9 official criteria for NPD*
grandiose sense of self-importance
preoccupation with fantasies of unlimited success, power, brilliance, beauty, or ideal love
belief they’re special and unique and can only be understood by, or should associate with, other special or high-status people or institutions
need for excessive admiration
sense of entitlement
interpersonally exploitative behavior
lack of empathy
envy of others or a belief that others are envious of them
demonstration of arrogant and haughty behaviors or attitudes
*https://www.healthline.com/health/narcissistic-personality-disorder