So, with that height headcanon out of the way, I tend to view Bianca as around 4'8" during the Rhadore campaign. I think setting her(12) at 4'8" and him(14) at 5'2" feels almost normal for two kids. He isn't too much taller than her here. Not really back yet to fully posting yet. Still taking things one day at a time.
In standard human biology, girls enter and complete their growth spurts significantly earlier than boys. A typical human girl reaches approximately 93% to 95% of her adult height by age 12, with skeletal growth slowing drastically after the onset of menarche and concluding around ages 14 to 15. Boys, conversely, experience a delayed onset, typically beginning their primary growth acceleration between ages 12 and 15, and continuing until age 18 to 21.
Bianca’s Growth Trajectory
Because Bianca’s human vessel follows standard female physiological milestones, her growth curve is front-loaded:
Age 12: 4'8" (142 cm) — She has reached roughly 93.3% of her final height. She is petite, but structurally proportional for a pre-adolescent girl.
Age 14: 4'11" (150 cm) — Her skeletal growth slows down significantly as her human plates begin to fuse.
Age 18 to 23: 5'0" (152 cm) — Her final adult height. Her growth halts entirely, leaving her exceptionally compact compared to the standard military baseline of the SOLDIER program. Just imagine a 5 foot SOLDIER. It is hilarious.
Sephiroth’s Growth Trajectory
Sephiroth’s development is radically altered by the presence of localized Jenova cells, which dictate a prolonged, highly aggressive masculine growth phase that far outstrips normal human limitations:
Age 14: 5'2" (157 cm) — He is slender, slight, and only moderately taller than Bianca. His frame is still narrow, lacking the massive shoulder width he develops later.
Age 16 (The Post-Rhadore Surge): 5'10" (178 cm) — His secondary growth spurt triggers an intense elongation of the femur and spinal column.
Age 20: 6'4" (193 cm) — with a towering presence, though his frame continues to pack on dense muscular mass.
Adult (Remake/Vanguard Era): 6'7" (200 cm) — His final height, creating a permanent 19-inch (48 cm) height differential between himself and Bianca.
Possible Trigger Warnings: Body horror, chronic pain, medical trauma, physical abuse, self-harm (implied/medical context)
Because of their profound soul-bond and shared childhood trauma, Sephiroth’s massive physical frame never acts as an imposing or intimidating force against Bianca. Instead, his 6'7" stature functions as a highly specialized, tactical shield designed to accommodate her permanent physical vulnerabilities.
Because Bianca's humerus bones were permanently shattered by Hojo at age four, her massive 9.92-foot wingspan consists of heavy, non-retractable, ornamental plumage supported by internal structural wires. She cannot fold them flat or pull them tightly against her spine to minimize her profile. In combat and public settings, Sephiroth (and Angeal and Genesis to a degree) uses his broad, V-shaped shoulder span and tall frame to position his body directly between incoming threats and Bianca’s left and right flanks. When standing directly in front of or slightly offset from her, his 6'7" frame creates a literal "blind spot" or physical shadow that naturally covers the widest arc of her exposed wings.
In the high-density upper plates of Midgar or crowded Shinra military complexes, Sephiroth deliberately walks half a step ahead or positions an arm slightly behind her waist. This physical barrier ensures that passing infantrymen, corporate handlers, or moving equipment cannot accidentally jostle, strike, or aggravate the highly sensitive, arthritic skeletal structure of her permanently manifested wings.
More Preening stuff.
The extreme height differential directly shapes the daily maintenance protocol required to manage Bianca's advanced, localized arthritis and armored S-cell pinfeathers.
During the grueling preening routine, Bianca is entirely unable to rotate or lift her deformed wings. Because Sephiroth towers over her at 6'7", he has optimal mechanical leverage when she is seated. He can stand completely upright behind her, utilizing his height to look down over the entire expanse of her 9.92-foot wingspan. This allows him to meticulously locate, unzip, and debride the rock-hard keratin sheaths near the top structural joints of her wings without forcing her to bend forward or alter her posture, minimizing her muscular spasms.
When Bianca suffers severe somatic pain spikes due to weather transitions or Mako density variations, she rests her head directly against the center of Sephiroth's chest. Because her 5'0" height places her temples and forehead perfectly level with his sternum and heart, their proximity maximizes the sensory transfer of the Red Thread of Fate. Sephiroth can wrap his arms entirely around her small frame, completely enveloping her to dull the somatic pain signaling through their bond while keeping his hands free to monitor for developing blood feathers along her lower plumage.
Battlefield Coordination Stuff
In active combat zones, the contrast between the Stoic (Sephiroth) and the Firebird (Firebird) creates an incredibly lethal, highly synchronized vanguard dynamic rather than a standard bodyguard layout.
Bianca’s compact 5'0", 105-pound human frame allows her to maintain an exceptionally low center of gravity. This makes her highly agile, allowing her to dart beneath the sweeping arcs of larger weapons, utilizing her demonic tachi Noctemaris for rapid, close-quarters spatial and temporal reality-bending strikes.
When an incoming heavy blast or area-of-effect spell targets her location, Sephiroth utilizes his massive reach and long leg stride to instantly close the distance. He steps directly over her lower defensive posture, dropping his center of mass to form an immovable physical anchor. By locking his broad frame over her, he provides a massive, high-armor barrier that completely breaks the line of sight for ranged attackers, allowing Bianca to safely cast her corrupted ice magic or converse with the Lifestream spirits from the safety of the pocket created beneath his long arms.
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Bianca keeps multiple star journals for the same dates, each reflecting a different interpretation of the same sky. None marked as “correct.”
She learned early not to announce failed divinations. Instead, she phrases them as ranges, probabilities, or weather-like conditions. It unsettles orthodox Astrologians far more.
When exhausted, her constellation-patterned eyes become more visible: not brighter, just harder to ignore, like ink bleeding through paper.
She prefers traveling just behind caravans, close enough to benefit from safety, far enough to remain unrecorded.
Bianca never asks Vincent about his past. Not out of politeness, but out of respect for the fact that some truths stabilize only when unspoken.
She trusts maps more than prophecy, because maps admit when they are incomplete.
Her astrolabe, False Meridian, has been disassembled and rebuilt so many times that no Sharlayan examiner would agree on whether it’s still “standard.”
Bianca drinks her tea slowly even when she’s freezing, as if rushing warmth might break her.
She is unusually good with children, not because she predicts outcomes, but because she responds to who they are now, not who they might become.
Crowded rituals make her physically nauseous: not spiritually, but aetherically. Too many imposed meanings in one place.
She sleeps lightly and wakes before dawn, often already holding her astrolabe like she never put it down.
Bianca believes hesitation is not cowardice, but she quietly fears she uses that belief as a shield.
She has a habit of correcting star charts even when she knows the correction won’t last.
Animals don’t react to her strangely. Instead, they behave as if she’s slightly late.
She hums while recalibrating instruments, always the same unfinished melody, never noticing she does it.
Bianca avoids mirrors not because of vanity, but because reflections feel delayed.
She keeps her wings suppressed not out of shame, but because revealing them would invite questions she cannot answer honestly.
Her migraines aren’t painful so much as disorienting, like standing between overlapping skies.
Bianca is deeply uncomfortable being thanked for “changing someone’s fate.” She prefers “you helped.”
She has written letters to her deceased mother that she never sent. She catalogs celestial events rather than emotions.
When divinations contradict each other, she records all outcomes instead of discarding any. No future is treated as disposable.
Vincent is one of the few people she will interrupt mid-sentence if she senses emotional harm approaching. She doesn’t predict it; she recognizes it.
She considers autonomy a form of mercy, and is quietly furious at systems that mistake control for care.
Bianca’s humor is bone-dry.
She believes meaning exists even without witnesses, which is why her disappearance would not be a tragedy to her.
The Red Ribbon of Fate does not feel romantic to her at all. She sees herself as a shard of someone bigger when Sephiroth comes for her.
She understands Sephiroth’s arrival instantly: not with fear, but with the calm of someone who has always known her shelf life.
Bianca does not resist retrieval because resistance would imply she was ever meant to stay.
When she fades in Vincent’s arms, the stars do not react. That silence matters more than spectacle.
If remembered at all, Bianca would want to be recalled not as a prophecy, but as someone who stood beside others without claiming their future.
@prehistoric-creatures. As per your question about Project N:
Possible Trigger Warnings: Abduction, abuse of power, body horror, chemical experimentation, dehumanization, dismemberment (implied), forced experimentation, forced medical procedures, government/military abuse, historical war crimes (referenced), identity erasure, invasive procedures, medical trauma, mental manipulation, psychological torture, religious trauma (angel/demon dynamics), sadism, scientific experimentation on living subjects, spiritual trauma, torture, and war crimes.
Bianca’s time in Project N definitely pulls some influence from Final Fantasy VII (since that is the fandom she is created for during this period of her arc).
But honestly? The real inspiration behind what she went through is way darker and comes from real history. I based a lot of it on Unit 731, a horrifying research unit from World War II where Japanese scientists did brutal human experiments in the name of science. That was the tone I wanted for Shinra’s treatment of Bianca: not just magical girl gets poked and prodded, but full-on dehumanization. She wasn’t seen as a person to them. Just this half-divine, half-demonic lab rat they could break down and turn into a weapon and /or create Sephiroth 2.0. I wanted that horror to hit hard, like it wasn’t just fantasy trauma. It had echoes of things that have actually happened.
I used the themes of that real-world cruelty as the emotional backbone of her FFVII backstory. Everything she went through in Project N: regeneration testing, mental reprogramming, trying to chemically split her angel and demon sides? That’s all meant to reflect how far people will go in the name of control and power.
I didn’t want her story to be just tragic girl suffers. I wanted her to feel like someone who was shaped by these atrocities, like her pain is real and resonates. So when she finally snaps, aligns with Sephiroth, and starts walking down this darker path, it’s not a twist. It’s what happens when you’ve survived hell and come back with a purpose.
A Prayer Unanswered and An Aspiring God Undone: Bianca’s Current Conflict in Fantasy Worlds Collide
In the Blood & Stardust fic, Bianca Moore stands at a precipice: one defined not by the clash of swords but by the agonizing uncertainty of the heart. At this point in the narrative, as the story shifts into the early moments of the FFVII arc, Bianca finds herself in a world ravaged by corruption, where the line between love and danger is not just blurred. It’s dissolving.
This article delves into Bianca’s current internal conflict: the impossible tension between wanting to save Sephiroth and fearing she may need to stop him. For readers who appreciate complex female characters, cosmic stakes, and the emotional weight of loyalty turned weapon, this exploration offers a deeper look into a woman walking a razor’s edge that tilts between devotion and destruction.
Possible Trigger Warnings: Abuse, body horror, emotional manipulation, existential dread, identity crisis, medical experimentation, psychological trauma, self-doubt, violence
Bianca’s current conflict lies in the mounting tension between her desire to save Sephiroth and the haunting truth that she might have to stop him. At this early stage in the FFVII arc, she has emerged from the Ethereal Nexus — a liminal space between worlds (between Earth and Gaia) — and into the shadows of a planet already strangled by Shinra's control. Disoriented but instinctively driven, Bianca is thrown headfirst into an emotional and metaphysical maelstrom. She meets Sephiroth in the bowels of the Nibelheim mansion: not the silver-haired god of infamy, but the man beneath. This is the Sephiroth who is still unsure, still aching, and still teetering on the edge. Their connection is immediate and primal, but not even this connection is enough to soothe the dissonance within her soul.
Internally, Bianca’s greatest challenge is herself. She carries a dual nature — part celestial and part demonic who once believed that she was a human being — that mirrors Sephiroth’s own hybrid torment. Her light flickers, sometimes violently, in the presence of his corruption, while the seductive pull of darkness whispers in tandem with his descent. This creates a psychic tug-of-war. Does she try to purify him and risk losing herself, or does she give in to the chaos they both understand so intimately?
Soon, Bianca begins to sense that love might not be the cure. It might be the accelerant. And that terrifies her more than Noctemaris, more than Asmodeus, and more than the glowing mako feline-like eyes staring back at her.
To address this spiraling conflict, Bianca leans into her instinct for connection but cautiously. She doesn't confront Sephiroth with declarations of salvation or ultimatums. Instead, she listens. She shares. She bleeds truth in quiet conversations that press into the vulnerable spaces between trauma and transformation that they both must eventually endure.
During their time in the Hojo's reading room and the Archive, she keeps her powers subdued and her intentions honest, hoping that emotional transparency will build a foundation strong enough to weather whatever storm lies ahead. But even this plan isn’t without cracks. Her powers surge unexpectedly, reacting to Sephiroth’s shifts. Her wings tremble with energy she cannot control. Something ancient in her knows this will not be enough.
Still, Bianca takes subtle yet deliberate steps to prepare for what may come. She starts weaving a mental map of Sephiroth's mental state: when Sephiroth grows cold, when his tone shifts, when his pupils blow out, and when the light in his eyes dims. Bianca knows this isn't just a love story. It’s a countdown. And her steps, though small and silent, are heading toward a battlefield where she may be forced to choose between preservation and obliteration.
Ultimately, Bianca’s current conflict is existential. She is locked in a paradox of devotion: to love someone so completely while suspecting they may be the world’s undoing and ultimately abandoned her to, what she thought at the time, was death with his alien mother.
Her steps are slow, intentional, and grounded in a faith that hasn’t yet curdled into fanaticism. But time is running out. And deep down, Bianca knows the truth. If she can’t pull Sephiroth back from the edge, she may have to face him at the bottom of the abyss. And this time, it won’t be to save him. It’ll be to survive him.
Bianca's traumatic experiences under Hojo's experiments manifest profoundly in her day-to-day behavior, particularly through her hyper-vigilance and need for control. Her exposure to vivisection, psychological torture, and invasive procedures has left her with an intense form of iatrophobia, which is a crippling fear of medical equipment and laboratories. Even the faintest scent of antiseptic or the metallic glint of surgical tools can send her into a panic attack, causing her to either lash out violently or retreat into herself to regain control.
This aversion to anything resembling a lab setting dictates how she navigates the world. She avoids populated areas with medical facilities and prefers to heal herself through her body's natural healing or through Sephiroth's access to cure. She becomes visibly tense if forced into such environments. Her claustrophobia, stemming from prolonged confinement in Hojo’s lab, also influences her choices, making open spaces a necessity for her sense of safety.
This need for control extends to her decision-making and interactions, particularly when it comes to protecting Sephiroth and their shared goals. Bianca's atychiphobia, fear of failure, drives her to plan meticulously, often considering multiple contingencies to ensure that every mission or objective is executed flawlessly. The fear of being captured again, of reliving the helplessness she felt under Hojo's scalpel, propels her to strike first and decisively against any perceived threats.
Her intelligence and strategic mind, traits sharpened by her survival instincts, are used to manipulate situations to her advantage. Bianca's decisions are often guided by a cold pragmatism, as she prioritizes the success of their mission over her well-being, reflecting a deep-seated belief that allowing herself to be vulnerable is a fatal flaw: one that she will never make again. She sees hesitation as a path back to captivity, so she acts swiftly, most often ruthlessly, to maintain control over her fate.
Emotionally, the trauma has made Bianca deeply guarded, even around Sephiroth sometimes. The scar from Hojo's experiments reinforced her fear of vulnerability and dependence, causing her to compartmentalize her pain. Mirrors, which trigger her eisoptrophobia by reflecting the body that was once dissected and exposed, are avoided or destroyed in her living spaces. Their cabin is completely devoid of any mirrors.
This self-imposed isolation manifests in her evening routines at the North Crater, where she meditates alone amidst the icy atmosphere, channeling her pain into dark rituals that amplify her connection to Sephiroth and Jenova. Her focus on power and destruction serves as both a shield and a coping mechanism, allowing her to suppress the lingering terror and reclaim a sense of agency. Bianca's behaviors are all echoes of the horrors she endured, shaping her into a protector for her mate. She believes that she is someone who cannot afford to be vulnerable.
tagging some fellow mutuals: @themaradwrites @acursedduty @megandaisy9 @watermeezer
