How do moments when characters are willing to sacrifice themselves for the greater good affect the stakes of the plot, and how do these decisions shape their relationships with one another?

How does the use of dark magic impact the characters’ moral compass and relationships with others? Is it portrayed as an essential tool for survival or as a dangerous force that must be controlled?

In what ways do the characters’ reactions to the respective bonds that tie them together (whether coven, mate, or death) reflect their views of their own destinies and shape the choices they make?