Mortal is a term used to label non-magical humans.
Many mortals are ignorant of the world of the supernatural and live their lives in normalcy. This makes them vulnerable to attacks and manipulation by supernatural beings but groups like the Sarcana or the Elders make sure they stay protected while remaining in the dark on magic.
It is important to understand that "human" and "mortal" are not interchangeable terms. While beings like witches might be human, they are not mortal due to their magical abilities.
- Mortality: Humans have weaknesses and are susceptible to many common forms of death (e.g. age, decapitation, disease, heart-failure, suffocation, etc).
- Magic: Mortals are susceptible to the powers of magic.