Irisviel

Biodata

Feature	Value
Name	Irisviel
Alias(es)	Airi
Species/Race	Homunculus / artificial human
Gender	Female
Affiliation	Einzbern family
Occupation/Role	Master in the Holy Grail War; vessel for the Holy Grail / Lesser Grail
Status	Alive; later leaves the Holy Grail War setting for Tokyo
First Appearance	104

Background / History

Irisviel was created by the Einzbern family as an artificial human and raised within Einzbern Castle. Justeaze von Einzbern calls himself her creator, while Yubis directs her conduct toward Lan Ze after his summoning. Her intended purpose was to serve as the Holy Grail’s wish-granting vessel by collecting the mana and souls of fallen Servants. 104 139

Having been unable to freely leave the castle, Irisviel initially has little experience of the outside world. Her first trip through Fuyuki leaves her delighted by ordinary shops and streets; Lan Ze’s offer to take her shopping plants in her the desire for freedom. 106

She later reveals that Illya was created from her vital blood as a spare Lesser Grail capable of collecting Servant souls. Irisviel did not know of Illya’s existence until she began dreaming of a little girl, but she accepts the child as her daughter and wishes to meet her. 141 169 170

Appearance

Irisviel is a silver-haired woman with red eyes, pale skin, and a gentle, elegant bearing. She is often described as delicate and mature, though her excitement over unfamiliar experiences can make her seem childlike. 104 106 192

• Long silver hair, sometimes falling over her neck or face. 106 109
• Red eyes noted for their tenderness. 137
• Usually wears white clothing, including a thin white slip dress; she later wears a red dress and Ryougi Shiki’s pink kimono. 114 117 138
• Her resemblance to Illya is pronounced; Illya is described as a miniature version of her. 141 192

Personality

Initially, Irisviel is respectful, gentle, and trusting toward Lan Ze, treating him as a king rather than merely a Servant under instructions from the Einzbern family. She readily follows his plans, including his attempt to secure Command Spells at the Holy Church. 104 106

Her sheltered upbringing leaves her naïve about the outside world, but she is intelligent and attentive. She assists Lan Ze’s research into the Jewel Sword, deduces that Matou Sakura’s altered state may be responsible for a magical influence on her, and later uses diplomacy to defuse tensions among Lan Ze’s companions. 113 114 123 154

As she develops personal desires, Irisviel becomes increasingly assertive, playful, and jealous. She uses Command Spells for intimate purposes, insists that Lan Ze is more than her Servant, refuses to abandon him after their contract is disrupted, and eventually binds him with Silver Thread Eagle while asking for exclusivity. 114 131 138 173

Abilities & Skills

Homunculus Physiology

As an artificial human, Irisviel does not require normal rest and is unaffected by temperature in the usual manner. 113

• Created by the Einzbern family for the Holy Grail War. 104
• Can provide Lan Ze with magical energy. 113
• Is able to sense a Servant summoned for the Holy Grail War even when that Servant conceals their aura. 138

Command Spells

Irisviel possesses Command Spells as Lan Ze’s Master.

• Uses one Command Spell to force Lan Ze to remain in bed, testing its effectiveness. 114
• Uses Command Spells again while affected by a love spell cast through Matou Sakura’s possession, though she remains mentally self-aware and insists that she knows what she is doing. 123
• Attempts to use her remaining Command Spell to re-sign a contract with Lan Ze, but the Black Mud prevents the ritual from succeeding. 138

Silver Thread Eagle

Silver Thread Eagle is Irisviel’s binding Magic, described by her as an alchemical product. 173

• Creates animated silver threads controlled through her fingertips. 173
• Used to bind Lan Ze when she expresses jealousy and asks him to cooperate with her. 173
• Irisviel seeks Scathach’s help to strengthen this Magic. 173

Holy Grail Vessel

Irisviel is the Holy Grail’s wish-granting machine for her war, intended to collect the mana of fallen Servants. 139

• Her role would place her life at risk once the Holy Grail War concludes. 139
• Lan Ze resolves to save her by modifying the Grail system and creating a replacement soul-collection mechanism. 139 143
• She accompanies him to Mount Enzou to support this plan despite the danger. 144

Equipment / Items

• Command Spells — Master’s seals used to compel or empower her Servant. 114 138
• Silver Thread Eagle — Alchemical binding Magic manifested as silver threads. 173

Relationships

• Lan Ze / King Arthur / Saber / Caster — Her summoned Servant and later lover. Irisviel trusts him from their first meeting, wants him to take her away after the war, and remains determined not to give him up. 104 106 110 131 139
• Justeaze von Einzbern — Her creator, who instructs her to explain the Holy Grail War to Lan Ze. 104
• Yubis — Einzbern caretaker who oversees the castle and reveals Illya’s role as a spare Lesser Grail. 105 141
• Illya — Her daughter in a theoretical sense, created from Irisviel’s vital blood. Their connection manifests through shared dreams and memories. 141 169 179
• Ryougi Shiki — A romantic rival and fellow “tool” created for a purpose. Shiki recognizes Irisviel’s determination to keep Lan Ze, while Irisviel remains considerate toward her. 135 138
• Tiamat — Irisviel calls her “Mother” and treats her with reverence. Tiamat comes to view Irisviel favorably after Irisviel mediates conflict. 133 154
• Sajyou Manaka — Irisviel maintains a cordial relationship with her through patient, normal conversation; Manaka develops a favorable impression of Irisviel. 154 162 168
• Scathach — Irisviel seeks her advice and assistance in strengthening Silver Thread Eagle. 172 173
• Ereshkigal — Ereshkigal is jealous of Irisviel’s closeness to Lan Ze, while Irisviel finds the goddess difficult to approach. 144 173

Story Role / Major Arcs

Fourth Holy Grail War

Irisviel becomes Lan Ze’s Master after the Einzbern family summons him. Though initially expected to help secure victory for the family, she quickly forms a trusting bond with him and begins experiencing freedom outside the castle. 104 106

She supports Lan Ze’s investigation of the Holy Church, the attack on Kotomine Risei, the Assassin infiltration of Einzbern Castle, and the search for information on the Jewel Sword. 109 111 113 114

Contract Crisis and Holy Grail Revelation

After the Black Mud interferes with Lan Ze’s Servant status, Irisviel attempts to form a new contract with him. When this fails, she reveals that she herself is the Holy Grail vessel. Lan Ze promises to save her rather than allow her to be consumed by the war’s intended conclusion. 138 139

She supports Lan Ze’s plan to alter the Grail’s rules, accompanies him to Mount Enzou, and trusts his efforts to find a replacement for both herself and Illya. 141 143 144

Life in Tokyo

Irisviel discovers a system option allowing her to log out of the Holy Grail War setting and arrives in Lan Ze’s Tokyo apartment. She chooses to remain there, avoids prying into his complicated relationships, and earns the goodwill of Sajyou Manaka through her tactful manner. 158 162

Although she is content with her new life, Irisviel struggles with jealousy over Lan Ze’s other companions. She eventually admits this directly and uses Silver Thread Eagle to bind him. 173

Trivia

• Irisviel’s first outing beyond Einzbern Castle is treated as a significant personal milestone. 106
• She is capable of being mischievous despite her gentle first impression, including teasing Lan Ze and deliberately using Command Spells outside combat. 114 119
• Illya’s dreams preserve memories of Irisviel’s experiences during the earlier Holy Grail War. 179