Castlevania is a web series that is based on Konagi's 1989 video game Castlevania III: Dracula's Curse. Warren Ellis, the best-selling author, wrote it. Trevor Belmont is at the heart of the plot, defending the nation of Wallachia from Dracula and his minions. He is the sole survivor of the Belmont family. The bereaved Dracula seeks vengeance on humanity for the death of his wife.