Hassan of Serenity

Hassan of Serenity, Class Name Assassin, is the Assassin-class Servant of Seiji Jinga in the First Holy Grail War of Fate/Prototype: Fragments of Sky Silver. She later forms a new contract with Manaka Sajyou. She is summoned by Ritsuka Fujimaru in the Grand Orders of Fate/Grand Order. An assassin who wears a skull mask. Serenity's appearance is typical of those in her Assassin Order. Like all of the other Hassans, she wears a black, form-fitting outfit and the traditional Hassan's skull mask. Her outfit is very similar to the one worn by Asako of the Hundred-Faced Hassan, her violet-colored h...