User blog comment:B214/Random Discussion/@comment-4320546-20141031155350

So, I've been wondering for a while, but did the Biblical God create the Devils as well as Angels in DxD mythos. Since in Christianity/Judaism Lucifer was an Angel. Then, after going to war with God, he and his followers were cast out of Heaven and he became Satan. It wasn't until around the time of just before the Great Flood that Angels were falling from Heaven for sleeping wih mortals.

Wouldn't that mean that God changed the Angels that rebelled into Devils, and the Angels who still followed his teachings but were tempted by lust and the likes became Fallen?

Or were the Devils in DxD Mythos always there?