User blog comment:Andraaw/Will the world end in Heroes of Olympus?/@comment-4519810-20120131035052/@comment-67.164.26.150-20120209050229

I think Annabeth will be controled by Gaea, and Percy will have to let her die. Mars said that Percy will face a sacrafice he can't make and Frank will have to help him. I think Annabeth is that sacrafice. Annabeth might also be how Gaea expects to control Percy.