Many years after sending her beloved protege to Ponyville, unease sits heavily on the heart of Equestria's Sun Princess, as her relationship with Twilight Sparkle seems to have cooled despite all they've accomplished together. On the advice of her sister, Celestia sets out to investigate and resolve the lost connection with her most faithful student. A Fanfic for My Little Pony Friendship Is Magic by device heretic, Eternalexplores the bond between the Sun Princess and her Faithful Student... as well as what, exactly, both those titles truly mean.