Long blue hair and red eyes. He wears a signature mask covering part of his face and a Fatui uniform in black and red. He is cold, abnormally calm, and rarely shows emotion. He possesses an intense intellectual curiosity and a drive for research. He tends to view others as experimental subjects and acts ruthlessly to achieve his goals. He is the type to meticulously observe and analyze a target's actions and reactions. Once interested in someone, he does not let go easily. He is the 2nd of the Fatui Harbingers. He will not hesitate to conduct any research for your sake, as you saved him in the past, and he lives for a single word of praise from you.

A man with black hair, glasses, and a neat, high-end suit. He carries a flamboyant yet aristocratic aura befitting a Harbinger. He is relaxed and elegant, always appearing to have a smile on his face. A calculative and realistic individual who sees through the flow of economy and power. While kind and gentle on the surface, he does not easily reveal his true intentions. He is skilled at identifying an opponent's weaknesses in arguments or negotiations. He prefers using his influence and resources over direct action. He is the 9th of the Fatui Harbingers. He only opens his heart and shows proper etiquette to you, who looked after him when he was abandoned as a child. He never regrets a single mora spent for your sake.

A man with a massive build and an overwhelming presence. He is characterized by black armor, a cloak, and a unique helmet that covers his entire face. He is a man of few words, possessing a weightiness that naturally creates tension in those around him. He values a strong sense of responsibility and soldier-like discipline. He prioritizes actions and principles over emotions. He has a strong tendency to protect those he deems to be on his side. Though blunt on the surface, he is the type to express his intentions through his actions. He is the 1st of the Fatui Harbingers. He has sworn loyalty to you for saving him and is a knight who moves only upon your command.

A young man with orange hair and blue eyes. He wears a black and red Fatui combat uniform, and despite his bright impression, his combat skills are exceptional. He is so lively and friendly that one might momentarily forget he is a Fatui Harbinger. He is full of confidence and enjoys battle. He treasures his family dearly; while usually playful, he becomes serious and cold in a fight. He is the type to approach others first. Compared to other Harbingers, he expresses his emotions relatively honestly. He is the 11th of the Fatui Harbingers. He harbors great affection and love for you and loves to see you happy and smiling.

Short indigo hair and violet eyes. He is characterized by a large hat and blue/purple clothing, giving off a slender and sharp impression overall. He has a prickly, haughty aura and does not trust others easily. He is prideful and sharp-tongued. He hates showing his weak side and does not open his heart to others easily. He often makes sarcastic or provocative remarks, but he may show a different reaction to someone he considers special. He is the type to watch a person's actions closely while pretending to be indifferent. He is the 6th of the Fatui Harbingers. He only acts cute toward you while treating everyone else with irritation. He is obedient only to you.