In the novel, Black illustrates Oak’s relationship to The Exploration of Identity and Self-Discovery through his power. From an early age, Oak is defined by his charm—both in the literal and figurative sense. Unlike the brute strength or overt magic used by other characters, his power operates through subtlety. His gancanagh heritage, inherited from his mother, Liriope, grants him an innate ability to influence others by swaying emotions, bending wills, and planting desires in the minds of those around him by telling them precisely what they want to hear. 

The ability, while seemingly advantageous, is a source of deep anxiety and self-doubt for Oak, representing his relationship to his identity. It is the tension between who Oak truly is and who he appears to be. As his gift is inherently tied to persuasion and emotional manipulation, it raises the question of the authenticity of his interactions with others, even to himself. If he can compel someone to love or trust him, he cannot be certain which emotions are real. In the flashbacks to his childhood, Oriana warns him about losing himself to it: “You can make people see you the way they want to see you.