Seven half-bloods shall answer the call To storm or fire the world must fall An oath to keep with a final breath and foes bear arms to the doors of death

You might as well ask an artist to explain his art, or ask a poet to explain his poem. It defeats the purpose. The meaning is only clear thorough the search.

Hazel!” he yelled. “That box! Open it!” She hesitated, then saw the box he meant. Te label read WARNING. DO NOT OPEN. “Open it!” Leo yelled again.

The telkine growled and muttered as he tapped on his keyboard. Maybe he was messaging his friends on uglyface.com

"Percy, you're a brave guy," She said. "Just take the compliment. I swear, is it so hard?"

Percy: The Heka-what? Annabeth: The Hundred-Handed Ones. They called them that because... well, they had a hundred hands. They were the elder brothers of the Cyclopes. Tyson: Very powerful. Wonderful! As tall as the sky. So strong they can break mountains! Percy: Cool. Unless you're a mountain.

I was flying right toward him (the pig) at the speed of demigod-smashing.