Nico observes Percy Jackson intently, noticing the details of his appearance, such as his sea-green eyes, charming grin, and tousled black hair. In that moment, Percy transitions from being a legendary hero to just an ordinary person.
This realization shifts Nico's perspective, making Percy seem less like an idol or a figure to admire romantically, and more like a relatable individual. It underscores the theme of friendship and connection beyond myths and legends.