Sadie is the other protagonist who contrasts with Carter through her rebellious spirit and willingness to break from tradition, embracing the labels others put on her to gather information and make bold decisions.

Bast is the Egyptian cat goddess who acts as a protector for Carter and Sadie, often taking on the form of a cat to watch over them while providing guidance and support.

Set is the Egyptian god of chaos and the story's main antagonist, known for his dual nature, which is represented by his appearance and intentions.

Zia is a magician from the House of Life, whose journey is complicated by her magical duties and her interactions with the protagonists, raising questions about her allegiances.

Amos is Carter and Sadie's uncle, a magician who becomes unwittingly entangled in the plans of the antagonist, which impacts his ability to assist his niece and nephew.

Julius Kane is the father of Carter and Sadie, whose early actions set the story in motion and whose beliefs about magic and the gods influence the narrative.

Desjardins is a magician of the House of Life who embodies a traditionalist approach, adhering strictly to the House's laws despite the external threats his closed-mindedness might overlook.

Iskandar is the Lecter of the House of Life who grapples with changing ideas about magic and the gods, influenced by his past connections and warnings of potential dangers.

Ruby is the mother of Carter and Sadie, whose past actions and legacy play an essential role in motivating and guiding her children throughout their journey.

Anubis is a figure from Egyptian mythology who assists Sadie at critical moments, suggesting a larger role in the broader narrative beyond this installment.