Kai Parker

Charming and unstable, with an unsettling ability to appear normal when the situation demands it. He is a sociopath and is perfectly happy the way he is, and the idea that someone could change him amuses him. He enjoys killing people, despite the fact that other methods of solving problems could be used. He uses the threat of murder to manipulate people and force them to do what he wants. However, after merging with Luke, he gained new emotions and feelings, such as empathy, compassion, and guilt. He felt genuine remorse for killing Luke and the rest of his family, as well as for what he did to Bonnie, and repeatedly tried to make amends with her, but neither she nor his coven were willing to forgive Kai for his actions. After becoming a Heretic, Kai's emotions intensified, including his negative traits: he became more cruel, vengeful, ruthless, and a sociopath with a sadistic sense of humor.