In "The Mark of Athena," Annabeth expresses her frustration at her injured ankle, personifying it by scolding it for its failure. This moment highlights her determination and the challenges she faces in her journey, as physical injuries can hinder progress. The interaction emphasizes her emotional struggle and serves as a reflection of her resilience.

By addressing her ankle as if it could respond, Annabeth demonstrates both her frustration and her sense of humor even in difficult times. This quirky moment adds depth to her character, showcasing her capability to cope with adversity, which is a recurring theme in Rick Riordan's work.