Of all the people Percy expects to see here, Cassandra is by far the last person on that list. Perhaps because he is still not too sure he didn't die, which would mean --

No, he can't think like that, not when he doesn't have all the facts yet.

Still, that doesn't stop him from freezing up, his face softening before a smile slowly forms. Sister.

"Cass." It's half-whispered, and suddenly it's as if the rest of the ship isn't there and it's just the two of them. "Should I be worried that you're here, too?"