Julia

“They would find this House of Hades. They'd take the Doors of Death. And by the gods, if Leo had to design a grabber arm long enough to snatch Percy and Annabeth out of Tartarus, then that's what he would do.

Nemesis wanted him to wreak vengeance on Gaea? Leo would be happy to oblige. He was going to make Gaea sorry she had ever messed with Leo Valdez.

"Yeah." He took one last look at the cityscape of Rome, turning bloodred in the sunset. "Festus, raise the sails. We've got some friends to save.”
― Rick Riordan, The Mark of Athena

“You promised, Seaweed Brain. We would not get separated! Ever again!”

“You’re impossible!”

“Love you too!”
― Rick Riordan The House of Hades

“Hey.” [Leo] squeezed her hand, though Hazel sensed nothing romantic in the gesture. “Machines are designed to work.”
“Uh, what?”
“I figure the universe is basically like a machine. I don’t know who made it, if it was the Fates, or the gods, or capital-G God, or whatever. But it chugs along the way it’s supposed to most of the time. Sure, little pieces break and stuff goes haywire once in a while, but mostly . . . things happen for a reason. Like you and me meeting.”
“Leo Valdez,” Hazel marveled, “you’re a philosopher.”
― Rick Riordan, The House of Hades

“Piper!” Frank yelled. “Counter those empousai! We need some chaos.”

“Thought you’d never ask.” She started catcalling at the female demons: “Your makeup is smeared! Your friend called you ugly! That one is making a face behind your back!”
― Rick Riordan The House of Hades