User blog comment:Zeazea/what if subject./@comment-1745092-20140509145034/@comment-1745092-20140523145126

Well, try reading A Dark Cloud Over The Future, a story that takes place during Battle of the Labyrinth/The Last Olympian and deals with what would have happened if Percy had stayed with Calypso. The consequences are explored in depth, and it might give you some ideas.