The True Reason For It All
"We needed someone that was at the helm of power. But we could not use you, because we knew that Odin with his wisdom will not trust the words that come from your mouth, especially because you have relations with our Regent." Those words made Demeter's eyes wide open in embarrassment.
However, Hera rolled her eyes at her, "Don't worry, We already know about it. Your real body might still be a virgin, but its common knowledge that you experience the joys of the flesh through your avatars."
Perseus interrupted the women as he continued talking. "We had already gotten intel of the happenings of the under world and the shift in the balance of power. Naturally, we knew that the Demons would make another attempt at balancing that power, but it would not be as merciful as the last time, and thus we needed a way to make sure that we are lamps waiting for the slaughter.