Chapter two:
Due to her birth, it led to the creation of Oni demons, something that both angels and demons stated that is impossible for someone like Alexandra to create a monster like that.
Alexandra would stay with the Winchesters and Castiel as she masters her powers, in an effort to prove that she is good and not like her father, Michael and to help track Jack. During this time she had formed a brother and sister bond with Sam, developed her daughter and sister bond with Castiel. And later formed a romantic bond with Dean Winchester.