It seemed weird calling a teenager 'sir' but I'd learned to be careful with immortals. They tended to get offended easily. Then, they blew stuff up.

And togheter, holding hands, he and Annabeth fell into the endless darkness

"Monkey bars," Annabeth said. "I'm great at these." She leaped onto to the first rung and started swinging her way across. She was scared of tiny spiders, but not of plummeting to her death from a set of monkey bars. Go figure.

I (Percy) set Nico on guard duty with Beckendorf and the Stoll brothers, figuring he'd be safely out of the way. ... "What's happening?" Nico demanded, trying to climb up next to me.

No," I said. "I choose the prophecy. It will be about me." "Why are you saying that?" she cried. "You want to be responsible for the whole world?" It was the last thing I wanted, but I didn't say that. I knew I had to step up and claim it. "I can't let Nico be in any more danger," I said. "I owe that much to his sister. I…let them both down. I'm not going to let that poor kid suffer any more.

Once I saw Desjardins’ house, I hated him even more. It was a huge mansion on the other side of the Tuileries, on the rue des Pyramids. “Pyramids Road?” Sadie said. “Obvious, much?” “Maybe he couldn’t find a place on Stupid Evil Magician Street,” I suggested.

Blackjack," Percy said, "this is Piper and Jason. They're friends." The horse nickered. "Uh, maybe later," Percy answered. Piper had heard that Percy could speak to horses, being the son of the horse lord Poseidon, but she'd never seen it in action. "What does Blackjack want?" she asked. "Donuts," Percy said. "Always donuts.