Sloane might be the most mysterious Sparrow sibling yet, aside from the floating cube, of course. She's described as a "romantic and a dreamer who feels a higher cosmic calling leaving her eager to see the world and experience a life beyond her upbringing." Her familial obligations keep Sloane tethered to the Academy, but so does her fear of crossing the family line. But apparently Sloane has plans and we wonder if the introduction of the Hargreeves will be the catalyst she needs to act on them.