Planet Kyla is ruled by the Darkness Court because is a world where night is eternal. The supreme power is the Dark Fae Queen and under her, there are four Archdukes. Nightshade, Shadowmourne, Duskfall, and Blackthorn. In the last great war, the four Archdukes and their Queen of all darkness perished against their enemies. The four Archdukes had heirs, so Sanguin, Noctis, Dante, and Lucien took over their responsibilities but the Queen had no heir.