The ennemy, epidemie from Alvent in Dark

"Today she is our enemy, but before she was our protector"
Humans was desperate and only desire kindness when three god fell on the Earth. So one of these divine entities, a goddess, offers her protections and wear the appearance of a mortal woman. Her personality changes according of people she meets around the world .... Today she become a threat and enemy of humanity and yet she still represents the mood of humanity.
How has the world evolved so that she has become a terrible enemy today ?