Who is Savannah from No Humans Involved and what is their importance?

Savannah is the daughter of a sorcerer and a half-demon witch, Kristof Nast, and Eve Levine. When she was thirteen she panicked when trying to contact her dead mother and destroyed her house, killing also her father although he pretended he died in a different way. She is working for Paige and Lucas while she decides about her career. She is going to pursue her art in her spare time. Savannah knows that some witches want to be friends with her to win her mother Eve as an ally.