Cas is the romantic male lead, known as “the Dark One” in Solis, with a near-immortal lifespan of around 200 years. He is tall, imposing, and characterized by his golden eyes, reflecting his elemental bloodline and complex past.

Kieran is a wolven, or werewolf-like creature, and serves as Cas’s protector and bonded companion. He is loyal, perceptive, and often uses his dry sense of humor to balance the dynamics between Poppy and Cas.

Alastir is an older, powerful wolven who serves as an advisor to the rulers of Atlantia. He is a complex character with his own agendas, often creating tension and mystery within the story.