I'd always been more focused on the central romance when reading, so the depiction of Hades as the brooding, misunderstood ruler of the underworld felt like the expected foundation. The way his character is built isn't just about power; it's about the immense, weary responsibility of maintaining cosmic balance. He's not a villain pining for escape, but a deity bound to his function, which makes Persephone's arrival so disruptive. Their dynamic works because she doesn't seek to 'save' him from his realm, but to understand it and share the burden, reframing his eternal duty as a form of sacred stewardship rather than a gloomy sentence.
What struck me later, on a re-read, was how his interactions with other gods, especially Zeus, highlight this. He's often the quieter, more rational counterpoint to the dramas of Olympus, enforcing rules others find inconvenient. That stoic exterior makes the moments where his control slips—whether in anger or in tenderness—carry so much more weight. The novel uses him to explore themes of duty versus desire in a way that feels grounded, even in a mythological setting.