Servant DialogueInterludeStrengthen


Sasaki Kojirō

Japanese Name: 佐々木小次郎
AKA: Nameless Master (無名の達人, Mumei no Tatsujin?)
Nameless Samurai, Sasaki Kojirou, REGEND, Saviour of France (2015)
ID: 39 Cost: 3
ATK: 1,042/5,735 HP: 1,244/6,220
Grail ATK: 8,912 Grail HP: 9,588
Voice Actor: Miki Shinichirou Illustrator: Mata
Attribute: Man Growth Curve: Reverse S
Star Absorption: 102 Star Generation: 25.3%
NP Charge ATK: 1.05% NP Charge DEF: 4%
Death Rate: 55% Alignments: Neutral・Evil
Gender: Male
Traits: Humanoid, Male, Servant, Weak to Enuma Elish
Quickicon2  |  Artsicon2  |  Bustericon1  |  Extraicon4

Active Skills Passive Skills Noble Phantasm Ascension Skill Upgrade Bond Level Biography Availability Trivia

Active Skills

Available from the start
Eye of the Mind (False) A
Avoid Grants self Evasion for 1 turn.
Increases own critical damage for 3 turns.
Level 12345678910
Critdmgup Crit Damage + 20% 22% 24% 26% 28% 30% 32% 34% 36% 40%
Cooldown 8 76

Unlocks after 1st Ascension
Fade Out B+
Removes own mental debuffs.
(Mental Debuffs: Charmstatus, DelayedDebuff Skillseal, DelayedDebuff Stunstatus)
Gains critical stars.
Level 12345678910
GainStars Stars + 5 6 7 8 9 10 11 12 13 15
Cooldown 6 54

Unlocks after 3rd Ascension
Sense of Subtle Elegance B
Surehit Ignores Evasion for 3 turns.
Increases own critical star generation rate for 3 turns.
Level 12345678910
Stargainup Star Rate + 10% 12% 14% 16% 18% 20% 22% 24% 26% 30%
Cooldown 7 65

Upgrades after Strengthen 1
Sense of Subtle Elegance B++
Surehit Ignores Evasion for 3 turns.
Increases own critical star generation rate for 3 turns. UpgradeIconText
Increases own critical star absorption for 3 turns. UpgradeIconText
Level 12345678910
Stargainup Star Rate + 30% 36% 42% 48% 54% 60% 66% 72% 78% 90%
Critabsup Absorption + 200% 230% 260% 290% 320% 350% 380% 410% 440% 500%
Cooldown 7 65

Passive Skills

Presence Concealment
Presence Concealment D
Increases own critical star generation rate by 4%.

Noble Phantasm

Swallow Reversal
Tsubame Gaeshi
Rank Classification Type Hit-Count
- Anti-Unit Mystic Sword Quick 3
Effect Deals damage to one enemy. PreUpgradeIconTitle
NP Level 1 2 3 4 5
Powerup Damage + 1200% 1600% 1800% 1900% 2000%
Overcharge Effect Gains critical stars.
Charge 100% 200% 300% 400% 500%
GainStars Stars + 15 20 25 30 35

Upgrades after Strengthen 2
Swallow Reversal
Tsubame Gaeshi
Rank Classification Type Hit-Count
- Anti-Unit Mystic Sword Quick 3
Effect Quickupstatus Increases own Quick performance by 20% for 3 turns. (Activates first) UpgradeIconText
Deals damage to one enemy. UpgradeIconText
NP Level 1 2 3 4 5
Powerup Damage + 1600% 2000% 2200% 2300% 2400%
Overcharge Effect Gains critical stars.
Charge 100% 200% 300% 400% 500%
GainStars Stars + 15 20 25 30 35

佐々木小次郎 燕返し

佐々木小次郎 燕返し


Item 1 Item 2 Item 3 Item 4 QP
1st Assassin piece2 Qp10,000
2nd Assassin piece4 Heros proof8 Qp30,000
3rd Assassin monument2 Infinity gear2 Voids refuse7 Qp90,000
4th Assassin monument4 Infinity gear4 Octuplet twin crystals4 Qp300,000

Skill Reinforcement

Item 1 Item 2 Item 3 Item 4 QP
1st Shiningassassin2 Qp10,000
2nd Shiningassassin4 Qp20,000
3rd Magicassassin2 Qp60,000
4th Magicassassin4 Voids refuse4 Qp80,000
5th Secretassassin2 Voids refuse7 Qp200,000
6th Secretassassin4 Heros proof5 Qp250,000
7th Heros proof10 Unlucky bone6 Qp500,000
8th Octuplet twin crystals8 Unlucky bone18 Qp600,000
9th Crystallized lore1 Qp1,000,000


Strength: C
Endurance: E
Agility: A+
Mana: E
Luck: A

Bond Level

Bond Level 1 BoundLevel1 2 BoundLevel2 3 BoundLevel3 4 BoundLevel4 5 BoundLevel5 6 BoundLevel6 7 BoundLevel7 8 BoundLevel8 9 BoundLevel9 10 BoundLevel10
Bond Required 2,500 3,750 5,000 6,250 10,000 167,500 170,000 195,000 220,000 295,000
Total Bond 2,500 6,250 11,250 17,500 27,500 195,000 365,000 560,000 780,000 1,075,000
Bond 10 Reward HeavenAmongMountains Heaven Among the Mountains
When equipped on Sasaki Kojirō,
Increases party's Quick performance by 15% while he is on the field.
Chaldean Visionary Flames [?]
11 BoundLevel1 12 BoundLevel2 13 BoundLevel3 14 BoundLevel4 15 BoundLevel5
1,090,000 1,230,000 1,360,000 1,500,000 1,640,000
2,165,000 3,395,000 4,755,000 6,255,000 7,895,000


Unlock Description Translation
Default 日本有数の剣豪・宮本武蔵の好敵手として語られる剣士。


A swordsman described as a worthy rival of one of Japan's prominent master fencer - Miyamoto Musashi.

Mastering the Ganryū-style at a young age, a genius swordsman said to find no equal no matter where he went.
And yet---

Bond 1 身長/体重:176cm・63kg

属性:中立・悪  性別:男性

Height/Weight: 176cm ・ 63kg

Source: Historical Facts
Region: Japan
Alignment: Neutral ・ Evil
Gender: Male
"No matter who may be, one is evil from the moment he cuts down a person."

Bond 2 花鳥風月を愛で、雅な陣羽織に身を包む風流人。


A refined man who admires the beauties of nature and wraps his body in an elegant battle surcoat.

Aloof from the world and having a somewhat elusive personality but,
as expected, he is a warrior who likes fair and square contests.
Due to living in an age where casualties happened on a daily basis, his perspectives about life and death may also seem cold-hearted for a modern person.

Bond 3 ○燕返し


Tsubame Gaeshi

Anti-Unit Mystic Sword. Maximum Targets: 1 person.
A sword technique that rivals Noble Phantasms, attained only with human techniques.
A special move that simultaneously cuts apart an enemy with three circles.
Seems to be one of the things that can be called multi-dimensional refraction phenomenon.
Originally, it was something developed to cut a swallow flying on the sky.

Bond 4 本人は『燕返し』を秘剣と呼ぶが、周囲から見れば紛れもない魔剣である。


He himself calls it a secret sword technique, but on the eyes of the surroundings, it is unmistakably a magic sword.

For that is not the work of man.
He himself says that it was developed for cutting a flying swallow, but, of course, it is possible to cut a swallow even without a mystic technique such as this.
Rather, this is a story about the lack of compromise, and also, how much extreme talents for martial arts was possessed by this swordsman - who reached the blessings of the sword just for such a reason.

Bond 5 宗和の心得:B


Sense of Subtle Elegance: B

A unique ability that prevents drop on hit-accuracy no matter how much the same technique, the same sword skill is employed against an opponent.
It becomes impossible to see through attacks.
"The eyes grow used to the attacks"; maybe it means that such inferior sword swings are not unleashed.

Clear Interlude 1
Extra 佐々木小次郎とは、武蔵と違いその実像が定かではない架空の剣士である。


Unlike Musashi, Sasaki Kojirou was a fictional swordsman with no basis in reality.

This “Sasaki Kojirō” is nothing more than a nameless swordsman who was called forth because of his ability to recreate the legendary "Swallow Reversal."
Of course, as a genius swordsman who was unknown in life, Kojirou’s thoughts on being summoned to fulfill the role of a fictional Heroic Spirit were, “This too, is fine.”


  • He has the highest Attack out of all 1★ Assassins.
  • He briefly appeared as Saber-class servant during the final part of Shimosa Chapter. This version of him was a Kojiro who was real in an alternate universe, as opposed to fictional.
  • He received Battle Animation and Sprite Update on Shimosa Summoning Campaign 2, 20 October 2017 Update.
  • He is one of the very few servants to have two Extra attack animations:
    • The first one has him having his back facing away from the screen, doing a barrage of stabs, and slashing upwards.
    • The second one has him having his back facing towards the screen, doing a barrage of stabs, and slashing downwards.