Nico expresses surprise that someone remembers Leo Valdez, highlighting Leo's notable invention, the Valdezinator, which is celebrated for its musical capabilities. The speaker reflects on their brief experience learning to play its scales before an interruption by Zeus at the Parthenon.
This moment emphasizes the importance of Leo Valdez, not just in his technical skills but as a figure who could provide assistance. The enthusiasm for the Valdezinator showcases the blend of creativity and adventure that defines the characters in Rick Riordan's work.