User blog comment:HollowAvarice/The Seven Half-Bloods/@comment-112.198.64.36-20110527071426/@comment-3146930-20110702124601

She volunteered to help find Percy, but the Argo II is going to be used throughout the series most likely and if the Great Prophecy wont unfold until the 5th book, then anyone could be on that ship during that time