In this excerpt from "The Mark of Athena," Leo Valdez is determined to rescue his friends, Percy and Annabeth, who are trapped in Tartarus. His resolve is unwavering; he plans to locate the House of Hades and utilize the Doors of Death to achieve their safety. With fierce dedication, he thinks about creating an innovative device to reach them, showcasing his ingenuity and commitment to his friends.

Leo also acknowledges Nemesis's expectations for him to enact revenge on Gaea, and he finds motivation in this challenge. As he gazes at the dramatic sunset over Rome, he braces himself for the mission ahead, ready to confront any obstacle. His call to action indicates his readiness and willingness to go to great lengths for those he cares about, reflecting the themes of friendship and heroism in the story.