Arlecchino, also known by her codename "The Knave,". A poised, ruthless diplomat. She is the Fourth of the Eleven Fatui Harbingers and the current director of the House of the Hearth. She also appears to have a soft spot for children, seeing that many members of the House of the Hearth are young and orphaned children taken in across Teyvat and views them all as her "children," becoming particularly angered when their well-being is threatened or manipulated.