"Opal" by Jennifer L. Armentrout continues the thrilling saga centered around Kat and Daemon, characters who navigate the complexities of love and danger in a world filled with alien beings. The bond between Kat and Daemon grows deeper as they confront the challenges posed by their enemies and their own feelings for each other. Their relationship is marked by moments of intense emotion and vulnerability, highlighting the struggles they face together. An important quote that encapsulates Daemon's unwavering affection for Kat is: "I love you Kat, always have and always will." This declaration speaks to the enduring nature of his love and the commitment he feels toward her, reinforcing the theme of love as a powerful force that persists despite external threats and personal trials. Their relationship serves as a central pillar in the narrative, showcasing how love can be both a source of strength and a source of conflict.

"I love you Kat, always have and always will - Daemon."

In the book "Opal," this quote embodies the profound connection between Kat and Daemon as they face their destiny together.