Heather Johnson, MS on Instagram: "Dr. Ramani Durvasula on malignant narcissism. This type can be significantly destructive. Key features of malignant narcissism Grandiosity – an exaggerated sense of self-importance. Lack of empathy – an inability or unwillingness to understand others’ feelings. Manipulation and deceit – using others for personal gain. Aggression or cruelty – may enjoy controlling, hurting, or dominating others. Paranoia – seeing criticism or threat where there is none. Vindicti