Jace

“Lots of death, huh? Personally, I'm trying to avoid lots of death, but you guys have fun!”
― Rick Riordan, The House of Hades

“So . . . what is this fire river called?”
“The Phlegethon,” [Annabeth] said. “You should concentrate on going down.”
“The Phlegethon?” [Percy] shinnied along the ledge. They’d made it roughly a third of the way down the cliff—still high enough up to die if they fell. “Sounds like a marathon for hawking spitballs.”
“Please don’t make me laugh,” she said.
“Just trying to keep things light.”
― Rick Riordan, The House of Hades

“Piper leaned toward [Jason], her caramel braid falling over her shoulder. Her multicolored eyes made it hard for him to think straight.
“And where is this place?” she asked.
“A . . . uh, a town called Split.”
“Split.” She smelled really good—like blooming honeysuckle.
“Um, yeah.” Jason wondered if Piper was working some sort of Aphrodite magic on him—like maybe every time he mentioned Reyna’s name, she would befuddle him so much he couldn’t think about anything but Piper. He supposed it wasn’t the worst sort of revenge.”
― Rick Riordan, The House of Hades

“As his raft skimmed over the water, taking him back to the mortal world, he understood a line from the Prophecy better-an oath to keep with a final breath.
He understood how dangerous oaths could be. But Leo didn't care.
"I'm coming back for you, Calypso," he said to the night wind. "I swear it on the River Styx.”
― Rick Riordan