User blog comment:Hyperborean/"The House of Hades" – official expectations blog/@comment-4547258-20130218180044/@comment-4531192-20130219224520

The Great Prophecy isn't too hard to introduce in this film, nor is Thalia's tree. All you need is a corny storytelling from say Chiron or Annabeth. I mean the kind where it's dark at night and they say, "Many years ago, there was a prophecy and blah blah..."