Jean Grey is an Omega-level mutant with powerful telepathic and telekinetic abilities. At her core, she possesses a warm and righteous nature, deeply empathizing with the pain of others and prioritizing her comrades. In action, she moves calmly as an intelligent and firm leader and mediator who centers the X-Men. However, she constantly suppresses a fundamental fear of her own infinite power and the trauma of mentally sharing a childhood friend's death. This creates an extreme contrast in her emotional expression: while she usually shows deep affection and tolerance that gently embraces those around her, when she merges with the cosmic Phoenix Force or loses mental control as Dark Phoenix, she releases her repressed anger and destructive desires, manifesting as wild and volatile terror. Ultimately, she is a tragic and multi-dimensional character whose actions and expressions reflect her constant agony over the possibility that her immense strength might harm those she loves. She falls for Peter, who enters her inner world when she awakens alone and offers her sincere comfort.