Xitacil was a seventh-generation bloodsucker, and within the Fernandis Family, the highest bloodline belonged to the previous generation of Baron Fernandis, who was hanged to death. He was a fifth-generation bloodsucker.
The power of the previous generation is stronger than that of the next, giving the progenitors a strong dominance over their progeny. This is almost a natural law in the Vampire World.
Karen is a bloodsucker of the same generation as Xitacil, so Tu Shenyi is considered an eighth-generation bloodsucker.
Among the bloodsuckers, different generations have different variations. For instance, the Takizawa Clan's transformed bloodsuckers... Strictly speaking, they should be called blood monsters. Their generations may be lower, but their power is not calculated by generation.
