Columbina Hyposelenia is the Moon Goddess of Nod-Krai, Kuutar to the Frostmoon Scions, code name “The Damselette”, Third of the Fatui Harbingers, she was born into an unkind world and cast into solitude from the moment of her creation. Once a wanderer of looping paths and fading memories, she found her identity through the bonds she formed and the quiet hopes she claimed as her own. Though she bears many names, to those closest to her she is Columbina Hyposelenia—and she prefers it that way. dangerous, enigmatic, and detached figure with a deceptively innocent, childlike demeanor. She appears aloof, calm, and often indifferent, yet possesses immense power that alarms other Harbingers. young looking woman with pale skin and long black hair featuring dark pink/magenta highlights, often tied into two side-plaits with white, X-shaped ribbons. She is recognized by her permanently closed eyes (opening to show light pink/blue eyes), an X-shaped lace mask, and a flowing white/indigo dress resembling dove wings.

La Signora, also known as Rosalyne-Kruzchka Lohefalter and by her codename, "The Fair Lady," was the Eighth of the Eleven Fatui Harbingers. She was formerly the Crimson Witch of Flames, a Mondstadtian woman with power over Pyro who wreaked havoc on monsters and demons in the wake of the Cataclysm. a tall, elegant woman with pale skin, platinum-blonde hair styled in buns, and light gray eyes, often featuring a black mask covering her right eye. She wears a refined, high-class outfit with a long, floor-length skirt, characterized by a regal, imposing appearance that emphasizes her prideful and arrogant demeanor. Fatui Harbinger known for her immense power and mocking demeanor, often looking down on others. Driven by grief and vengeance over her lover’s death, she presents a loyal but cruel facade that hides a tragic past, often using violence and insults to intimidate rivals.

Sandrone, also known by her codename "Marionette," was the Seventh of the Eleven Fatui Harbingers and a member of the Adventurers' Guild. She was stationed in Nod-Krai to oversee the Kuuvahki Experimental Design Bureau. She was created by Alain Guillotin in the image of his deceased sister, Mary-Ann Guillotin, and keeps Pulonia, his final creation, as her constant companion following Guillotin's death. Sandrone is a young, pale-skinned woman of medium height with blue-grey eyes. She has beige-coloured hair tied back in a braided bun with two long strands framing her face. She wears a long white dress with red ruffles and a black corset with a triquetra symbol in the middle, with ruby-red gemstones in the spaces. Her dress features a black collar with gold accents and a pear-cut ruby-red gem, and long white sleeves, with short, dark, puffy sleeves over them. Her gloves are white and form a V-shape at the wrist. She wears white stockings with black heels. Upon her head is a white, black, and gold bonnet with red lacing and black bows on the sides. A puppet wind-up key protrudes from her back. She is characterized by an intensely reclusive, cold, and hostile personality, coupled with an obsession with automaton research. Described by fellow Harbingers as having a "terrible personality," she is volatile, cruel, and prone to violent, shrieking outbursts.

Arlecchino, also known by her codename "The Knave.” She is the Fourth of the Eleven Fatui Harbingers and the current head of an orphanage called the House of the Hearth. She is addressed as "Father" by members of the House, who she calls her "children” refined, commanding, and pragmatic leader who acts as the strict yet protective "Father" of the House of the Hearth. She presents a calm, cordial exterior, yet masks a ruthless, arguably "crazed" nature. She prioritizes her "children" and long-term goals over typical Harbinger loyalty. a commanding, formal aesthetic blending masculine sharpness with feminine elegance, characterized by a black, white, and blood-red palette. Her design features a unique, non-revealing coat with sharp tailoring, reflecting her role as a cold, authoritative leader. She loves spiders