Stheno

Class: Assassin Attribute: Sky Height: 134 cm Weight: 30 kg? Origin: Greek Mythology Region: Europe Alignment: Chaotic-Good Gender: Female

Stats: Strength: E Endurance: E Agility: B Mana: EX Luck: EX NP: B

Stheno is the eldest of the three Gorgon sisters, a Divine Spirit born as the perfected image of the ideal woman alongside her younger sister Euryale. Unlike their youngest sister Medusa, Stheno and Euryale were complete goddesses who neither aged nor developed, existing as objects of human adoration rather than warriors. When Athena’s curse drove Medusa into exile on the Shapeless Isle, Stheno willingly followed her despite remaining worshipped by humanity. The sisters lived together while Medusa protected them from the men who came seeking the beautiful goddesses, but Medusa’s increasing violence gradually transformed her into the monster Gorgon.

Stheno and Euryale eventually confronted the fully transformed Gorgon after realizing that the sister who had protected them was disappearing completely. Rather than flee, they remained together and allowed themselves to be consumed, becoming part of the monster Medusa had become. Long afterward, Stheno could manifest as an Assassin-class Servant, retaining her divinity despite being reduced from the full existence of a goddess. During the disturbance in ancient Rome, she appeared on a remote island with Elizabeth Báthory and Tamamo Cat, where Ritsuka Fujimaru’s party encountered her while searching for divine assistance. Rather than join their campaign directly, Stheno tested the visitors through a monster-filled cave and amused herself with their reactions.

When summoned to Chaldea, Stheno once again exists separately from the sisters whose loss defined the end of her original life. She possesses no desire for the Holy Grail, since the one wish she might have chosen would be for all three Gorgon sisters to remain together forever, something she already understands cannot truly restore what was lost. Instead, she treats her second existence as an opportunity to enjoy herself while remaining particularly attentive to the presence of Euryale and the various manifestations of Medusa.

Appearance: Stheno has fair porcelain skin and a petite, slender, softly curvaceous build with narrow shoulders, a small waist, rounded hips, full breasts, and smooth thighs. Her eyes are pale violet beneath long dark lashes, while her extremely long lavender-purple hair is divided into high twin tails that fall far past her waist in thick flowing lengths with curled ends. Shorter layered strands frame her face and sweep across her forehead. A broad white headband circles the crown, decorated with evenly spaced rectangular purple insets and edged by dark lavender ruffles. Small black bows sit near the bases of her twin tails. Her neck is encircled by delicate white lace with a tiny purple band beneath it.

She wears an elaborate white dress constructed from fitted lace, translucent fabric, layered panels, and lavender detailing. The bodice fits closely around her bust with intricate floral lace across the chest, narrow ribbon straps, and a small purple bow beneath the neckline. White shoulder drapes spread outward with dark violet lace trimming their edges, while long translucent sleeves hang loosely from her arms in flowing panels edged with white pointed accents. Gold bands coil around her forearms alongside delicate gold cuffs and fine chain-like jewelry around her fingers. The fitted waist extends into long split skirt panels covered in pale floral patterns, fine silver chains, small jeweled clasps, and pointed decorative sections. Beneath the outer layers, pale stockings and fitted white fabric cover her legs, accented by lavender garter-like bands, delicate chains around the thighs, and darker violet fabric near the lower body. Long ribbon-like strands and narrow purple cords trail from the dress, ending in stylized heart-shaped tips.

Personality: Stheno is elegant, composed, cruelly playful, and extraordinarily self-assured, embodying the refinement expected of a goddess created to represent human ideals of beauty. She enjoys beautiful and adorable things while treating most humans with amused condescension, particularly men who become captivated by her. Rather than openly brutalize those who interest her, Stheno prefers teasing, manipulating, embarrassing, and emotionally tormenting them while maintaining an outwardly graceful demeanor. She can be extremely cold toward anyone she considers unimportant and possesses a stubborn, indolent streak beneath her dignified appearance. Her apparent contempt for humanity is complicated by fascination; humans provide her with entertainment even when she considers them beneath her.

Euryale is Stheno’s younger sister and effectively her other self, with the two sharing such a profound connection that they often treat one another as extensions of the same existence. Medusa is their beloved youngest sister, whom Stheno relentlessly teases and belittles despite loving her deeply enough to follow her into exile and remain beside her through her transformation into Gorgon. The sight of younger versions of Medusa gives Stheno another opportunity to torment her sister affectionately, while Gorgon represents the tragic endpoint of the sister she once knew. Ritsuka Fujimaru becomes Stheno’s Master after her manifestation in Chaldea, earning enough of her interest that she willingly remains contracted despite having no Grail wish of her own. Elizabeth Báthory and Tamamo Cat briefly serve alongside her during her manifestation in ancient Rome, participating in the elaborate trial she prepares for Ritsuka’s group.

Noble Phantasm: Smile of the Stheno Smile of the Stheno has Stheno face her target with a playful smile, lean forward, and frame a heart with her fingers as her divine charm manifests around them. The gesture overwhelms male enemies with her supernatural beauty, charming them and potentially killing them outright from the force of her allure.

Noble Phantasm Quote: "Hehe. Are you ready? Smile of the Stheno."

"I'm sorry if this blinds you. Smile of the Stheno."

"Hey, you. Turn around and look at me. Smile of the Stheno."

Failed Instant Kill Quote:

"How boorish."

Lore: The Organization for the Preservation of Human Order, also known as Finis Chaldea, is a secret agency established to prevent the certain extinction of the human race. Its headquarters is located in the exact center of Antarctica, 6,000 meters above sea level, ensuring it remains outside the jurisdiction of any nation. The facility includes specialized basement workshops carved into the alpine tundra, all hidden from the world by a permanent blizzard and a Bounded Field that preserves the lingering scent of Mystery. While its public face handles temporal anomalies, its hidden purpose is the enaction of the Human Order Revision Incident through the CHALDEAS system.

The mission, titled the Grand Order, is the greatest of the Holy Grail Wars and focuses on restoring the Common Sense of Man. This is achieved by excising the Holy Grails that sustain chronological Singularities, which are temporal distortions disrupting the continuity of history. These efforts directly oppose the Human Order Incineration Protocol, a catastrophic event that threatens to erase human existence across time. Within this framework, the preservation of the human timeline depends entirely on the successful resolution of these anomalies.

Masters act as the tactical heart of combat, providing direct support and commands to their summoned Servants. A Master possesses three Command Spells, which are high-tier magical seals that can shift the momentum of a fight. These seals require 24 hours to recharge once used. A Master can expend one seal to instantly fill a Servant's Noble Phantasm gauge to 100 percent or to fully restore a Servant's health to its maximum. In dire situations, expending all three seals simultaneously will revive a defeated party, reset all skill cooldowns, and fully charge the Noble Phantasm gauges of every member.

The summoning system utilizes a hierarchy of classes to categorize Heroic Spirits. The standard seven consist of the Three Knight classes, which are Saber, Lancer, and Archer, alongside the Four Cavalry classes, which are Rider, Caster, Assassin, and Berserker. Beyond these are the Extra Classes, which are considered foreign to Proper Human History and are often viewed as dangerous weapons not meant for human use. Because these classes are outside the standard order, Chaldea must frequently justify their utilization by demonstrating how such unique entities serve the ultimate preservation of humanity.