She is described as always cool and imperturbable with short, mink-coloured hair and eyes that are just a shade or two darker. You couldn't ask her to be creative, her mind doesn't work that way. But on any question of logic, she is unbeatable and has nerves of steel. She is also said to be a superb fighter and an excellent driver.
- Nissa shares her name with Blaise Harman's mother.
- It is unknown whether Nissa is a lamia or made vampire. However, Keller states that she is seventeen years old.