The quote illustrates Nico di Angelo's unshakable demeanor, even in the face of extreme distraction. The imagery of a goat-hoof dance adds a humorous yet chaotic element, showcasing that no matter how absurd the situation, Nico remains unfazed. This highlights his resilience and strength of character, traits that set him apart from others.
In "The Blood of Olympus," this moment emphasizes Nico's connection to his lineage as the son of Hades. His coolness under pressure reflects a deeper emotional complexity and calmness, suggesting that he has faced many challenges and emerged unbroken. It serves to endear him to readers while enhancing his formidable nature within the narrative.