Katherine is described as a manipulative and ruthless person, as she will deceive anyone to get what she wants or for self-preservation. She is a capable manipulator and charmer, being able to manipulate Arcadius and become the queen of hell. She also has a strong hatred of her doppelgänger Elena and has attempted to ruin her life on numerous occasions.

Despite these traits, Katherine has shown genuine affection for others, notably Stefan, and has stated numerous times she loves him. She also h