She is a self-righteous and dignified woman, With a highly simplistic view of morality. "You, who kill Evil, are Good."

The world of Dualism was born from this simplistic, and child-like, view of morality. Good and Evil are not two sides of a Scale, but are rather two absolutes.

Ahura Mazda...

Angra Mainyu...

There shall be no end to this struggle.

For these two sides of the moral, lies the eternal conflict.  She is the one who values justice. 