Content

Stheno

FGO Stheno, Pros and Cons, Rating, Strategies and Tips, Stats, Skills, Wiki, and Noble Phantasm.
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update 18/07/2017

Overview

Stheno

RarityCostClass
4★12Assassin
Assassin
Rating--/10

Stheno is one of the two Gold Assassins available at the game’s start. She has a decent ATK stat, although Assassins’ low damage multiplier hurts her quite a bit in this regard. She also possesses high innate NP gain and critical star generation rate, though the latter isn’t really visible due her Quick card’s low hitcount. Both of Stheno’s skills are crowd control type, with her first skill decreasing an opponent’s NP gauge and her second skill applying charm to a male Servant. Another thing of note is Sthenos’ high debuff resistance rate. At 50% base, it makes her much harder to debuff compared to other Servants.

Her Noble Phantasm is probably Stheno’s greatest weakness. Dealing no damage, instead it has a chance to instantly kill a male opponent. It also has a 100% chance Charm, and applies a defense buff to the target. The fact that everything save the defense buff are exclusively anti-Male is already significant disadvantage, but this is made worse by instant kill’s reliance to the opponent’s hidden death rate stat. Although her NP data says that it has a 100% chance to instantly kill, this is actually more on the lines of 100% times the opponent’s deathrate - which is usually somewhere around 20-30% for Servants, and even less on bosses.

After strengthening quest (currently unavailable on the EN ver.), she gains Whim of the Goddess A, a skill which increases the party’s attack, with additional bonus for Divine Servants. This makes her a decent Divine Servant support, although it doesn’t really solve her main problem, which is her Noble Phantasm.

Pros

  • High NP gain.
  • Crowd Control functions.
  • Divine support skill (Unavailable on the EN ver).

Cons

  • Noble Phantasm’s instant kill is unreliable.
  • Chance-based NP drain.

Strategies & Tips

Stheno may be used when there is no better Assassin, as her normal attacks still deal decent damage against Riders. Outside of this, she is only used in Male-only stages, especially in teams revolving around having the opponent constantly under Charm/Stun effects.

Noble Phantasm

Smile of the Stheno is a non-damaging Noble Phantasm, which has a chance to instantly kill a male opponent. It also applies a Charm if the target is male alongside a defense debuff. Stheno is able to perform this Noble Phantasm rather often due to her high NP gain rate; however, the Noble Phantasm itself is rather unreliable due to its nature. However, combined with her Charm skill, it does allow Stheno to charm male opponents at a much faster rate than any other Servant.

Best Servants to Work with

ServantExplanation
Gilgamesh
Gilgamesh
A natural critical damage dealer, Gilgamesh is able to make use of the critical stars Stheno provides. Additionally, her crowd control functions are also beneficial due to his lack of defensive skill.

After the servant strengthening quest (currently unavailable on the EN ver), Being a Divine Servant, Stheno’s third skill increases his damage greatly.
Euryale
Euryale
A fellow Gorgon Sister, Euryale also possesses anti-Male properties, and is a Divine Servant. As such, a Stheno - Euryale combination is able to severely hinder male opponents. With another Euryale/Stheno and leveled skills, it is even possible to apply a permanent Charm lock on a male target.

Unavailable on the EN ver.
Cu Chulainn (Prototype)
Cu Chulainn (Prototype)
After the servant strengthening quest (currently unavailable on the EN ver), being a Divine Servant and possessing a critical absorb skill as well as a critical damage buff, Proto Cu benefits from both Stheno’s third skill and her high critical star generation rate.

Best CEs

CEExplanation
Imaginary Around
Imaginary Around
Increases Stheno’s NP and star generation rate, allowing her to support the team more.
Be Elegant
Be Elegant
Increases Stheno’s critical star generation rate.
Holy Shroud of Magdalene
Holy Shroud of Magdalene
As Stheno will mostly be used against males, this Craft Essence enhances her bulk, allowing her to soak more damage from the opponent.

Max Bond Level CE

Stats

LvlHPATK
Base1,8431,497
Lv406,6125,188
Lv8011,5188,985
Lv9012,7379,928
Lv10013,96510,879

Hidden Stats

NP Charge (ATK)2.26%
NP Charge (DEF)4%
Star Weight104
Star Rate25%
Death Resist27.5%
AlignmentLawful, Good
AttributeSky
TraitsFemale, Humanoid, Divine, Servant, Weak to Enuma Elish

Noble Phantasm

Smile of the Stheno

Decreases one enemy's defense by 20% for 3 turns. Chance cause instant death if it's a Male enemy.For more details
[Overcharge]Chance to charm if it's a Male enemy.For more details

RankB
ClassificationAnti-Personnel
TypeBuster
Hit-Countuff0d
LvlDeath ChanceChargeChance to Charm
1100%100%100%
2125%200%125%
3137.5%300%150%
4143.8%400%175%
5150%500%200%

Skills

Upgrade Priority

  • Vampirism C:
    An NP drain skill, which fills Stheno’s own NP gauge. It is recommended to alternate between leveling this skill and Siren Song to increase their hit rate. As for which skill should be prioritized, it depends on the way you wish to use Stheno. Vampirism is better for general usage, but Siren Song is better for male-only scenarios.

  • Siren Song A:
    This skill has a chance to apply Charm on a male target. If Stheno is to be used in teams focusing on alternating Charms, this skill should be leveled first for the cooldown reduction.

  • [JP-Only] Whim of the Goddess A:
    This skill should be raised before her other skills, as it is extremely flexible and beneficial for most of Stheno’s possible allies - even non-Divine ones. However, it should be noted that Siren Song benefits more from the cooldown reduction.

Bloodsucker C

Bloodsucker C

Available from the start
Medium chance to decrease specific enemy's Charge by 1
Increase your own NP Gauge

LvlDrain ChanceNP +Cooldown
160%18%8
262%18.9%8
364%19.8%8
466%20.7%8
568%21.6%8
670%22.5%7
772%23.4%7
874%24.3%7
976%25.2%7
1080%27%6

Alluring Nightingale A

Alluring Nightingale A

Unlocks after 1st Ascension
Chance to Charm a single Male enemy (1 turn)

LvlCharm ChanceCooldown
170%9
273%9
376%9
479%9
582%9
685%8
788%8
891%8
994%8
10100%7

Whim of Goddess A

Whim of Goddess A

Unlocks after Strengthening Quest
Increase ATK for all allies (3 turns)
Increase ATK for allies with Divine traits (3 turns)

LvlAttack +Divine +Cooldown
110%10%7
211%11%7
312%12%7
413%13%7
514%14%7
615%15%6
716%16%6
817%17%6
918%18%6
1020%20%5

Class Skills

Magic Resistance AMagic Resistance A
Increase Debuff Resist by 20%
Presence Concealment A+Presence Concealment A+
Increases your C. Star Drop Rate by 10.5%
Core of the Goddess EXCore of the Goddess
Apply Damage Plus (300) & increase Debuff Resist by 30% for yourself

Command Cards

QuickQuickQuickArtsBuster
CardQuick
Quick
Arts
Arts
Buster
Buster
Extra
Extra
Hit-Count2113

Stheno’s QQQAB deck and high critical star generation rate allows her to generate a good amount of stars. The lack of Arts cards is also not a problem due to her high NP gain rate. However, only having one Buster card makes it impossible for her to create NP Buster Brave chains, and thus limits her to more supportive roles.

[JP-Only] As not all Divine Servants are Quick-oriented, her lack of Arts cards can be somewhat of a hindrance.

NP Gain

1st2nd3rd
91113
91215
922
469
B / Q1013
000

Bond Level

LvlExp RequiredTotal Exp
13,0003,000
26,1259,125
36,12515,250
46,12521,375
56,12527,500
6262,500290,000
7290,000580,000
8300,500880,500
9309,5001,190,000
10315,0001,505,000

Skill Enhancement Materials

LvlQP CostMaterials
1 → 2100,000Shining Gem of Killingx4
2 → 3200,000Shining Gem of Killingx10
3 → 4600,000Magic Gem of Killingx4
4 → 5800,000Magic Gem of Killingx10
Heart of a Foreign Godx2
5 → 62,000,000Secret Gem of Killingx4
Heart of a Foreign Godx4
6 → 72,500,000Secret Gem of Killingx10
Snake Jewelx4
7 → 85,000,000Snake Jewelx7
Talon of Chaosx3
8 → 96,000,000Talon of Chaosx9
Dragons Reverse Scalex8
9 → 1010,000,000Crystallized Lore​x1

Ascension Materials

AscensionQP CostMaterials
1st50,000Assassin Piecex4 Assassin Piece
2nd150,000Assassin Piecex10 Assassin Piece
Snake Jewelx5 Snake Jewel
3rd500,000Assassin Monumentx4 Assassin Monument
Heart of a Foreign Godx4 Heart of a Foreign God
Shadow Servantx8 Shadow Servant
4th1,500,000Assassin Monumentx10 Assassin Monument
Shadow Servantx16 Shadow Servant
Dragons Reverse Scalex4 Dragons Reverse Scale

Other Servants

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