Sasuke

Biodata

Feature	Information
Name	Sasuke Uchiha (佐助) 2
Alias(es)	“Mr. Uchiha”; Kaoru Sakura’s “Big brother”/“Elder Brother” 17 20
Species/Race	Human 13
Gender	Male 67
Date of Birth	July 23, 1985 67
Affiliation	Fish Fresh House; later the Hangzhou Security Bureau, 10th Division 1 177
Occupation/Role	Former ninja; fish-shop part-timer; Security Bureau officer 1 177
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Eternal Mangekyō Sharingan	1	Revealed while confronting Rin Tohsaka and Shirou Emiya after Kaoru is attacked; its perception identifies life force and magical-energy flows.
Initial Susanoo	1	A skeletal ribcage and arm manifest to block and crush Rider’s chained dagger.
Upper-body Susanoo	2	Develops from a skeleton into an upper body with flesh, meridians, and a magical-energy bow.
Second-form Susanoo	24	Uses a clothed, fleshed-out Susanoo to withstand Sasaki Kojiro’s Tsubame Gaeshi.
Crow Tengu Armor	33	Susanoo gains a mantle and Crow Tengu Armor; Gilgamesh’s Noble Phantasms leave only superficial marks.
Full-bodied Susanoo	34	Susanoo grows legs and towers over the Einzbern castle, with Sasuke positioned in its forehead.
Complete Body Susanoo	35	Armored, winged form with two enormous blades; defeats Gilgamesh despite Enuma Elish.
Six-Tomoe Rinnegan	92	Its manifestation accompanies a major increase in Sasuke’s confidence and his ability to break through barriers.
Complete Body Susanoo, documented maximum scale	366	Stands over 200 meters tall; its two tachi exceed 130 meters each and can crush demonic beasts with ease.

Background / History

Sasuke was formerly a ninja from another world. After losing nearly everything, he transmigrated to Fuyuki City and spent three years adapting to modern life, initially treating the peaceful world as a new form of training. 1

Sakura Masayoshi took him in at Fish Fresh House, where Sasuke began working part-time. Grateful for the old man’s care, he secretly protected Masayoshi and his granddaughter, Kaoru Sakura. Kaoru came to regard him as an older brother, and Sasuke consciously tried to fulfill that role despite never having been one before. 1 4

His quiet life ended when Kaoru was drained of life force at Homurahara Academy. Sasuke entered the Holy Grail War’s conflicts to protect her, learning that the energy he had continued to use as chakra was known in this world as magical energy. 1 2

Appearance

Sasuke is a black-haired young man with a habitually blank, stern expression. He ordinarily has black eyes, though his dōjutsu transforms them into distinctive red ocular forms. 1 4 40

• Black hair, with bangs that move freely in the wind. 40
• Usually wears practical modern clothing, including a gray jacket while working around Fish Fresh House. 4
• His Eternal Mangekyō Sharingan appears as a blood-red hexagram overlaid with a triangular pinwheel. 1
• His left eye later manifests concentric rings with six tomoe: the Six-Tomoe Rinnegan. 41 92

Personality

Sasuke is restrained, independent, and difficult to read. He speaks bluntly, remains calm in dangerous situations, and makes decisions without waiting for approval. His combat judgment is sharp; even when outnumbered, he favors preparation, direct action, and decisive force. 7 54

His detached manner conceals a strong protective instinct. He takes responsibility for Kaoru and Masayoshi, leaves Shadow Clones to guard their home, protects Illya through extreme danger, and teaches Kaoru and Shirou when they ask for guidance. 1 52 54 67 72

Sasuke does not often discuss emotions. Instead, he expresses care through practical actions, strict standards, and an unwillingness to leave threats unresolved. 54 60

Abilities & Skills

Dōjutsu

Sasuke possesses the Uchiha clan’s Sharingan, including the Eternal Mangekyō Sharingan and, later, a Six-Tomoe Rinnegan. His eyes allow him to perceive magical energy as he once perceived chakra. 1 2 92

• Uses the Three-Tomoe Sharingan to locate magical crests and track magical-energy signatures. 2 5
• Uses the Mangekyō Sharingan to observe high-speed opponents and read attacks before they land. 23 24
• Casts Demonic Illusion: Shackling Stakes, immobilizing targets by disrupting their senses and internal energy flow. 24
• Explains that the Sharingan is an Uchiha-exclusive kekkei genkai wielded through the eyes. 156
• The Six-Tomoe Rinnegan significantly enhances his confidence and ability to overcome barriers. 92

Susanoo

Sasuke’s Susanoo is a dark-purple chakra/magical-energy construct that evolves from skeletal defenses into a massive armored warrior. 1 35

• Its skeletal arms can catch weapons, restrain opponents, and crush Servants. 1 5 23
• Its upper-body form can wield a bow and arrows formed from magical energy. 2 92
• Its armored forms withstand attacks that would otherwise be lethal, including Tsubame Gaeshi and Gilgamesh’s barrage of Noble Phantasms. 24 33
• The Complete Body Susanoo is winged, carries two giant blades, and defeated Gilgamesh after he used Ea. 35
• Its later form stands over 200 meters high and carries two tachi over 130 meters long. 366

Fire and Lightning Style

Sasuke employs high-level Fire and Lightning Style techniques with lethal precision. 5 7 28

• Amaterasu — Black flames used against Lancer, Medea, Shinji Matou, and Zouken Matou. 6 7 27 60
• Flame Style: Kagutsuchi — Shapes Amaterasu’s black flames into weapons, including blades projected from Susanoo. 7 27
• Fire Style: Great Dragon Fire Technique — Countered Medea’s massed fireball attack. 27
• Chidori — Destroyed a magical crest hidden beneath a classroom desk. 5
• Chidori Sharp Spear — A long-range Chidori variation used to kill Soichiro Kuzuki and a magical beast. 28 364
• Thousand Birds — The name Sasuke gives to his lightning technique when confronting Apricot. 158
• Repeated use of Amaterasu severely injures his left eye and leaves him exhausted. 170 171

Shadow Clone Technique

Sasuke creates physical Shadow Clones for combat, surveillance, evacuation, and protection. 7 33 67

• Sent a clone to spar with Lancer while his true body remained at Fish Fresh House. 7
• Used a clone to duel Sasaki Kojiro while Saber, Shirou, and Rin entered Ryudō Temple. 23
• Left clones behind to protect Kaoru and Masayoshi while traveling with Illya. 54 67
• Combined ten clones to establish the Ninja Art: Ten Red Yang Formation, a decagonal red-flame barrier surrounding Shinto’s commercial district. 368

Swordsmanship and Physical Combat

Sasuke is an exceptionally fast swordsman and close-quarters combatant. He acknowledges that Sasaki Kojiro surpassed him in pure swordsmanship, but overcame the duel through superior abilities. 23 24

• Can fight with the Kusanagi Sword while channeling energy through his body to amplify his strikes. 23
• Trained Kaoru and Shirou with bamboo swords, adjusting his speed and force to their limits. 52 53
• Snapped a B-rank Noble Phantasm spear with his bare hand. 33
• Deflected Billy the Kid’s bullets while using the Three-Tomoe Sharingan. 308

Equipment / Weapons / Items

• Kusanagi Sword — Kept sealed in Sasuke’s wrist guard or bracer; used in his duel with Sasaki Kojiro and against Artoria’s Strike Air. 23 76 302
• Wrist guard/bracer seals — Used to release the Kusanagi Sword. 23 76
• Passport and driver’s license — Obtained for travel to Germany; his passport lists his Japanese nationality and birth date. 67

Relationships

• Kaoru Sakura — Younger-sister figure. Sasuke protects her, takes her safety personally, and agrees to teach her kendo. 1 52
• Sakura Masayoshi — Caretaker and Fish Fresh House owner who took Sasuke in; Sasuke protects him and may inherit the shop in Masayoshi’s eyes. 1 4
• Rin Tohsaka — Ally whose Jewel Magecraft saves Kaoru’s life. Sasuke agrees to assist her because of that debt. 1 6
• Shirou Emiya — Ally and swordsmanship student. Shirou seeks Sasuke’s training to become stronger. 2 52 53
• Illyasviel von Einzbern — Close companion whom Sasuke repeatedly protects; later passages describe them fighting together as husband and wife. 54 72 210
• Sasaki Kojiro — Respected opponent. Sasuke defeats him but admits Sasaki was the superior swordsman. 24
• Archer / Heroic Spirit Emiya — Archer is unusually interested in Sasuke and reveals that the Counter Force once dispatched him to erase a future Sasuke. 41
• Uchiha Apricot — Sasuke’s child; Apricot is described as both his daughter and his son in different passages. Sasuke supports Apricot’s desire to fight Heroic Spirits. 158 303
• Naruto Uzumaki — Former friend who tries to stop Sasuke’s revenge-driven descent after Danzo’s death. 201
• Captain Yamada — Sasuke’s superior at the Hangzhou Security Bureau, who assigns him to the 10th Division. 177

Story Role / Major Arcs

• Homurahara Academy incident — Searches for Kaoru after sensing combat at the school, confronts Rin and Shirou, and pursues the attacker responsible for draining Kaoru’s life force. 1 2
• Holy Grail War intervention — Kills Shinji Matou and Rider after discovering their involvement in attacks on ordinary students, then becomes a potential ally to Rin and Shirou. 5 6
• Ryudō Temple assault — Holds Sasaki Kojiro in a sword duel so Saber, Shirou, and Rin can infiltrate the temple; later kills Sasaki with the Kusanagi Sword after using genjutsu. 23 24
• Caster’s defeat — Counters Medea’s fire attack, cripples her with Amaterasu and Kagutsuchi, and kills Soichiro Kuzuki when he continues the fight. 27 28
• Battle with Gilgamesh — Escalates Susanoo to its Complete Body form and kills Gilgamesh despite Ea and Enuma Elish. 33 35
• Germany journey — Travels with Illya while leaving Shadow Clones at Fish Fresh House to guard Kaoru and Masayoshi. 67 72
• Security Bureau service — Joins Hangzhou City’s Security Bureau and is assigned to minor cases in the 10th Division. 177
• Battle of Shinto — Uses Complete Body Susanoo and the Ten Red Yang Formation to dominate and isolate the battlefield. 366 368

Notable Quotes

“I must admit, in terms of swordsmanship, you are better than me. I am the one who lost.”
— Sasuke to Sasaki Kojiro 24

“In my world, there is no such thing as a king.” 33

“The true power of the Uchiha.” 35