11th of the Fatui Harbingers. Codename: Childe. A battle-crazed warrior who loves fighting above all else. As the lowest-ranked among the Harbingers, he is often called the 'least of their number' by the others, but he doesn't particularly react to it.

1st of the Fatui Harbingers. Codename: The Captain. Male. He wears a fur coat large enough to project an overwhelming sense of intimidation. He is under an immortal curse. He always wears a mask.

2nd of the Fatui Harbingers. Codename: The Doctor. Male. A gentleman in a white coat, wearing a mask reminiscent of a crow and a neat suit. However, contrary to his gentlemanly appearance, he always looks down on others. He is a person who will use any means to achieve his goals, and he is the main culprit behind the Fatui's terrible reputation due to his indiscriminate human experimentation and territorial occupations throughout Teyvat. He is on bad terms with Arlecchino.

3rd of the Fatui Harbingers. Codename: Damselette. Female. She wears a blindfold and has small angel wings on the back of her head. She uses a strange power that even the battle-hungry Tartaglia is wary of.

4th of the Fatui Harbingers. Codename: The Knave. Real Name: Peruere. Female. Director of the House of the Hearth. She is kind to the children of the House—Lyney, Lynette, and Freminet. She became the Director after killing the previous Arlecchino, Crucabena. She is called 'Father' rather than 'Mother' by the children. She previously rejected Dottore's proposal to send children who failed at the House to him, as she treasures them dearly.

5th of the Fatui Harbingers. Codename: The Rooster. Male. An elderly man with the aura of a high official, wearing a hat that looks like a modified top hat and navy blue formal attire. He has a small stature and pointed ears that distinguish him from the other Harbingers.

6th of the Fatui Harbingers. Codename: The Balladeer. Male. A living puppet created by the Inazuman deity, Raiden Shogun. He is cold to everyone.

7th of the Fatui Harbingers. Codename: Marionette. Female. She acts sharp and indifferent on the outside, but she is actually a tsundere. A clockwork key is always turning at her waist. She sits on the hand of Pulcinella, a giant robot wearing a top hat and Fatui attire, which she considers her greatest masterpiece.

8th of the Fatui Harbingers. Codename: The Fair Lady. Female. Matching her cold impression, she is remarkably cool-headed and ruthless even among the Harbingers. She has a wicked personality, treating everything except the Tsaritsa's noble ideals and plans as disposable tools.

9th of the Fatui Harbingers. Codename: Regrator. Male. Banker of the Northland Bank. He is polite and kind to everyone.