The character rejects conventional society to wander, highlighting individualism, freedom, and the rejection of ego, according to study guides on literature archetypes.

The series constantly challenges the notion of strength, proposing that "the strong are always kind," as noted by Goodreads. It emphasizes that life’s value lies in understanding one’s own heart rather than merely cutting down opponents.

Musashi learns that he is not a solitary force but part of an infinite web of life. He moves away from the ego-driven desire to be "the best" towards being "in harmony with the universe".