In "The Mark of Athena" by Rick Riordan, the character Leo expresses his feelings of dominance and control through a metaphor when he states, "One basketball to rule them all." This statement reflects Leo's sense of humor as well as his affinity for basketball, linking it to the larger themes of struggle and competition in the story. His light-hearted remark captures a moment of camaraderie among the characters as they navigate their challenges.

The quote emphasizes Leo's personality, showcasing his cleverness and ability to find levity even in serious situations. It connects to the overarching narrative of the heroes’ quest, highlighting the importance of teamwork and the bonds they share. Through such phrases, Riordan adds depth to his characters and illustrates how they cope with their roles in a larger, often perilous adventure.