When the gods have children with mortals, the lives of their offspring is extremely dangerous. The same is said for demons having children with mortals. So what happens when a god has children with the offspring of a demon and a mortal? This question was answered by The Younger Son of Sparda: Dante who ended up having a child who was both a half-blood and a demon hybrid; This is the story of Lux Redgrave, one the other Half-Bloods call "The Silent Inferno".