One of the seven princes of Hell, embodying the sin of wrath, he is a multifaceted character who allies with but also opposes Emilia, creating tension and intrigue throughout the story.

A local monk in Palermo, Antonio initially appears as a peaceful and supportive figure, whose involvement with the main characters unfolds in a surprising manner.

Emilia and Vittoria's maternal grandmother, a shadow witch who mentors them in magic and serves as a protective figure while guarding family secrets.

A witch and friend to Emilia and Vittoria, Claudia practices dark magic and aids Emilia in discovering the truth about her world, illustrating the potential dangers of her magical craft.

The highest-ranking prince of Hell, embodying the sin of pride, whose presence is felt throughout the novel despite not appearing in Emilia's realm.

A prince of Hell who personifies envy, frequently causing trouble for Emilia with his single-minded ambition and treachery.

A ruler of a gambling house in Hell, representing greed, who embodies characteristics such as deceit and temptation.

Emilia's twin sister and a talented witch, whose death deeply impacts the narrative and is explored through Emilia's memories and discoveries.