* BloodMagic: One of the ingredients for the creation of human life is "the heart's blood of a maiden".
* BoundAndGagged: Margaret as Haddo prepares to take her blood.
* DepravedDwarf: The assistant to Haddo.
* MadScientist: Haddo.
* VirginSacrifice: "The heart's blood of a maiden" is needed for the creation of human life.