Omnipotence is a defense mechanism in which certainty, superiority, or control protects against experiences such as helplessness, shame, and dependence. It is not the same as confidence, leadership, narcissistic grandiosity, or a psychiatric diagnosis. This article examines its psychoanalytic origins, everyday expressions, interpersonal costs, and the movement toward grounded agency—a form of strength that remains open to evidence, correction, and mutual relationships.