Amitie Florian, also known as the Guardian of Destiny, is a character introduced in Mahô Shôjo Lyrical Nanoha A's PORTABLE -THE GEARS OF DESTINY-. Amitie is hot-blooded, but sometimes her efforts prove futile for her hot-blooded personality. It is revealed in the game that she is an android, in which is important in the plot because it signifies that she is not human. (Source: Nanoha Wiki)
