Shirou

Biodata

Feature	Details
Name	Emiya Shirou 1
Alias(es)	Berserker; Murciélago; Foreigner; Fourth Lich King 49 130 217 249
Species/Race	Human whose soul fused with Ulquiorra Cifer's residual Arrancar spirit body; described as existing between spiritual and physical entities. 1 2
Gender	Male
Origin	Falsification 57
Magical Affinity	Sword, with an additional Null attribute: Imaginary 57
Affiliation	Emiya Family; Emiya Faction; Black Faction during the Great Holy Grail War 8 49 135
Occupation/Role	Magus, combatant, chef, Servant Master, and temporary El-Melloi classroom instructor 2 41 156 262
First Appearance	Chapter 1 — From This Day On, I Am Young Hero Emiya

Power Progression

Stage / Realm / Level	Chapter	Notes
Ulquiorra-derived soul fusion	1	A post-death soul collision leaves Shirou in control of Ulquiorra Cifer's spirit body and residual abilities, including super-high-speed regeneration.
Basic magecraft training	2	Kiritsugu teaches him Projection and Reinforcement; Shirou's body is found to contain Servant-like reserves of reishi/magical energy.
Zanpakutō wielder	15	By age eleven, he carries the Black Winged Great Demon and considers himself capable of confronting Servant-level opponents.
Hōgyoku awakening	54 272	His clash with Karna pushes him to awaken the Hōgyoku, preventing what he believes would otherwise have been his defeat.
Resurrección	39	Uses his Resurrección against the White-Winged Ancestor, forcing the Dead Apostle Ancestor to concede defeat.
Second Resurrección	121	Reaches a further release state after re-examining the reason he fights and reaffirming Kiritsugu's ideal.
Refined Hōgyoku control	128	Gains improved mana control, shortening Cero charging time and increasing its output while destroying the Greater Grail.
Hōgyoku fusion / Cocoon Blue	205 206	Enters a cocoon-like transitional form while confronting Arjuna; much of his power is sealed within the shell, restricting him to direct physical combat.
Evolved form	207	Emerges with altered appearance and substantially greater Kidō proficiency, defeating Arjuna with Raikōhō, Rikujōkōrō, and Senjū Kōten Taihō.
Mastery of Unlimited Blade Works	212 215	His inner world fully manifests as a moonlit Hueco Mundo-like nightscape, allowing him to suppress Angra Mainyu's proliferating beast forms.

Background and History

Shirou is discovered by Kiritsugu Emiya among the ruins following the Holy Grail War. He wakes in hospital with amnesia, removes his own bandages, and reveals that injuries severe enough to leave him half-dead have already healed. Kiritsugu adopts him and gives him the Emiya name. 1

His abnormal recovery originates from a collision between his soul and the remnants of Ulquiorra Cifer's soul after death. Shirou gains control of the fused spirit body and retains Arrancar-derived powers, though much of that power must recover over time. 1

At eight, Shirou begins learning Projection and Reinforcement from Kiritsugu. He defines justice pragmatically: power is necessary to win, and only victory can protect the people he values. Even so, he promises to take up Kiritsugu's abandoned dream of becoming a hero of justice. 2

Shirou accompanies Kiritsugu to Germany to help rescue Ilyasviel from the Einzbern family. His loyalty to the Emiya name leads him to reject Ahad Einzbern's offer of wealth and cooperation despite the danger posed by the family's centuries of accumulated magecraft. 3 5

After Illya joins the household, Shirou develops a strict routine of body training, magecraft practice, cooking, and firearms instruction. He recognizes that raw power alone is insufficient, particularly because he initially lacks proper combat training and practical battle experience. 8

Appearance

Shirou's appearance varies with age, summoned form, and Hōgyoku transformations. He is initially a small child, stands approximately 1.3 meters tall at eleven, and later appears as a red-haired youth when granted an adult body for the Great Holy Grail War. 15 49

• Carries the long sword-form Zanpakutō Black Winged Great Demon by age eleven. 15
• Bears a roughly twenty-centimeter penetrating scar from his battle with Karna. 267 272
• His Hōgyoku-altered form becomes fair-skinned and conventionally handsome. 207
• His black wings inspired the name Murciélago, bestowed by the White-Winged Ancestor. 130

Personality

Shirou is outwardly warm around family and familiar people, but turns cold, mechanical, and ruthlessly direct when acting against a threat. Kiritsugu observes that his adopted son is unusually mature for his appearance, unpredictable in thought, and capable of abruptly deciding on extreme action. 7

His family and friends are his absolute boundary. He protects Kirie from Souren Araya, rushes to defend the Emiya household when it is attacked, and is willing to confront vastly stronger opponents rather than abandon people under his protection. 20 177

Despite his strength, Shirou is practical rather than conventionally heroic. He demands payment for work, values useful bargains, and openly rejects the Counter Force's path. His ideal of justice prioritizes preserving those important to him rather than saving everyone indiscriminately. 2 21 39

He is also intensely enthusiastic about cooking, prone to teasing companions, and willing to use magic for absurdly mundane tasks. 8 115 199

Abilities & Skills

Arrancar Physiology

Shirou's fused soul grants him spiritual reserves and physical traits normally associated with a high-level Arrancar.

• Possesses a massive reserve of reishi stored throughout his body, making his existence comparable to a Servant's spiritual-material body. 2
• Can withstand attacks from Combat Homunculi using Steel Skin/Hierro. 5
• His natural strength, endurance, and speed were assessed as approximately Servant-class even while still a child. 3 5
• His speed can reach supersonic levels, though he is less flexible in motion than specialized speed fighters. 129 183

Super-High-Speed Regeneration

Shirou can regenerate devastating injuries, including lost limbs, at visible speed.

• Regrew his left arm after it was severed by spatial distortion and later after losing it against Heracles. 12 167
• Can recover missing limbs provided his internal organs remain intact. 1
• May need to remove damaged tissue before regeneration can properly restore the limb. 12

Cero, Bala, and High-Speed Movement

Shirou weaponizes compressed spiritual energy through ranged attacks and movement techniques.

• Uses Cero, including Gran Rey Cero and a Cero-infused katana strike, to destroy gates, barriers, and workshops through brute force. 28
• Fires Bala, a compressed fingertip projectile strong enough to break multiple layers of Souren Araya's barriers. 22
• Uses Sonido and Resonance Turn for rapid repositioning and pursuit. 20 193
• Demonstrated an “Infinite Refill Cero” barrage against Achilles and Atalanta. 66
• His enhanced Cero can reach city-level output after gaining greater Hōgyoku control. 128

Projection Magecraft

Shirou's Projection differs from ordinary magecraft because his replicas are extremely close to their originals.

• Can project mundane objects as well as weapons due to his Falsification Origin and Imaginary attribute. 41 57
• Projects analyzed weapons such as Kuji Kanetsune, Siegfried's Balmung, Karna's Brahma weapon, and Noble Phantasms matching Gilgamesh's barrage. 28 51 147 251
• Uses Broken Phantasms and projected Noble Phantasm replicas in battle. 21 115
• Cannot maintain unlimited Noble Phantasm combinations without support, as projected Noble Phantasms have cooldowns. 252

Reinforcement and Spellcraft

Shirou combines Reinforcement with unconventional applications of magecraft.

• Reinforced the Ogawa Apartment to prevent its collapse. 46
• Uses Reinforcement, Projection, Rune cards, and time acceleration to prepare food at impossible speed. 199
• Employs Black Keys, anti-undead talismans, against Dracula. 105
• In his evolved form, casts high-output Kidō spells including Raikōhō, Rikujōkōrō, and Senjū Kōten Taihō. 207

Unlimited Blade Works

Shirou's Inherent Skill manifests as a moonlit landscape resembling the canopy above Hueco Mundo.

• Creates and controls a vast armory of weapons within the Reality Marble. 212 215
• Uses the field to suppress Angra Mainyu's divided beast forms, preventing the remnants from escaping through numbers. 215
• Can call projected weapons from the environment to counter volleys from Gilgamesh's Gate of Babylon. 252

Lich King Powers

In a later Foreigner incarnation, Shirou wields Frostmourne as the Fourth Lich King.

• Summons undead armies including zombies, ghouls, gargoyles, Abyssal Demons, and Frost Dragons through Unlimited Blade Works. 249
• Uses Frostmourne's cold to create enormous ice blades and freeze the battlefield. 251
• Can photonize to close distance against Gilgamesh. 251

Equipment / Weapons / Items

• Black Winged Great Demon — Shirou's Zanpakutō, formed from Ulquiorra's spirit particles. 15 35
• Avalon — A defensive Noble Phantasm that, upon True Name release, provides absolute defense against magical and physical interference. 100
• Hōgyoku — Catalyst of Shirou's evolving forms and enhanced mana control. 128 205
• Frostmourne — Demonic sword wielded by his Foreigner/Fourth Lich King incarnation. 217 249
• Purgatory Sword — The only weapon identified as Shirou's genuine Noble Phantasm; used to pierce Gilgamesh. 252
• Deny Truyere — His Noble Phantasm, whose replicas can counter magecraft. 115
• Firearms and Cero rifle — Trained by Kiritsugu in gun use; his family later employs a rifle modified to fire concentrated Cero. 8 178

Relationships

• Kiritsugu Emiya — Adoptive father and magecraft instructor. Shirou inherits Kiritsugu's ideal while pursuing it on his own terms. 1 2 205
• Ilyasviel von Einzbern — Adoptive older sister. Shirou helps rescue her from the Einzberns, and their relationship develops from resistance into close familial affection. 3 8 196
• Aozaki Touko — Magecraft associate and frequent verbal sparring partner. She teaches him about Mystic Eyes, conducts business with him, and remains irritated by his behavior despite their familiarity. 9 12 130
• Fujou Kirie — Companion whom Shirou protects from Souren Araya's influence; she later serves the Emiya Faction with absolute obedience to his orders. 20 135
• Asagami Fujino — Emiya Faction combatant trained in Flash Step and swordsmanship under Shirou's influence. 135
• Caules Forvedge Yggdmillennia — Master during the Great Holy Grail War. Shirou previously taught Caules in another timeline and maintains a teasing but instructive dynamic with him. 50 51 128
• Okita Souji — Shirou's Alter Ego Servant and swordsmanship teacher. She accompanies him through multiple Holy Grail War incidents. 49 57 154
• Enkidu — Servant contracted by Shirou after Enkidu's original Master is killed. Their contract ends when Enkidu is corrupted and defeated. 156 212
• Artoria Pendragon — Saber under Shirou's command during the Fifth Holy Grail War. She trusts his combat ability and later praises his ability as a Master. 163 167 215
• Irisviel von Einzbern — Familial ally whom Shirou summons as Caster and seeks to protect from her fate as a Lesser Holy Grail. 154 246

Story Role / Major Arcs

Einzbern Reclamation

Shirou travels from Japan to Germany to support Kiritsugu's effort to recover Illya. His strength overwhelms Einzbern Combat Homunculi, and his refusal to abandon the Emiya name establishes his loyalty to the family. 3 5

Kanbako City and Clock Tower Conflicts

While seeking help for Illya's shortened lifespan, Shirou meets Touko, becomes involved with Fujino and Kirie, fights Souren Araya, and later defeats the White-Winged Ancestor in Resurrección. The victory gives him the notoriety behind the name Murciélago. 8 20 22 39 130

Great Holy Grail War

Summoned as Caules's Berserker, Shirou rejects the class stereotype through his tactical thinking, magecraft knowledge, and overwhelming firepower. He destroys the Greater Grail, ending the war, after confronting Amakusa Shirou Tokisada. 49 50 66 128

Fifth Holy Grail War

Shirou summons Artoria, contracts Enkidu, and fights multiple Servants directly rather than relying solely on his own Servants. He ultimately uses Unlimited Blade Works against Angra Mainyu while his family advances on the Greater Grail. 163 167 205 215

Foreigner and Lich King Incarnation

During a Fourth Holy Grail War-era scenario, Shirou appears as the Foreigner-class Fourth Lich King. Wielding Frostmourne, he fights Iskandar's army with an undead legion and later battles Gilgamesh through projected Noble Phantasms and Unlimited Blade Works. 217 249 251 252

Culinary Career

After sealing most of his power, Shirou enrolls at Totsuki Academy as a transfer student. He applies superhuman speed, magecraft, and combat-honed precision to cooking competitions, while insisting that an imperfect dish cannot be served. 255 262 300

Notable Quotes

“Without power, there's no victory. Only the victor can keep everything they care about. I don't want to lose anyone important to me.” 2

“My surname is Emiya.” 5

“A replica doesn't have to be inferior to the original!” 41

Trivia

• Shirou wakes at exactly 4:30 each morning for training. 8
• He has an extreme preference for meat and has made tofu and potatoes taste like meat. 8
• He becomes proficient with firearms within half a year of beginning training under Kiritsugu. 8
• He serves as the ace of his school's Kyūdō Club and is considered at least Olympic-level by Mitsuzuri Ayako. 155
• Shirou once used magic during dodgeball and caused substantial collateral damage. 199