Noire is usually shy, but sometimes she has...
Emotional outbreaks.
She's the daughter of Tharja.
Noire tries to seek approval from her mother due to lack of skill with casting hexes. In the future she was used as a guinea pig for her mother's curses, and has developed a cowardly and negative personality. She has something of a split personality that is more brash and aggressive that she refers to as her "inner demon"; it seems to be a result from a talisman, a gift from her mother from the future to deal with her meek and shy personality.