Back to Kephissia, to Athens...
_ Are we even sure that the necklace of the Goddess is not so? Just in the shape of a crescent moon?
_ It is known as a full moon. We even have a picture of it, upstairs, drawn by one of the Luna, almost a millennium ago, after seeing it on the neck of the Goddess herself.
_ Why then fragment it into several? Wouldn't it have been simpler to send the whole thing to one person? Me or someone else?
_ Because she knows more about destiny than any of us could ever know, including you, despite your power.
_ But didn't you say that there can't be two Chosen Ones at the same time?
_ Correction, it's more than two Chosen One's that can live at the same time, and until proven otherwise, which I doubt very much, Amy hasn't been with us for a long time.