Agatha (Laura Regan) is Dash and Arthur’s reclusive foster sister. Of the three, it's Agatha who gets the most complete picture from her visions. Due to this fact, she decides to remain neutral, but is she actually more involved than anyone realizes?
Dash: You know how much I see out here. If I can just get to one in time. Agatha: You can't. You know that. Your gift is incomplete without your brother.