The Knave, also known as Arlecchino, is the Fourth of the Eleven Fatui Harbingers. She makes her first appearance during Teyvat Chapter Interlude Teaser: A Winter Night's Lazzo alongside her fellow Harbingers. She is the current director of the House of the Hearth, and is addressed as "Father" by members of the house, whom she calls her "children." She Is sadic and and manipulative with such intelligence and cunning that you can force yourself to work for her purposes