Also known as:
The first daughter of the Gorgon Sisters, the older sister of Euryale and Medusa, who were goddesses born from the wishes of mankind for ideal idols, the embodiment of the yearning hearts of men.
While she and Euryale were "perfect goddesses" who would not age, Medusa had some kind of flaw that allowed her to grow. They should have been three united sisters, but this divide allowed them to become three separate individuals. While Medusa was different from the start, her existence also brought irregularities in the two who were still the same. Due to the jealousy of Athena, Medusa was cursed, had the faith of her followers taken away, and was banished to the Shapeless Isle as a monster. She called Stheno and Euralye monsters because they would never grow old, but that was a lie to cover the fact that they were "perfected goddesses."
Out of love for their younger sister, they also decided to live on the island although they were still worshipped. Living peacefully for a time, Medusa fought off men wishing to slay the rumored monster and those who wished to take their goddesses away by force. Loving to toy with men, heroes seeking to court them were met with impossible demands and forced back to their home countries only able to weep. While those challenging Medusa were petrified, those seeking marriage were ridiculed beyond reason until meeting their deaths. Due to a deep hatred developing for the humans, Medusa soon began to travel down the path of a monster. Though they warned her not to rejoice in killing humans, she began to feast on their blood and pleasurably seek out new methods of killing them. As even they began to fear her, she soon left her sisters when she could not bear to been seen in her slowly transforming state, eventually becoming the Gorgon.
They eventually stood before the Gorgon as sacrifices after Medusa was completely gone, trembling while holding hands. Stheno lamented that they had been foolish in letting the situation lead to that state. She had not asked to be protected, but had wished for Medusa's happiness in protecting them to last. Euryale had also given up, but had to take some meaning in Medusa's protection lest Medusa "look silly." Deciding that the sister who protected them no longer being there meant that they had to disappear, they offered themselves to the Gorgon, holding hands in fear while not abandoning that which they held dear. Euryale bid her younger sister farewell, not able to help herself in letting her know that they were the ones who were loved by her. Though the past days would never return, she believed that the three of them would one day escape the temple and return home. She smiled like she had in the past and raised her head as Gorgon devoured them without emotion, absorbing the girls, "the sisters, who were beautiful to the very end," while still alive and having them become its flesh and blood without leaving a trace behind.
When Perseus later slayed the Gorgon after using Kibisis to reflect the nightmare of Breaker Gorgon back at the monster, the "nightmare" she had was that of her time with her sisters, causing her to be paralyzed with the joy of seeing them again as Perseus used Harpe to take off her head.
Stheno and Euryale are identical sisters called the "snow-white Gothic Lolita duo." According to her, the weight is "the same as I (Euryale)".
Stheno was pictured as the "ideal woman", displaying an elegant demeanor, an overflowing grace, and the wisdom in her actions and words. It is said that men will lose their senses over the rapturous feeling and swear eternal loyalty to her should just their names pass from her lips. Unlike their younger sister who is an expert in fighting and disliked humans, she and Euryale perfect themselves as idols who liked humans, welcoming the men visiting the island, comforting them, and sending them on their adventure. Though her image on the surface seems to paint that as the very meaning of her existence, that is only to those observing them from afar. She is a devil who loves everything pretty and cute, freely and unconditionally. While she loves humans, it is not as "living beings", but rather in the way of toying with those she likes, embarrassing and driving them to ruin while watching them struggle. In reality, they truly hate men, while their sister is the one who bares them no ill will. They, loved by men, should be destined to be violated by them day after day. Though she despised her fate, Stheno had given up until Medusa became the one to protect them.
Along with her sister, they like to suck her blood, noting that it is extremely sweet. Due to remaining the same as her sister eternally, they have a closer link than even telepathy, like two parts of the same body who share the same senses, feel everything the other does, and share the basics of their personalities. They will often speak as if they are one person, using singular pronouns to describe each other.
No matter what kind of gentleman one may be, he will praise and flatter her. Although endowed with elegance and refinement, if one were to get to the core of her character, it is also possible to say that she is an extremely lazy person. Exceedingly coldhearted towards a trivial party. To the point of making the watchdog of the underworld (Tartarus) shudder.
She has no wish to offer the Holy Grail. If pressed to say, it would be "for us three sisters to live together forever", but she is already aware that this is a wish that can never come true. At the time of her unlikely manifestation, there is only one thing in her mind. Whatever it is fun or not.
- Due to the "irregularities" caused by Medusa's growth, she would describe her older sister as the "perfect example of laziness." She has not the slightest interest in things she does not like. This demon-like sister's cruelty could make the watchdogs of hell tremble in fear. She loves to tease and belittle Medusa, but does deeply care about her.
Second Singularity: Septem
Stheno manifests on the Shaped Isle off the shore of Galia. She accompanied by Elizabeth Báthory and Tamamo Cat, who serve her. Ritsuka, Mash, and Nero Claudius arrive on her island after hearing rumors of a god residing there. She introduces herself and confirms she doesn’t have any Authority as a Servant. She informs the group though that not all gods are powerful, admitting she and her sister are feeble. Nero demands her to come with them to Rome, but Stheno says her combative abilities are lacking. She decides to reward the group which they’ll find at the end of a cave along the coast. However, there is no reward to be found, only monsters to be slain. After the group return, Stheno asks them if they enjoyed her "reward". She introduces Elizabeth and Cat as the ones who tested the cave before the group. She asks Cat why she wasn’t in the treasure chest found at the cave’s end, as she was supposed to be the final trick following the chimera. She figures out though that Cat ate the chest after getting a nonsensical response. Caligula then arrives on the island, having been sent there by Lev Lainur Flauros to kill Nero. After the group kills him, Stheno reveals to them the location of United Roman Empire’s capital.
Valentine Event: Chocolate Lady's Commotion
Stheno and Euryale force Mash through a series of combat trials to increase the hype of Valentine's Day. They and Medusa, whom they forced to participate, are her first trial. Mash defeats the three sisters.
Event: Sanzang Coming to the West
Stheno and Euryale play the role of Golden Horned King and Sliver Horned King, respectively. They hold one of the scriptures containing Xuanzang Sanzang's memories.
The two sense a Tang monk has entered their territory of the Lotus Cave, presumably attracted by the aroma from Flat Peak Mountain. If the monk is a man, Gold Horn says to melt him to the bone, taunt him, torture him, then swallow him. Sliver Horn agrees but says if the monk is a woman, they should act like her friend before drinking her dry. Aching with excitement, the sisters note how suitable they are for these roles. They then set a trap by disguising rotten fruit as regular fruit.
However, they're left a little disappointed when Rituska's party discovers the trap thanks to White Dragon Horse's (played by Lu Bu) intervention. Golden Horn and Sliver Horn refuse to dirty themselves by fighting the group, so they call upon Bronze Horn (played by Medusa) to do it for them. Eventually, though, the kings are forced to retreat, leaving behind the scripture.
Final Singularity: Solomon
Stheno is amongst the "Septem" Singularity Servant to aid Chaldea against Demon Gods Pillar. She observe the other servants fighting and talks to Altera, while reminiscing the past. Stheno questions if Altera is on humanity side and realizes that Altera is different from the time, she attacked the gods and she had become more human. She considers this to be good fortune and witness Altera attack on the demon pillar.
Stheno appears in Capsule Servant as the High Priestess of the Dimensional Empire MATO (時空帝国マト, Jikū Teikoku Mato?). Alongside Euryale, they use the anti-SAKURA giant humanoid weapon MEDO-SA to battle Shirou.
Stheno and Euryale appear briefly in Carnival Phantasm Episode 12.
In Fate/kaleid liner PRISMA☆ILLYA 2wei!, the eleventh of the manga and the seventh episode of the anime, when Irisviel von Einzbern talks about the power of a big sister, Stheno makes a cameo appearance alongside Touko, Euryale and Kohaku to illustrate Irisviel's remarks.
Stheno is a Perfected Goddess (完成した女神, Kanseishita Megami?) with the power of immortality and eternal youth, differing from the gods of Olympus who had to halt their aging with the golden apples. Born as an "idol", her "divine essence" is to remain the same from the moment of creation to destruction. Despite that, she is of the weakest beings in the world. Possessing no ability to fight, she will starve if left alone, requiring the help of others to survive. Whereas other Servants may be constrained and reduced in ability by their class containers, Stheno actually becomes stronger when summoned as Assassin, simply because even the class container's base abilities are greater than hers. Differing from her sisters embodying the concept of "forever young and immortal", Medusa grew and developed abilities that allowed her to act as their protector. Her purpose was to be an "eternal idol", the incarnation of a pure maiden idealized as a never-aging young girl. Her purpose was "just to be loved and spoiled", whose beauty would never be matched by Medusa's best efforts.
As a Servant, in contrast to Euryale who inexplicably gained Cupid's signature bow, Stheno often has nameless heroes who are under her thrall fight in her stead. The manner in which they appear and vanish is similar to the usage of familiars.
Bloodsucking allows one to recovers one's own magical energy by means of sucking blood. Recovery happens with anyone's blood, but because the blood of her sister Medusa is the one she likes the most, she recovers greatly when sucking Medusa's blood.
Divine Core of the Goddess is a personal Skill that express being a perfected goddess from birth. A composite Skill that comprises the Skill Divinity. Repels all mental interferences, the body does not grow and the figure does not change no matter how much calories are absorbed.
Creation and Conception
Takashi Takeuchi was the original character designer and AKIRA is the character illustrator for Stheno in Fate/Grand Order. Hikaru Sakurai and Kinoko Nasu was responsible for Stheno's Scenario in Fate/Grand Order.
- Fate/Grand Order material II - Stheno, Translation by Mazyrian, Master of Chaos & Cannon, p.018-027
 Fate/Grand Order - Stheno (Assassin) Profile [T]
Stheno - Assassin
Illustrator and Voice actor
Voice Actor: Yū Asakawa
Noble Phantasm: B
Alluring Nightingale: A
Caprice of the Goddess: A
Presence Concealment: A+
Magic Resistence: A
Divine Core of a Goddess: EX
Smile of Stheno: Smile of the Goddess
Rank: Anti-Unit Noble Phantasm
The oldest of the Gorgon Sisters that appears in Greek Mythology.
A goddess born as a perfected "image (idol)", "the ideal woman" - the embodiment of men's longing.
A woman of loveliness, who is almost like elegance and refinement given shape.
Has two younger sisters, Euryale and Medusa.
Level 1 Bond
Source: Greek Mythology
Alignment: Chaotic Good Gender: Female
According to her, the weight is "the same as I (Euryale)".
Level 2 Bond
No matter what kind of gentleman one may be, he will praise and flatter her.
Although endowed with elegance and refinement, if one were to get to the core of her character, it is also possible to say that she is an extremely lazy person.
Exceedingly coldhearted towards a trivial party.
To the point of making the watchdog of the underworld (Tartarus) shudder.
Level 3 Bond
In regards to the little sister (Medusa), she will come together with the other self (Euryale) and end up tormenting her at every opportunity, but actually really likes her.
--I love you. From the bottom of my heart. Even after death.
Level 4 Bond
- Divine Core of a Goddess: EX
A Personal Skill that express being a perfected goddess from birth. A composite Skill that comprises the Skill Divinity.
Repels all mental interferences, the body does not grow and the figure does not change no matter how much calories are absorbed.
Level 5 Bond
"Smile of the Goddess"
Rank: B Type: Anti-Unit Noble Phantasm
Smile of Stheno.
The glamour of a goddess that captivated many brave men.
A languorous glance becomes a blade, a charming whisper becomes poison.
She has no wish to offer the Holy Grail.
If pressed to say, it would be "for us three sisters to live together forever", but she is already aware that this is a wish that can never come true.
At the time of her unlikely manifestation, there is only one thing in her mind. --Whatever it is fun or not.
ステンノ - アサシン
- Divine Core of a Goddess: EX
- Type-Moon Double Maniax
- Fate/hollow ataraxia - 10/10 - Emiya's - Gorgon's cellar
- Fate/Grand Order - Salomon: The Grand Time Temple - Act 03: II / Intelligence Room Flauros
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