Female Assassin
This female persona of the Assassin-class Servant Hassan of the Hundred Faces appears in Fate/Zero and Fate/Grand Order. Functioning as the primary spokesperson and coordinator for the collective entity's numerous personalities during the Fourth Holy Grail War, she acts as the key operative and trusted assistant for her Master, Kirei Kotomine.
Overview
This female persona of the Assassin-class Servant Hassan of the Hundred Faces appears in Fate/Zero and Fate/Grand Order. Functioning as the primary spokesperson and coordinator for the collective entity's numerous personalities during the Fourth Holy Grail War, she acts as the key operative and trusted assistant for her Master, Kirei Kotomine.
Appearance
She is characterized by a long ponytail, toned muscular build, dark or greyish skin, and a distinct skull-shaped mask that hides her face. Her attire consists of a revealing outfit designed for veil dancing, reminiscent of a Brazilian bikini. Material illustrations reveal a beautiful face beneath the mask with a glowing red right eye.
Personality
While she maintains a serious, stoic, and highly disciplined demeanor during stealth operations, she possesses a hot-tempered and competitive spirit underneath. Despite her cool image, she easily becomes flustered and displays childish tsundere tendencies when challenged. She also exhibits a protective, big-sisterly side toward younger or weaker personalities among the collective.
Abilities
She possesses a high rank in Information Erasure/Presence Concealment, allowing near-perfect stealth until offensive action is taken. Her Noble Phantasm, Zabaniya: Delusional Illusion, permits the entity to divide its spiritual potential and physically manifest up to 80 independent Servant bodies simultaneously. She can recall stored memories effortlessly and alternate personalities to access 32 specialized skills, including assassination, tactics, and deception.
Background
In life, this Hassan-i Sabbah was an individual with multiple personalities who served as a leader of the Order of Assassins. Summond in the Fourth Holy Grail War, the entity faked early elimination using a disposable persona, after which this female personality led the remaining bodies in covert intelligence gathering. During an assault on the Einzbern stronghold, she mobilized her multiple bodies to target enemy Masters directly, ultimately being overwhelmed by a massive Reality Marble.
Relationships
She serves Kirei Kotomine with absolute loyalty as her Master and holds the King of Combat/First Hassan in high regard as her superior. Within the collective, she acts as a leader figure to fellow personalities such as Zayd and cares for Chibi Assassin. In later events, she interacts with Master Ritsuka Fujimaru and Zhuge Liang.
Trivia
Originally fan-nicknamed Asako, this moniker became official after being used in the Hanafuda minigame side story. Her canonical Servant title in Japanese was initially phrased as Hassan of the Hundred Faces using full kanji phrasing, but was later updated in Fate/Grand Order to align with the standardized two-kanji naming convention used for other Hassan Servants.
