User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-10867502-20130719155758/@comment-6068707-20130719161922

You fogot percy he could die too.

Or it could mean that they could destroy the world. This one is very hard to interperate.

Its funny because the first Great Prophecy was kinda simple. even if you didn't read through the entire book you could've known that Luke was the one that was going to die. Unless you thought it ended in the Last Olympian.