She has the power to break through mental shields (opposite of bella's power), and project her visions thoughts into others by making physical contact with them.
the Voltaire wants to kill her at first because they thought she was a child that had been turned into a vampire which are uncontrollable but really she was born half vampire, half human.
Incorporate what? if you mean their selfs then i would say by giving a spice of them self or make their story have some character that relates to them, but then again the story itself is them already.