Shiki

Biodata

Feature	Value
Name	Shiki
Alias(es)	Hōraisan Shiki
Species/Race	Second True Ancestor 253
Gender	Male
Occupation/Role	Student; Magus; martial artist; interdimensional traveler
Status	Active 334
First Appearance	Chapter 1

Power Progression

Stage / Realm / Level	Chapter	Notes
Rainbow Magic Eye revealed	3	Reveals a highest-grade Rainbow Magic Eye, with a green base and red concentric patterns.
Unity of Man and Nature	80	Reaches the pinnacle of martial arts while defeating hundreds of Arisu's familiars.
Third Life Gate	81	Recreates the Eight Gates through magecraft and opens the Third Gate, dramatically raising strength, speed, and endurance.
Fifth Gate of Pain	82	Opens the Fifth Gate to overpower several giant fairytale monsters.
Second Magic-derived perception	112	Ryougi Shiki's gift stabilizes his magical abilities and grants limited perception of parallel worlds.
Deva Path deployment	195	Uses Almighty Push against Bedivere and Ghoul Hassan, then Universal Pull to immobilize Arash.
Chibaku Tensei	230	Forms a black gravitational sphere within a space-time barrier, pulling surrounding matter inward.
Full-power Magic Eye	271	Encloses the Goddess in a force field, seizes control of the Holy Lance, and demonstrates power stated to have surpassed the world.

Background / History

Shiki awakens in an abandoned bar after transmigrating into another world, finding himself younger, physically weakened, and cut off from much of his former capability. He protects a twin-tailed girl from a tentacle monster, defeats the monster through force-field control, and injures its blond controller before leaving the scene. 1

He subsequently merges with his local counterpart and inherits the counterpart's memories. The counterpart had come to Fuyuki City seeking treatment for a mysterious illness. 2 Shiki meets Matou Kariya, identifies the insects destroying Kariya's body, and explains that temporary relief is possible but true freedom requires killing Zouken Matou. 3

Shiki enters the Matou estate with Kariya, exposes Zouken's use of a clone and hidden true body, and kills him by piercing his heart and shattering his soul. He also frees Sakura from Zouken's control. 6 8 In recognition of this help, Kariya transfers his Command Spells to Shiki, allowing him to become Berserker's Master during the Fourth Holy Grail War. 8

After the Fuyuki conflict, Shiki settles in Misaki City, passes his entrance examination, rents a room, and enrolls in Class 1-A. There he meets Aozaki Aoko and becomes drawn to the unusual glow of her red hair. 69 71

Appearance

Shiki is an ordinarily built black-haired, black-eyed boy whose otherwise unremarkable appearance contrasts with his intense vitality and youthful presence. 69 86

• His right eye transforms when his Rainbow Magic Eye is active, becoming green with red, concentric ring-like patterns and multicolored light. 3
• He frequently covers his right eye with an eye patch or bandage, including when his Magic Eye is strained or injured. 31 40 308
• His ordinary appearance can make opponents underestimate him despite his martial ability and magecraft. 34 262

Personality

Shiki is compassionate toward victims of cruelty and control. He risks himself to save strangers, helps Kariya and Sakura escape the Matou family's oppression, and uses Avalon to save Sister Yuika from fatal injuries. 1 8 334 His empathy also extends to artificial humans and experimental subjects, including Mash, Natsusora, and Brigitte. 158 284

He is nevertheless pragmatic about violence. Shiki kills Zouken and Ryunosuke Uryu after judging them to be threats whose continued existence would harm others. 6 15 In battle, he favors deception, careful observation, and exploiting an enemy's mistaken assumptions rather than relying solely on strength. 6 49

Shiki treats even extraordinary beings as people deserving respect. He speaks casually with Ryougi Shiki despite recognizing her as a consciousness derived from the Root, and he seeks her happiness rather than treating her solely as an omnipotent tool. 110 308 His long-term ambition is to change the world and see humanity spread its footsteps among the stars. 87

His protectiveness can become self-sacrificial. He secretly gives Avalon to Aoko during the battle with Ramesses II, leaving himself exposed; Aoko later confronts him for breaking their promise to value their own lives. 220 246

Abilities & Skills

Rainbow Magic Eye

Shiki possesses a Rainbow-grade Magic Eye, a rarity considered near the level of Heroic Spirits in mystery. It originated from the Reincarnation Eye's power and retains mutated versions of the Six Paths abilities. 3 11

• Examines bodies and identifies the insects affecting Kariya. 3
• Repels Zouken's insect swarms and attacks through force-field control. 6
• Hypnotizes crowds to prevent panic and suppresses attention around supernatural incidents. 15 310
• Heals his own injuries and uses the Eye to guide Aoko's attacks through a mental link. 87 194
• Creates force fields capable of restraining enemies and seizing control of the Goddess's Holy Lance. 271
• Sustained overuse damages his eyes and can require medical treatment. 31

Six Paths Techniques

Shiki's Magic Eye retains altered Six Paths powers that manipulate force, attraction, and repulsion. 11 195

• Asura Path — Deflects bullets and Black Keys during his confrontation with Kiritsugu Emiya and Kirei Kotomine. 49
• Deva Path: Almighty Push — Blasts targets away with repulsive force. 195
• Deva Path: Universal Pull — Draws in and immobilizes targets, including Arash in mid-air. 195
• Susanoo / Warrior God — Materializes a powerful defensive construct, though prolonged use places severe strain on Shiki's eyes. 220 222

Eight Gates

Shiki developed a magecraft-based version of the Eight Gates after studying the technique's principles in the Ninja World. It converts life force into magical energy, stimulates the body through his Magic Circuits, and can draw external mana through Unity of Man and Nature. 81

• Enhances physical strength, speed, and endurance beyond normal human limits. 81
• The Third Life Gate provides a major but controlled physical increase. 81
• The Fifth Gate of Pain enables him to crush several giant monsters in rapid succession. 82
• His limited number of Magic Circuits makes physical techniques especially important to his self-preservation. 121
• Excessive use causes severe pain and physical strain. 220

Martial Arts

Shiki is a master martial artist with skills acquired across multiple worlds. He also possesses knowledge of cooking, forging, anatomy, and healing techniques. 3 81

• Defeats hundreds of Arisu's bread familiars through martial arts alone. 80
• Fights effectively against stronger opponents through agility and technique. 34
• Can use improvised weapons, such as a lamppost, against powerful familiars. 81
• His raw physical power was initially inferior to combatants such as Kirei Kotomine. 34

Magecraft and Space-Time Magic

Shiki studies magecraft and can perform both simple spells and high-level magical rituals. 100 230

• Uses a space-time barrier to isolate a ritual area from outside interference. 230 231
• Casts Chibaku Tensei, generating a black sphere that absorbs nearby terrain and debris through gravitational force. 230
• Can detect parallel worlds after receiving Ryougi Shiki's gift. 112
• Possesses enough spiritual and soul-based knowledge to perform conceptual miracles and mental manipulation techniques. 276 277

Avalon

Shiki possesses Avalon, a defensive conceptual armament that can provide extraordinary protection and healing. 220 271 334

• Protects him after Susanoo is destroyed by Excalibur. 271
• Can heal grave injuries, as demonstrated when saving Sister Yuika. 334
• Allows Aoko to enter Shiki's space-time barrier by deploying a dimensional severance barrier of comparable mystery. 231

Equipment / Weapons / Items

• Command Spells — Received from Matou Kariya, establishing Shiki as Berserker's Master. 8
• Arondight: The Lake of Unbroken Light — Lancelot's demonic Noble Phantasm, which Shiki tests after connecting with Berserker. 11
• Magic Dress Gear — Acquires and later brings back numerous examples from America. 1 109 111
• Ancient artifacts — Retrieved with Magic Dress Gear from a pier. 109
• Jianmu / Divine Tree seed — Obtained through a contact in the Heavenly Dynasty for Shiki's research into developing its abilities. 112
• Avalon — A conceptual defensive and healing armament. 220 334
• Holy Lance — Used after the Singularity's conclusion to dismiss the Purification Knights. 300

Relationships

• Matou Kariya — Temporary ally and trusted friend; Shiki relieves his suffering, destroys Zouken, frees Sakura, and receives Kariya's Command Spells. 2 3 6 8
• Lancelot / Berserker / Black Knight — Shiki's Servant in the Fourth Holy Grail War; they train, exchange intelligence, and fight alongside one another. 8 11 31 47
• Aozaki Aoko — Classmate, martial-arts student, and principal combat partner. Their emotional bond deepens through repeated cooperation, though Shiki's secrecy over Avalon creates conflict between them. 69 100 194 195 246
• Kuonji Arisu / Alice — Housemate and powerful witch whose familiars test Shiki's abilities. Their past connection and unresolved feelings shape their conflict. 75 80 81 82
• Justitia von Einzbern — A Saintess whom Shiki previously saved in America; she later transfers into his class and collaborates with him on the Artificial Heroic Spirit project. 100 101 131
• Ryougi Shiki — A Root-derived consciousness who gives Shiki a Second Magic-related gift and later stabilizes the time flow of the FGO universe in exchange for a future favor. 109 111 112 308 309
• Altria / Saber — Shiki frees her from Rongomyniad's possession and remains beside her as emotional support. 277 284
• Mash — Shiki encourages her to embrace her emotions, wishes, and humanity rather than allowing saint-like purity to define her existence. 158
• Sister Yuika — A nun Shiki protects from danger and later heals with Avalon after she is gravely injured. 87 310 334

Story Role / Major Arcs

Fourth Holy Grail War

Shiki enters the Fourth Holy Grail War after aiding Kariya and receiving his Command Spells. As Berserker's Master, he battles Zouken, Uryu, Kiritsugu, Kirei, Rider's forces, and other participants while pursuing greater power and a path toward the Root. 6 8 15 47 49

Misaki City and the Kuonji House

After relocating to Misaki City, Shiki becomes involved with Aoko and Arisu. His confrontation with Arisu's fairytale familiars becomes a major demonstration of his martial growth, culminating in the opening of the Third and Fifth Gates. 69 75 80 81 82

Interdimensional Research

Ryougi Shiki's gift allows Shiki to perceive parallel worlds, leading him to obtain the Jianmu seed and begin planning interdimensional travel. He later helps develop Artificial Heroic Spirit technology with Aoko, Arisu, and Justitia. 112 131

Singularity Conflict

Shiki participates in the Singularity's battles alongside Aoko and Chaldea's forces. He uses coordinated Magic Eye techniques, battles Ramesses II and the Lion King, nearly destroys the world while affected by darkness, and is brought back to himself by Aoko. 194 195 220 230 232 261

Academy City and the King of Knights

After learning of the experiments inflicted on Natsusora and Brigitte, Shiki chooses to confront Academy City's darkness. He later frees Saber from Rongomyniad's influence and remains with her while she recovers from the emotional consequences. 277 284

Notable Quotes

“I will use this power with utmost caution and will never bring you any danger.” 8

“Alice, perhaps after I defeat you, we can sit down and talk properly.” 82

Trivia

• Shiki became interested in martial arts as a child through Heavenly Dynasty kung fu films, Japanese samurai films, and manga. 305
• He was known in elementary school for fighting bullies and helping students from other schools. 305
• He was expelled from a previous school after accumulating absences and disciplinary violations connected to his overly enthusiastic behavior. 123
• He has an interest in distant galaxies and wishes he could observe them through a deep-space telescope. 109