She's sociopathic. She will have no moral compunction in doing whatever is in her interests. It's as simple as that.
The character described in the quote exhibits sociopathic tendencies, indicating a lack of moral considerations. This suggests that she will pursue her personal interests relentlessly, regardless of the consequences for others. Her actions are guided solely by self-interest, showcasing a significant detachment from ethical considerations.
This idea raises questions about the nature of morality in human behavior, particularly when someone prioritizes their own needs above societal norms. The author's portrayal of this character invites readers to explore the implications of such a mindset and its effects on interpersonal relationships and social dynamics.