"It is not an exact science since the soul is something one cannot measure. At least, not as of the present moment," Alexia began her explaination. It felt strange having to explain at all, since everyone in her world had public knowledge of this.

"Supernaturals are beings in possession of excessive soul. If one took the bite of a vampire or werewolf and they did not have enough soul, they would not survive. The simplest example is ghosts. If a person has an vast amount of soul, it will appear in ghostly form until their body decomposes completely."