In "The Titan's Curse" by Rick Riordan, Percy Jackson strategically assigns Nico, a younger character, to guard duty alongside Beckendorf and the Stoll brothers. This decision is made with the intention of keeping Nico out of harm's way during a perilous situation. Despite Percy's efforts to keep him safe, Nico’s concern leads him to question what is happening, indicating his desire to be involved and help. Nico's eagerness to join Percy reflects his adventurous spirit and highlights his importance within the group. The dynamics of responsibility and care for one another are evident as Percy tries to protect Nico, while Nico's determination to engage demonstrates his bravery and loyalty. Their interaction encapsulates the challenges of leadership and guardianship amidst the ongoing adventure.