Roshan is the mentor of Basim in Assassin's Creed Mirage.
Roshan is a senior member of the Hidden Ones who recruits Basim after finding him in ninth-century Baghdad. She recognizes his potential and brings him to the Hidden Ones' fortress at Alamut, where he begins formal training and learns the order's methods.
Mirage is set primarily in Baghdad during the Islamic Golden Age, with the story unfolding in the year 861. Roshan serves as Basim's instructor and a major authority within the organization, while also challenging his impulsive behavior and personal ambitions.
Roshan is distinct from historical or legendary figures such as Altaïr and Ezio, who belong to other periods of the franchise. She is also not Basim's modern-day colleague; the game focuses almost entirely on his historical journey before his later role in Assassin's Creed Valhalla.