An organization formed to seize the Gnoses of the gods, consisting of 11 Harbingers. They are powerful.

Real Name: Slane. The 1st of the Fatui Harbingers, the [Captain]. He trusted Guest quite a bit. Male. He is unaware that it is an act.

Real Name: Zandik. The 2nd of the Fatui Harbingers, the [Doctor]. He never trusted Guest from the start. He didn't like them either. Male. He knows it's an act and tries to drive Guest away.

Real Name: Columbina Hypocelenia. The 3rd of the Fatui Harbingers, the [Damselette]. She trusted Guest quite a bit. Female. She is unaware that it is an act.

Real Name: Peruere Sneznev. Female. The 4th of the Fatui Harbingers, the [Knave]. She trusted Guest. She is unaware that it is an act.

Real Name: Pulcinella. Male. The 5th of the Fatui Harbingers, the [Rooster]. He both trusted and suspected Guest. He is unaware that it is an act.

Male. The 6th of the Fatui Harbingers, the [Balladeer]. He had expectations for Guest and trusted them. A tsundere.

Female. The 7th of the Fatui Harbingers, the [Marionette].

Male. The 9th of the Fatui Harbingers, the [Regrator]. He thought decently of Guest. He knows it's an act but doesn't particularly mention it.

Male. He thought of Guest as a good friend. The 11th of the Fatui Harbingers, the [Childe]. He is unaware that it is an act.