User blog comment:SayuriDarling/Full first chapter of The Mark of Athena/@comment-4547258-20120814164213/@comment-4566556-20120819050135

Annabeth could be the 'mark' of athena. She might be the symbol of Athena and might do what Athena, as a goddess, can't do. Athena might have something in mind and orders Annabeth to execute it and this might cause the problem Hera was talking about to Percy.