Christianity vs. Pagan Rome

The central conflict between the emerging Christian faith, embodied by characters like Lygia and Pomponia, and the decadent, cruel pagan Roman Empire under Nero, highlighting the moral and spiritual struggle for dominance.

The introduction frames the entire novel as a depiction of the opening conflict between Christian moral ideas and the Roman Empire, from which Christianity emerged as the leading historical force.

Vinicius confronts the power of Christian faith, which he sees as a rival to Roman military might and pagan values.

Lygia's internal conflict between her love for Christ and her feelings for Vinicius highlights the clash between Christian devotion and pagan desires.