User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-5929284-20130602173247/@comment-3146930-20130602174333

Well the magic of Riptide will return it to Percy's pocket, but we have seen this fail before. I mean in The Sea of Monsters, it didn't go to Percy because Percy's gym shorts didn't have pockets. Also, Terminus was able to prevent it from returning to Percy's pocket, and he is only a very minor god.