Luna

“The truth hit him. Jason wasn't quite Roman anymore. His time at Camp Half-Blood had changed him. Reyna had recognized that. Apparently, so did the undead legionnaires. If Jason no longer gave off the right sort of vibe, or aura of a Roman leader...”
― Rick Riordan, The House of Hades

“But in his heart, he wanted to be at Camp Half-Blood. The months he'd spent there with Piper and Leo had felt more satisfying, more right than all his years at Camp Jupiter. Besides, at Camp Half-Blood, there was at least a chance he might meet his father someday. The gods hardly ever stopped by Camp Jupiter to say hello.”
― Rick Riordan, The House of Hades

“Very good, Jason Grace," Notus said. "You are a son of Jupiter, yet you have chosen your own path- as all the greatest demigods have done before you. You cannot control your parentage, but you can choose your legacy.”
― Rick Riordan, The House of Hades

“Jason always tried to build a good relationship with his team. He'd learned the hard way that if somebody was going to have your back in a fight, it was better if you found some common ground and trusted each other. But Nico wasn't easy to figure out.”
― Rick Riordan, The House of Hades