"They signify our initial stride into ascended existence. Forged from mortal men and women, they have evolved into our intrepid warriors, both our vanguard and rearguard in the fight for humanity."

— Sparius Fara, the progenitor of the first transhuman soldiers. M22. 182

— Overview —

The Solar Guardians, conceived as transhuman soldiers, trace their origins back to the early days of the Federation in M22. They hold the rank of 4th among the Five Transhuman Hierarchy.

Upon reaching 45 years of age, Imperial Citizens serve in the military for a designated period, receiving transhuman augmentations, before reintegrating into society.

Endowed with remarkable longevity, they process information in mere seconds, and, most importantly, they surpass ordinary mortals in power.

— Overview —

The Solar Guardians, a product of transhuman engineering, trace their genesis back to the early days of the Federation in M22. They hold the 4th tier in the Five Transhuman Hierarchy.

Upon reaching 45 years of age, Imperial Citizens serve a designated military term, undergoing transhuman augmentation, before reintegrating into civilian life.

Endowed with extraordinary longevity, they process information in mere seconds, and, most crucially, they outmatch ordinary mortals in power.

Since their founding, they have undergone numerous upgrades, featuring advanced genetic templates engineered by Luna.

{Implants/Enhancements}

1) Echarius Heart: Deeply implanted within the Solar Guardian's chest lies the Echarius Heart, a remarkable twin-heart configuration with psychic-bionic attributes. It realizes humanity's age-old aspiration for extended lifespans and even hints at the tantalizing prospect of resurrection. This augmentation establishes psychic conduits that not only prolong their existence but also grant faint echoes of rebirth.

2) WAR-CASTER: A sophisticated amalgamation of augmentations directly interfacing with the brain, the WAR-CASTER is an intricate marvel. Its components seamlessly replace certain cerebral portions with enriched bionic counterparts. The culmination of this fusion, coupled with the marvel of bio-enchantment, transmutes the Solar Guardian's brain into a Quasi-Matrix. This dynamic metamorphosis empowers them to flawlessly operate their entire array of suits and bionic augmentations, thereby circumventing the risk of mental instability.

3) Third Lungs: A diminutive yet pivotal organ, the Third Lungs are ingeniously engineered to provide supplemental oxygen, acting as a life-sustaining backup. Moreover, in cases of primary lung compromise, these marvels can seamlessly transition into full replacements. Notably, they also perform the role of vigilant gatekeepers, filtering out pernicious substances that could jeopardize a Solar Guardian's well-being.

4) The Undying: Nestled within the Guardian's physique is the innovative marvel known as The Undying. A network of bionic muscles strategically integrated into their form, this augmentation augments their natural attributes of endurance and sheer strength. Remarkably, it also exhibits an uncanny regenerative ability, capable of outpacing the swiftest recovery times of conventional muscle tissue.

5) The Devour: Among the most extraordinary augmentations, The Devour epitomizes the mastery of transhuman engineering. Representing a complete overhaul or refinement of the digestive system, it bequeaths Solar Guardians the remarkable ability to metabolize an astonishing spectrum of physical materials spanning the cosmic expanse.

6) The Omnicopiea: A symbiotic companion to The Devour, The Omnicopiea is closely intertwined with this remarkable enhancement. It functions as a selective extractor, sifting through ingested substances to identify components compatible with the Guardian's enchanted DNA. Once identified, these harmonious elements are assimilated into the Solar Guardian's physiology, further fine-tuning their already remarkable capabilities.

7) Tiarium: Recognizing the indispensable synergy between muscular fortitude and skeletal strength, the Tiarium emerges as a pivotal augmentation. Infused with the prowess of reactive Omniphages, this skeletal-muscle enchantment is nothing short of a biomechanical masterpiece. Intricately connected to the Guardian's Omnicopiea, it forges a union with compatible metallic substances, essentially bestowing the Solar Guardian with an adaptable armored frame.

8) Riolin Ears: Anticipating the cacophony of warfare's theatre, the Riolin Ears enchantment emerges as a testament to careful design. Engineered to protect the Solar Guardians' auditory faculties from the din of battle, this augmentation artfully transforms deafening sounds into tolerable acoustics. Moreover, it transforms diverse noise frequencies into a symphony detectable not only by the Guardian but also by their ever-attuned WAR-CASTER.

9) Cyclops: A testament to the significance of optical prowess, the Cyclops enhancement emerges to illuminate the Solar Guardian's path through the abyss of conflict. Augmenting their ocular abilities to near-perfect proportions even in the darkest hours, this enhancement also elevates their sensitivity to mirror the Guardian's impeccable reflexes.

10) The Glarion: The Guardian's physical transformation extends to the very core of their being, as The Glarion ushers in an era of bionic spine integration. Replacing the organic structure, it forms a direct link to the nervous system, transmitting signals at velocities exceeding mortal comprehension. This neural expressway empowers the Solar Guardian with reflexes that defy the boundaries of ordinary perception.

11) The Purifier: Hailing from an era of ancient xenos weaponry, The Purifier stands as a mechanical marvel, a sentinel safeguarding the Solar Guardian's genetic purity. Nestled within their lower chest, this minuscule but potent organ meticulously purifies dangerous substances coursing through their being. In this relentless vigil, it preserves the sanctity of their DNA and genetic template, facilitating regenerations that mirror their prime.

12) Aushterius Brane: As humanity inexorably evolves toward psychic ascendancy, the Aushterius Brane emerges as a prudent response. An enigmatic organic organ intricately linked to the WAR-CASTER, Glarion, and Echarius Heart, it bears the potential to temporarily catalyze the Solar Guardian's emergence as a pseudo-psyker. A measure of caution is embedded, with a temporal restraint in place to avert the peril of being consumed by their own burgeoning power.

13) Ebon Carapace: The culmination of ingenuity and technology is epitomized by the Ebon Carapace. Gradually expanding to enshroud the Guardian's chest and ultimately encompassing their entire nervous system, this implant is a conduit of control. It serves as the means through which the Solar Guardian commands every piece of equipment, unleashing their full potential on the battlefield.

14) The Valexus: In the direst of circumstances, The Valexus emerges as the final safeguard. Residing deep within the Guardian's corporeal confines, this organ activates when confronted by wounds that portend certain demise. Triggering a state of suspended animation, it marshals the full extent of the Solar Guardian's regenerative powers, striving to revive them from the brink of oblivion.

15) Vagras Calexis: Entwined with the Guardian's DNA and psychic resonance, the Vagras Calexis organ is an essential defense against the encroachment of Empyrean corruption. It awakens when this perilous influence is detected within the Guardian's being, engaging in a valiant counteraction. In this battle against the Chaos-cursed, the Solar Guardian gains a measure of resistance, a beacon of light against the abyss.

16) The Prothean: In proximity to The Devour, The Prothean comes into play, manifesting as a dynamic bionic organ. This extraordinary creation generates a profusion of bionic Omniphages, instrumental in the Guardian's healing capacities. When wounds mar their form, these Omniphages seal the breach with remarkable celerity, demonstrating a capability to regrow lost limbs within their sphere of influence.

17) Astarte Shield (Female only): Among the augmentation pantheon, the Astarte Shield finds its place solely within the realm of female Guardians. A shield tailored to safeguard their reproductive essence, it stands as a bulwark against perilous substances. As a poignant testimony to progress, it also imparts the female Guardians with control over their menstrual cycles, a function bolstered by the advent of the Coordinator gene modification, which in turn extends female reproductive age to a centenary span.

— Additional Enhancements —

An embrace of transhuman ascension bestows all Imperial Citizens with foundational enhancements. However, for those who opt to dedicate their lives to military service, an extra layer of enhancement awaits at the cessation of their service tenure.

1) FERRUS-BELLUM: Enshrined within the heart of

the WAR-CASTER, the FERRUS-BELLUM implant engenders a profound symbiosis between Solar Guardian and Ferrous Mind. This unparalleled synchronization catapults the Guardian beyond the boundaries of their designed template, ushering them into an echelon of superhuman might. Their implants burgeon with cosmic potency, forging an entity of annihilation. This amalgam of offense, defense, and regeneration coalesces into the epitome of martial perfection.

2) Glaxial Battery: A marvel residing beyond the realm of conventional implants, the Glaxial Battery defies categorization. Its life-giving core, akin to a small golf ball, dispenses added vitality to the Solar Guardian, accentuating both implants and psychic prowess. Replenished through communion with the Echarius Heart, this energy infusion grants a wellspring of untapped potential.

— Standard Equipment —

•) Mark VII Allarus Nanosuit.

The pinnacle of transhuman technology, the Mark VII Allarus Nanosuit stands as a testament to human innovation and mastery over nanotechnology. Comprising trillions of Omniphages, this armor is the quintessential protection offered to Solar Guardians. When at rest, the suit elegantly morphs into a compact cube linked through the psychic resonance of its bearer.

Boasting an arsenal of features meticulously honed for combat excellence, the suit extends the Solar Guardian's potential to unprecedented heights.

1) Grav-Alivator: Nestled within the chest area of the armor, the Grav-Alivator unfurls a realm of aerial prowess. Its activation envelops the wearer in an anti-gravitational embrace, propelling them in flight at velocities of 2,100 km/hour. From this vantage, they can unleash the potent force of gravity in a formidable drop attack.

2) Symbiote Muscle: Amidst a sea of enchantments and implants, the Symbiote Muscle enhancement emerges as a testament to unyielding augmentation. Elevating power and speed to unprecedented altitudes, it magnifies the Guardian's potential, an embodiment of the evolution intrinsic to their transhuman journey.

3) Ion Shield: The Ion Shield epitomizes layered protection, casting two shields in its aegis. One envelops the Guardian's armor entirely, while the other emanates as a barrier enshrouding the user. Akin to the notion of Void Shields, albeit on a reduced scale, this dual-layered defense safeguards with the efficacious combination of strength and resource conservation.

4) Reflective Shield: Harnessing both the tangible and ethereal, the Reflective Shield transforms the Guardian into an elusive enigma. Mastering both Materium and Immaterium, it artfully manipulates reality itself, conjuring illusions that shroud the Guardian in invisibility, granting them a fleeting moment of intangibility.

5) Rear-Warp: Emanating from the depths of ingenuity, the Rear-Warp augmentation transcends traditional cloaking devices. It reshapes the fabric of perception, enabling direct operation within enemy domains. By manipulating the perception of reality, this augmentation facilitates covert engagement and direct influence in hostile territory.

6) Life-support System: As a fortification against the frailties of existence, the Life-support System steps in when the Prothean falters. Acknowledging the Solar Guardian's inseparable bond with their armor, this system prolongs their vitality. Its abundance of bionic Omnihages, supplemented by a fragment of the medical STC, prolongs endurance in the face of adversity.

7) Adamas Matrix: Deep within the core of the suit resides the Adamas Matrix, an intellectual titan in its own right. In the absence of Ferrous Mind intervention, this supercomputer assumes the mantle of hacking the Noosphere, processing torrents of information at a velocity unmatched by mundane computations. Harmonizing seamlessly with the WAR-CASTER, it facilitates the seamless transfer of data to the Solar Guardian.

8) Particle Storage: As the Omniphage evolution burgeons, the Particle Storage module manifests as a technological marvel. Operating as a disassembly-reassembly nanomachine, it affords the Solar Guardian the ability to dismantle complex machinery for storage, only to reconstruct it on demand. This innovation augments their capacity to carry an arsenal of weapons, a vital edge in the heat of conflict.

9) Omnix String: Forging a tangible bond between the Solar Guardian and their war engines, the Omnix String emerges as an interconnecting bridge. Linked to both the WAR-CASTER and Ebon Carapace, it fuses machine and entity, making the former an extension of the latter's being, an embodiment of unity on the battlefield.

— Allarus Nanosuit Specialized Standard Pattern —

1) Novex-Pattern: Carved for the role of the Demolisher, the Novex-Pattern Allarus resonates with might. Laden with additional heft and resilience, this iteration stands poised to endure and wield heavy weaponry with unyielding tenacity.

2) Mitius-Pattern: Channeling the essence of stealth, the Mitius-Pattern diverges from its kin. Here, the focus forsakes sheer destructive power and defense in favor of becoming an elusive specter on the battlefield, a harbinger of surprise strikes.

3) Quelos-Pattern: The epitome of might, the Quelos-Pattern occupies the zenith of the Allarus Nanosuit lineage. Weighing heavy and imposing, it straddles the juncture between traditional Nanosuit and the formidable War-Skeleton. Replacing the Ion Shield with the ethereal embrace of the Void Shield, this iteration further furnishes the Guardian with infantry siege weapons, a symbol of implacable strength.

4) Cratus-Pattern: Emanating resonance with the psyker's potential, the Cratus-Pattern emerges as a conduit of psychic might. Its every facet is exquisitely attuned to the psyker's essence, an amplifier of unfathomable power, simultaneously serving as an impenetrable shield against psychic perils

*(AN: Within this alternate reality, Solar Guardians equate to the formidable Imperial Guard in the canonical setting. Their extraordinary prowess is an homage to the almost inconceivable power of humans during the Dark Age of Technology. Here, the Imperium has achieved the unfathomable – triumphing over an Aeldari Dominion immensely more potent than its canonical counterpart.)*