The character in "The Titan's Curse" by Rick Riordan experiences an overwhelming physical pain, describing it as feeling like an immense weight pressing down on him, comparable to being crushed by numerous trucks. This vivid imagery illustrates the intensity of the suffering he endures, painting a picture of his struggle against an almost unbearable force. Despite the urge to succumb to the pain and lose consciousness, he fights back by focusing on his breathing.

This moment highlights a theme of resilience in the face of adversity, where the protagonist must confront not only physical challenges but also the mental battle of maintaining composure. The act of breathing deeply symbolizes a fight against the pain, showcasing a moment of strength even in the darkest times. It emphasizes the character’s determination to persevere, a common motif found throughout Riordan's works.