Traditionally, narcissistic characteristics are considered relatively stable, although clinical accounts and recent research show that additional narcissistic states are variable and fluctuate in actuality. Narcissism research tends to focus on cross-sectional, group-based, trait approaches. Momentary ecological assessments allow one to discover individuals' true colors by observing narcissistic experiences while they unfold in real-time and real-world settings. Within momentary ecological assessments, inspecting single cases enables insight into individual dynamics and presentations. Consequently, this research collected grandiose and vulnerable narcissistic trait and state data 10 times a day for 6 days. Based on the highest trait scores, two individual cases are presented per category: predominantly grandiose narcissistic, predominantly vulnerable narcissistic, and combined narcissistic. Overall, the descriptions provide evidence for the dynamics within and between grandiose and vulnerable narcissistic states. Further, broad patterns for each narcissistic dimension were uncovered, in which the grandiose subdimension experienced mainly grandiosity, and the vulnerable and combined subdimensions experienced both grandiosity and vulnerability. Out of the three, the combined subdimension experienced the highest instability and levels of daily vulnerability. However, each individual case showed unique fluctuation patterns that highlight the importance of personalized, real-life assessments in research and clinical care.