Farangis is a central character in The Heroic Legend of Arslan who serves as a priestess of the Temple of Mithra and later becomes one of the Sixteen Guardian Generals serving Prince Arslan. Her name originates from Middle Persian, meaning beloved by all. In the anime Dust Storm Dance, she is a warrior-priestess in her early twenties who possesses strikingly beautiful features, including long black hair and green eyes that are often compared to jewels, and she is typically seen wearing a distinctive white outfit with a hooded cape. Her appearance has been noted as being so exceptional that the wandering musician Gieve falls deeply in love with her upon their first meeting.

Personality wise, Farangis is characterized by a cool-headed, rational, and candid demeanor. She is highly perceptive and values fairness, rationality, and harmony in both the human and spiritual worlds. Despite her cold and formal exterior, she possesses a strong sense of duty and is deeply loyal to those she respects. She is acutely aware of her own beauty but takes no particular pride in it, and she has little patience for those who are shallow or driven solely by desire. This is particularly evident in her interactions with male characters such as Gieve and Kubard, who repeatedly try to woo her, only to be firmly rejected or metaphorically stomped on for their advances.

Motivations for Farangis are rooted in both duty and personal conviction. A prophecy made on the day of Arslan's birth stated that a priestess of Mithra would be ordained as the prince's guardian, and Farangis was chosen for this role. While she suspects she was formally dismissed from her temple due to the jealousy of other priestesses over her beauty, she remains dedicated to her mission. She is also driven by a personal disdain for the practices of the invading Lusitanian forces, particularly their forced conversion to their faith, and she sees it as her duty to expel them from Pars. Initially, her loyalty to Arslan is a matter of divine mission, but through his fair judgments and kind nature, her allegiance becomes genuine as she grows accustomed to his way of thinking.

Within the story, Farangis plays a crucial role as a protector and a spiritually gifted warrior. She joins Arslan's party during the chaos following the Battle of Atropatene, formally introducing herself after helping to rescue the prince from the forces of the traitorous general Kharlan. In the group, she often serves as a spiritual guide due to her ability to communicate with spirits, and she acts as a formidable fighter who uses her archery skills to eliminate threats. She also adopts a protective, sisterly role towards the younger and more impulsive female warrior Alfreed.

Key relationships define much of her role in the narrative. Her bond with Prince Arslan evolves from a formal obligation to a genuine belief in his leadership and a desire to restore him to the throne. Her relationship with Gieve is one of the most prominent, as he is persistently infatuated with her beauty while she remains indifferent and often annoyed by his frivolous personality. Farangis also harbors a significant and tragic past relationship with a man named Eagleelus, also known as Iglis. He was once her beloved but fell into darkness, becoming a corrupt magician, and perished before the main events of the story. This loss still affects her and is a key reason for her emotional distance from other suitors.

Development is subtle for Farangis, as she is already a highly competent and composed individual when introduced. Her primary arc involves a gradual warming of her icy exterior, moving from a lone agent fulfilling a prophecy to a committed member of Arslan's found family. She represents a philosophical perspective within the group, often commenting on the nature of kingship and justice, such as her belief that a king must strive for perfection even if it is unattainable, lest he tumble toward evil. Her experiences in the war, including the death of her former lover, have shaped her into a person who values rationality over emotion in most situations.

In terms of notable abilities, Farangis is an exceptional archer, often called a goddess of the bow, and wields the Bow of Mithra in combat. She also carries a crystal flute or a whistle, which she uses to communicate with nature spirits and djinn. Through this communication, she can gather intelligence on enemy movements, sense hidden threats, and determine the truth of a person's heart. In battle, she can summon these spirits to attack her enemies, fire arrows of pure energy, and perform other wind-based magical attacks. While she views battle as a necessary evil required to restore peace to her homeland, she does not hesitate to take up arms against any who threaten her allies or her mission.