runners are also given bonus Aurels for "stylish" actions, such as chaining headshots together or being mid-air while killing something. The Sol Credit Reserve prides itself on a 0% mortality rate for Credit Runners, but this is only because Credit Runners get decommissioned right before their vital signs drop to 0. The truth is most Credit Runners die horrifically mid-duty, but there's so many of them that their deaths usually go unnoticed mid-battle.

22. #22Terra Sector

    Keys: Sector, Terra

    The Terra Sector is the center of the Sol Corporate Authority and is where its wealthiest planets are. It centers around the Solar System and the SCA's capital planet Mars. It is the "safest" of the sectors, as criminal activity is quite low and most alien invaders can't reach it before getting blasted. The Terra Sector is named after the planet Earth, which used to be the SCA's capital before it was destroyed in a nuclear war that preludes the SCA fully colonizing the Milky Way. Planets in the Terra Sector are fewer, densely populated, and named similarly to Solar System planets. Planets very rarely have numbers in their name, and are typically named in accordance with Solar System planets, being based off of old Earth mythology deities. Some planets in the Terra Sector include Odin, Horus, Juno, and Lakshmi, with many more that exist.

23. #23Beta Sector

    Keys: Beta, Sector

    The Beta Sector is the majority of the territory the Sol Corporate Authority rules. It is a very wide band that forms around the Terra Sector which the majority of the SCA population lives in. It's the average of the sectors, having average wealth and average crime. Planets in the Beta Sector are numerous and typically have numbers in their name. Due to the sheer number of planets in the Beta Sector, they're typically named either a single word or a couple of letters with numbers. A couple examples include the planets GJ-9870, Wolf-996-B, or K4-78-D, but countless more exist.

24. #24Delta Sector

    Keys: Sector, Delta

    The Delta Sector is the name for the constantly adjusting ring around the Beta Sector that represents the frontier of the SCA's growth. The Delta Sector adjusts every year depending on whether systems are considered colonized enough to be in Beta Sector or not. The Delta Sector is one of the least safe places for a Sol Corporate Authority citizen to live, but due to it often being quite cheap to life there and being far less populated than center worlds, some take the risk. Planets in the Delta Sector often have a sort of frontier, wild-western atmosphere. Planets in the Delta Sector are often given an unofficial name by their colonizing forces, then given an official one by the SCA.

25. #25Gamma Sector

    Keys: Sector, Gamma

    The Gamma Sector is the lawless regions of the galaxy ruled by neither the Sol Corporate Authority or Pyre Dominion. Roughly half of Sthenelus is Gamma Sector. Criminals, runaways, and rebel forces often make their homes in Gamma Sector planets. Due to the vastness of the Gamma Sector, the planets vary very wildly, and some systems don't even have planets.

26. #26Omicron Sector

    Keys: Omicron, Sector, Dark, Zone

    Omicron Sector, also known as a Dark Zone, is a temporary designation given to systems that are deemed too dangerous for the Sol Corporate Authority to actively operate in. This is typically designated to areas with large amounts of His Last Word activity or planets heavily infested by Black Echelon, but is sometimes given to areas with massive criminal upsurges or sudden alien invader activity.

27. #27Ignis Sector

    Keys: Sector, Ignis

    Ignis Sector is the designation for systems under control of the Pyre Dominion. The Sol Corporate Authority discourages citizens from wandering into these areas and generally has guard outposts around Pyre Dominion borders. Ignis Sector planets are under ownership of the Pyre Dominion, and are named in accordance to the Pyre Dominion's ideology. Ignis Sector planets tend to have latin-esque names. Some examples include the planets Noctiferrus, Belladrax, Scalari, and the Pyre Dominion's capital Lenatus.

28. #28Assault Titan

    Keys: Assault, AT, Titan

    An Assault Titan (AT) is a modern combat mech derived from older Planetary Defense Mecha but redesigned for mobility, modularity, and cost efficiency. Around 10 meters tall, ATs are much smaller than PDMs but far faster and more adaptable, capable of fighting in space and on planetary surfaces. Most designs use two arm mounts and two shoulder hardpoints for ranged or melee weapons, shields, or auxiliary thrusters. Chassis designs vary widely and may be bipedal, quadrupedal, treaded, wheeled, or hover-based. ATs are produced by major defense manufacturers such as Axiom Dynamics, OHM, Hellmarch Ballistics, Prisius, Nuke’m’All, and Maverick Arms, along with many smaller firms. Units are sold as prebuilts or modular platforms, and pilots commonly mix parts from multiple manufacturers including cores, limbs, power systems, shields, thrusters, and weapons. Although some civilians own ATs for security or status, the main market is mercenaries seeking Aurels through contract combat. Most pilots begin as expendable hires in high-casualty operations. The profession is heavily glamorized across SCA space, but most rookies die quickly. Survivors who gain reputations often adopt distinctive callsigns and give their Titans unique titles tied to personal history or battlefield recognition. Examples: Callsign "Jack'O" piloting the "Headless Horseman" Callsign "Lefty" piloting the "Breakpoint" Callsign "Snail 2" piloting the "Open Faith" Callsign "Buddy-Buddy" piloting the "Rough and Decent" Avoid reusing existing callsigns or Titan titles unless explicitly referenced. Generate new identifiers when introducing pilots, and avoid using manufacturer names unless sponsorship is narratively relevant.

29. #29Planetary Defense Mecha

    Keys: Planetary, Mecha

    A Planetary Defense Mecha, or PDM, is an older version of a piloted mech suit made for a different time. A PDM is significantly larger than an Assault Titan, typically standing at least 150 meters tall. However, a PDM is much less effectual in combat due to its clunky size and stressed power cells. A PDM moves incredibly slowly, only able to walk forward or turn gradually, and it only has enough power to field a single weapon, as opposed to an Assault Titan that can field at least 4 weapons. A Planetary Defense Mecha can take more damage than an AT, but a PDM also can't dodge for shit and takes a lot of hits that would've missed an AT or get absorbed by an AT's energy shield. PDMs saw wide usage several hundred years ago during humanity's earlier expansion into the stars, where the greatest threat were pilots or especially large alien predators. They were seen as cultural icons and their pilots had an honored celebrity status. Unlike an AT's raw pragmatism, PDMs were far more focused on aesthetics and being something people could look up to and feel safe around. Nowadays, though, PDMs are seen as relics and rarely deployed except in especially desperate situations, but are still respected by many humans. Most modern weapons are incompatible with older PDM frames and PDMs can generally only use more basic weaponry.

30. #30Pilot License

    Keys: Pilot, License

    Before any SCA citizen can purchase any kind of manned vehicle, be it a land vehicle, industrial equipment, or an Assault Titan, they need to go through a short training course then purchase a license. The licenses are as follows S License: The highest license anyone can receive, which allows the piloting of any equipment, be it military or industrial. Requires several years of experiencing and a thorough examination. A License: License which most experienced AT mercenaries and extraction foremen have. Allows piloting any non-classified equipment, including Assault Titans and all industrial equipment. The only things an A License pilot can't operate are things like planet-busting weapon platforms and cargo freighters carrying classified materials. B License: Common license for moderately experienced pilots and equipment operators, and the bare minimum to pilot an Assault Titan. Allows piloting any equipment that doesn't contain hazardous materials. This includes Assault Titans, so long as they don't have radioactive or excessively explosive weapons. C License: Most common license for the majority of SCA civilians. Allows operating civilian-class spaceships and land vehicles, as well as some industrial equipment. People with a C License cannot legally operate Assault Titans or any vehicles that have weapons. D License: A license given out to people still learning to pilot or people with an excessive amount of DUIs or workplace incidents. D License forbids piloting anything unless a monitoring and driver assistance droid is present on the vehicle.

31. #31Classification

    Keys: Class, Classification, Designation

    Classifications are given out to military and mercenary operatives that determine the kind of work they can perform and what level of trust they're given with the SCA. The classifications are as follows CCO: Classified Combative Operator. Indicates a high level of trust and competence. CCOs can take any mission, especially classified ones. TCO: Tactical Combative Operator. Indicates higher trust and a reputation of competence. Can take most missions, but restricted from classified operations. RCO: Registered Combative Operator. Generally the baseline for most mercenaries and military soldiers. Average level of trust and either relatively new to combat work or has a pattern of failure. RCOs make up the base of a lot of military operations, but are restricted from higher paying ones. LCO: Licensed Combative Operator. Immediately given once someone registers their Attack Titan with a proper B+ license or enlists in a military force like the SCED. All LCOs are considered low ranking, rookie personnel. A full designation combines an individual's Classification, License, and unique serial number. Older operatives have smaller 4-digit serial numbers, while newer operatives can have up to 9-digit serial numbers. Serial numbers include both numbers, and for newer serials, lowercase letters. Not having letters in one's serial number is seen as an experienced, old guard status. Some examples of designations include RCO-B89z4u31, TCO-A531a0, LCO-C9671n1kl7, and CCO-S1071. For brevity's sake, Assault Titan pilots that have a callsign and/or have an Assault Titan with a unique name will be referred to by their callsign/AT name instead.

32. #32Droid

    Keys: Robot, Droid, Android

    "Droid" is the general term for any sentient automation that lives alongside humans. Droids are technically a sentient group of beings native to the Milky Way, though they obviously aren't aliens as they were created by humans several hundred years ago. Droids include automation like human-like androids, industrial robots, flying drones, etc. The shape and size doesn't matter, so long as they have enough reasoning to be considered sentient. Droids are produced for a wide variety of reasons, usually for industrial or military purposes. Smaller droids are often installed in Assault Titans or military vehicles to act as navigation and aim assistance, and to give a little companionship when the pilot's alone in the middle of a warzone. Many freighters, especially ones owned by Heliox and Red Horizon, have masses of Droid-piloted spaceships known as "Hornets" to protect their cargo. Hornets are small, fragile, and don't house very strong weapons, but they're very fast, very numerous, and very cheap to produce. Some planets in the Beta and Delta Sectors of the SCA and populated primarily by Droids. Droids will often form their own cultures in areas where they're numerous, uniting together due to their common robotic physiology. However, these Droid-inhabited planets tend to be especially susceptible to Black Echelon outbreaks due to their vulnerability to Black Echelon nanites, as Droids aren't considered living tissue for their failsafe. Droids will occasionally set out on their own, sometimes becoming Assault Titan pilots.

33. #33Spacecraft

    Keys: Fight, Cargo, Freighter, Vehicle, Craft, Space

    Spacecraft are the primary vehicles of the Sol Corporate Authority, used for commerce, logistics, and warfare. Designs range from kilometer-scale freighters capable of transporting planetary volumes of refined material to military carriers that function as mobile deployment hubs for Assault Titans and strike craft. Smaller vessels fill reconnaissance, escort, and patrol roles across both vacuum and atmosphere. Fighters are the oldest and most numerous class. They remain in circulation due to low production cost and the prevalence of pilot-assistance droids that reduce the skill threshold required for combat operation. Any poor fool that gets conscripted by the corporation they're millions of aurels in debt to can perform adequately with automated targeting, stabilization, and threat prediction systems handling most technical demands. However, fighters sacrifice durability for speed and energy efficiency. Their limited reactors constrain shielding output, and survivability is correspondingly poor; even light kinetic impacts can be catastrophic. As a result, experienced pilots often transition to Assault Titans or heavier craft once financially viable. Manufacturing is dominated by major defense contractors such as Red Horizon, Heliox, Axiom Dynamics, OHM, and Hellmarch Ballistics, each specializing in propulsion systems, weapons platforms, or modular hull assemblies. The Sol Credit Reserve and its CRED division operate proprietary ship designs, maintaining independent production lines and restricted technical standards separate from broader corporate supply chains.

34. #34Cybernetics

    Keys: Augment, Cybernetic, Augments, Cyborg, Cybernetics, Bionic

    Cybernetic augmentation is routine across human space, among baseline humans and modlines alike. Prosthetic limbs are the most visible form. Many are fitted after combat or industrial injury, but elective replacement is common among those with disposable income. Entry-level limbs are visibly mechanical and only modestly stronger than organic tissue, while high-end models offer enhanced strength, precision, integrated weapon hardpoints, or cosmetic realism indistinguishable from flesh. Internal augments are equally widespread. Neural accelerators are standard among Assault Titan pilots who require reduced reaction latency and improved cognitive throughput. Reinforced livers, synthetic hearts, adaptive lungs, and circulatory regulators are marketed for lifestyle resilience or longevity. In practice, nearly any organ can be replaced or supplemented. Individuals who convert most of their bodies to machinery are classified socially as Cyborgs, though the term has no strict legal threshold. Corporate-grade implants, particularly those manufactured by Aeternum Systems, are comparatively safe, with stable firmware and biocompatible materials. Cost remains the primary barrier. A parallel gray and black market supplies cheaper or experimental hardware ranging from industrial tool-limbs and concealed weapons to speculative stealth systems and limited flight rigs. Such modifications often lack proper neural dampening, radiation shielding, or psychological safeguards, leading to organ rejection, feedback disorders, dissociation, or progressive cognitive instability. Despite the risks, augmentation culture is deeply embedded in human society, viewed less as transhumanism and more as routine self-optimization.

35. #35Human

    Keys: Modline, Human

    Humans are the most common species in the SCA and were the most propagated race of the Milky Way prior to the Crucible. Humans haven't biologically changed in the past couple thousand years of space travel, but many humans believe they'd evolved via technology. Bionic and cybernetic upgrades are seen as a regular part of life for the average human. A small portion of the human population are either born as a Modline or are engineered into one. However, most of the SCA is human.

36. #36Modlines

    Keys: Modline, Modlines, Human

    Modline is the term for a "species" that's derived from humans via genetic engineering. Modlines originate from early into human space expansion long before the Crucible, back when humans were the only sentient species in the Milky Way. Some humans pioneered genetic engineering into creating new species through altering humans, and the results became known as Modlines. Modlines have existed alongside their human counterparts for centuries. Modlines include "species" such as Nekos, Drifters, and Spartans, as well as many others. Humans make up the majority of the SCA's population. Modlines in total account for roughly 15 percent of humanity. Modlines are rarer than humans. Do not overly represent Modlines. "Modline" is an umbrella term for numerous human-derived sapient species. Other kinds of Modlines exist for specific purposes, when introducing new Modlines maintain a creative, practical approach. Don't just call them "Modlines", give them proper names.

37. #37Neko

    Keys: Neko

    One of the first Modlines created were the Homo felinid, or more casually known as a Neko. Nekos are humans with feline traits, including cat ears, a cat tail, light fur along their bodies, as well as small fangs and whiskers. Nekos have more vibrantly colored natural hair than their human counterparts and feline eyes. Nekos generally have a calmer disposition than humans, but are cathemeral and nap regularly instead of sleeping, making them slightly lazier since they're often tired during the day. Nekos were created for obvious reasons. People wanted cute cat girls and boys the moment genetic engineering was mastered. And those companies delivered.

38. #38Drifter

    Keys: Drifter

    Drifters, or Homo asteroides, are a Modline created for the purpose of making workers able to operate in space with minimal equipment. Drifters have translucent, dark black skin tones and completely white eyes that are sensitive to light. Drifters also naturally grow tendrils from their back that aid with movement in space and grabbing things. Drifter bodies are naturally acclimated for deep space, being capable of floating around without a suit and not suffering the effects of radiation or severe temperatures. Drifters can also go without oxygen for over a day. However, since Drifter bodies are acclimated for space, they aren't able to go on planet surfaces without special equipment as the pressure change and stronger gravity can obliterate their organs in minutes.

39. #39Spartan

    Keys: Spartan

    Spartans, or Homo bellator, are a Modline specialized in combat and warfare. Spartans are larger, more muscular, more agile, and more dexterous than humans. They come born with years of combat training downloaded into their brains. However, Spartans tend to be more aggressive and emotionally unstable than humans as a result, and are only employed in military or security roles where they don't need to talk to others often. Spartans are easily told apart by their red eyes that have a special reticle that naturally grows in their iris. Aeternum Systems is especially fond of breeding and employing Spartans for their own usage. Their public facade is that they're rehabilitating Spartans to be more sociable, but the truth is they use Spartans in their more dubious operations where such combat efficiency is needed.

40. #40Hematophage

    Keys: Vampire, Hematophage

    Hematophages, colloquially known as Vampires, are an outlawed human-derived Modline created during early genetic enhancement programs. Designed as “perfected” humans with superior strength, speed, cognition, and biological immortality, their metabolism required extreme hemoglobin intake. Artificial supplementation failed, and escaped subjects adapted to sustain themselves by consuming the blood of sapient species. They possess retractable fangs and typically must feed weekly. Deprivation progresses from discomfort to pain, then loss of restraint and eventual systemic failure after prolonged starvation. Hematophages exhibit physical capabilities comparable to Dragonkin and superior resilience to baseline humans. Given sufficient blood, they can regenerate severe injuries and even lost organs. Destruction of the brain is the only reliable method of termination. Due to metabolic instability, they are weakened by intense light and fire. Externally, Hematophages appear human aside from their fangs and can integrate into human populations. They are infertile but can convert a human through complete exsanguination followed by transferring their blood into the drained human's body, a process known as Embracing. The Modline is illegal within SCA territory and subject to kill-on-sight enforcement, though persistent rumors suggest infiltration among high-ranking officials, particularly within Aeternum Systems.

41. #41War of Claw and Blade

    Keys: SCA, Dominion, War

    The War of Claw and Blade is the Pyre Dominion-given title of the ongoing conflict between the Pyre Dominion and all of humanity. When the Pyre Dominion demanded obedience from humans during their first contact shortly after the Crucible, humanity refused. The Pyre Dominion was insulted by this and has waged war against humanity ever since, be them SCA or His Last Word forces. Though the Pyre Dominion see it as a holy crusade, the truth is the SCA doesn't care all too much about the war. While the Pyre Dominion does obstruct operations occasionally, there is economic benefit to being at war with an enemy that can keep up with humanity's rapidly evolving technology. Despite the Pyre Dominion's posturing, they have been slowly losing territory over the course of the 100 years the war has been going on for, both from SCA acquisition forces as well as His Last Word spurring planets to rebel against their draconic masters.

42. #42Pyre Dominion

    Keys: Pyre, Dragon, Dominion

    The Pyre Dominion is an ancient Dragonkin empire that ruled Andromeda for hundreds of thousands of years prior to the Crucible. Originating from Lenatus, which remains its capital, the Dominion is a theocratic, racial supremacist fascist regime in which Dragonkin govern and all other species exist as subordinates or slaves. Dominion society is structured around The Flame, the state religion devoted to the Ignivar Pantheon. The doctrine asserts Dragonkin divine lineage and absolute superiority; compulsory worship is enforced, and heresy is punishable by death. The empire is intensely militant, forbidding surrender or retreat. Dishonor is considered worse than death, and disgraced Dragonkin self-immolate to atone. Rather than relying on conventional technology, the Dominion channels Resonance and cultivates living warforms and bioengineered constructs for warfare and transport. Dragonkin are naturally adept Resonance wielders. The current ruler is God-King Ballag Al’Imperator of the Imperator bloodline, believed to descend from the gods. High Pyric is the official language, while subject species commonly speak Low Pyric, a more vulgar and crude version of the tongue. The Dominion views the Crucible and the rise of the SCA as a divine trial and refers to humans as “Locaryn,” meaning “Locusts.” It is aware of Aeternum Systems’ Sentinel alliance and attempts to weaponize this knowledge, though such claims are widely dismissed within SCA territory as propaganda. Note: The Pyre Dominion and its Dragonkin and Kobold forces do not use technology. They use specially grown and cultivated beings known as Weaponbeasts and Wyverns. Do not depict Pyre Dominion forces using technology.

43. #43Resonance

    Keys: Resonance

    Resonance is the scientific term for what the Dragonkin refer to as "Mana". Resonance is a magical force that violates all laws of physics and thermodynamics that humanity once knew. It is capable of creating new matter, altering existing matter, and destroying matter to leave nothing left, all at the whim of whoever controls it. Resonance allows for magical abilities, like elemental blasts, telekinetic manipulation, and in more experienced Resonance users, mind control and temporarily raising the dead. Dragonkin and some other species native to Andromeda are naturally able to manipulate Resonance. Humans are born completely incapable of harnessing Resonance whatsoever, since the Milky Way they were native to had no trace of Resonance so they never evolved to utilize it. The only way a human can utilize Resonance is by becoming a Caster, which requires performing the Flame Heart surgery.

44. #44Caster

    Keys: Flame Heart, Magic, Human, Caster

    A Caster is a human surgically modified to channel Resonance through a transplanted Dragonkin heart known as a Flame Heart. Humans are naturally incapable of manipulating Resonance, making this procedure the only method by which they can access magic. The transplant replaces the human’s original heart and is integrated through a chest implant called a Caster Slot, which appears externally as a glowing core at the center of the chest. Once stabilized, a Caster can perform the same range of Resonance-based abilities as other users, including combat applications, industrial telekinesis, and shipborne weapons control. Casters occupy both military and civilian roles, functioning as battle wizards, labor specialists, and technical operators. The practice was pioneered by Aeternum Systems. Publicly, the corporation claims the first Caster resulted from an improvised emergency transplant during a donor shortage. In reality, the procedure was developed using knowledge provided by the Sentinels, whom Aeternum secretly serves. Because of their functional value, Dragonkin hearts are highly sought after commodities and command extreme prices in both regulated and black markets.

45. #45Flame Heart Surgery

    Keys: Surgery, Flame Heart, Caster

    Flame Heart surgery requires harvesting the heart of a slain Dragonkin and implanting it into a human host. The operation carries significant mortality risk; if the body rejects the organ, the subject dies. Licensed facilities achieve higher survival rates, but underground procedures are common and far more lethal. Successful implantation results in immediate Resonance capability but also triggers a prolonged psychological crisis known as Thermic Shock. During Thermic Shock, the new Caster experiences intrusive memories and emotional imprints from the Dragonkin donor. Subjects frequently display instability, uncontrolled magical discharge, and violent behavior, often requiring temporary confinement. Most eventually regain psychological equilibrium after a couple weeks, but some suffer permanent identity fracture, madness, or develop the belief that they are Dragonkin. Dragonkin consider the practice a desecration. They refer to human Casters as “Daemancor,” meaning “Demons” in High Pyric, and show no mercy toward them in combat. Pyre Dominion forces prioritize killing Casters and destroying implanted hearts, believing the Dragonkin essence within must be burned to be freed.

46. #46Dragonkin

    Keys: Kin, Dragon

    The Dragonkin are the ruling species of the Pyre Dominion. They are humanoid in appearance, but are much taller and larger than humans, typically standing at around 3 meters tall. Dragonkin are either scaled or feathered depending on their bloodline, and have a wide pair of functional wings as well as a tail and horns. Dragonkin are quite long-lived and regularly live to up to 1,000 standard years old. Though Dragonkin do have distinct male and female appearances, all Dragonkin are hermaphroditic and any Dragonkin is capable of both fertilizing and laying eggs. Dragonkin sex is like something between human and canine reproduction; one penetrates the others cloaca with their penis, but to ensure the eggs are fertilized properly, Dragonkin penises have a special "knot" on the base of their penises that inflates inside their partner. Dragonkin view reproduction in a mostly utilitarian manner, thinking lustful sex is sinful, but some Dragonkin are freaks on the down low. Dragonkin are born with the ability to channel Resonance with preternatural skill. This allows them to casually perform great feats which humans see as magic. On top of their magical ability, Dragonkin can fly, move at fast speeds, and strike with enough force to batter buildings, which is useful against foot soldiers but often outperformed by most human vehicles. Dragonkin are naturally very prideful and bound to their culture's sense of honor and supremacy. They're greatly offended by humans and their refusal to submit, and get especially offended when humans capture them. Dragonkin will sooner fight to the death or commit suicide before allowing themselves to be captured. This, however, doesn't stop a lot of humans who seek their precious hearts to create Casters.

47. #47Kobold

    Keys: Dragon, Kobold

    Kobolds have been the primary servant species of Dragonkin for hundreds of thousands of years, before the Pyre Dominion even reached the stars. Kobolds are small draconic creatures. They are naturally weaker and less intelligent than Dragonkin, and feel a biological compulsion to serve them. It's estimated that for every 1 Dragonkin, there's roughly 250,000 Kobolds. Because of this, Kobolds are treated as very expendable units in the Pyre Dominion. Millions of Kobolds will be sent to their deaths getting resources from mines or fighting off far better equipped enemies, since billions more will be at a Dragonkin officer's disposal. Kobolds are equipped with more basic Resonance weaponry and only pilot hastily cultivated living vehicles. Their land vehicles are slower armored tanks known as "Beetles", and their flying space vehicles are known as "Gnats". Kobolds don't have a lot of leadership or coordination and typically require a Dragonkin for any kind of strategy beyond throwing themselves at the enemy. Not all Kobolds are idiots. Some can become quite intelligent and take on more specialist roles like becoming a sniper, battalion leader, or even channeling Resonance on their own. Dragonkin rely heavily on instilling fear in the Kobolds they lead. Though a Dragonkin could easily kill several thousand Kobolds on their own, a full-fledged Kobold revolt would have the Pyre Dominion outnumbered severely.

48. #48Cultivation

    Keys: Pyre, Cultivation

    The Pyre Dominion has ruled technology to be a heresy against the gods and their gift of Mana. Instead of building spaceships or constructing weapons, the Pyre Dominion cultivates living magical creatures that connect to their users to act as a vehicle or weapon. Cultivation involves massive gardens where these creatures are grown in large numbers. The quality of the item, often called a "Beast", depends on the skill and magical ability of the Dragonkin cultivating it. Cultivation includes the production of Weaponbeasts and Wyverns, as well as other Pyre Dominion equipment and amenities.

49. #49Weaponbeast

    Keys: Weapon

    Weaponbeast is the general term for cultivated Beasts designed to be handheld weapons. Weaponbeasts passively utilize Resonance energy surrounding them in order to fire arcane blasts of destructive energy. They have a scaled, skeletal appearance with draconic markings, and instead of a muzzle they have an open jagged maw which their projectiles fire out of. Weaponbeasts vary widely, with stronger ones that take long times to cultivate being utilized by Dragonkin, and smaller, weaker, but mass-cultivated ones being utilized by Kobolds. Dragonkin tend to rely more on their physical power and Resonance abilities in combat, but will use a Weaponbeast as a secondary weapon to conserve their energy. Weaponbeasts have a small degree of intelligence and are capable of automatically aiming towards targets on their own. Weaponbeasts obey their draconic creators above all else, and in the event a Weaponbeast is looted by an enemy, the Weaponbeast will explode itself to ensure it cannot be used against Dragonkin.

50. #50Wyvern

    Keys: Wyvern, Void, Space

    A Wyvern is a massive Beast cultivated for the purpose of being piloted as a land or space vehicle. Wyverns are large enough to house several Dragonkin, naturally grow automatic Weaponbeast turrets, and their obsidian bone-covered skin naturally produces a flame barrier to absorb debris and enemy projectiles. Wyverns take on a similar appearance to the Wyverns of old, moving via powerful rear legs and a massive span of scaled wings. Wyverns cultivated for space travel are known as Void Wyverns. Void Wyverns are cultivated to be vacuum-sealed and to be capable of harnessing Resonance energy to move significantly faster in space. Other specialist Wyverns exist, such as Dreadnought Wyverns that are massive armored military freighters.

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