User blog comment:Ikmeos/Demonic power level, powerful weapons and the primordial siblings./@comment-91.89.184.182-20170227225904/@comment-146.198.136.113-20170228003615

"Before there was light, before there was God and the Archangels, there wasn't nothing.  There was the Darkness, a horribly destructive amoral force that was beaten back by God and His Archangels in a terrible war..."

- Death, Brother's Keeper (10x23)

Yes, I'm pretty sure that this confirms Amara is older than God.

And it also confirms that the Archangels are older and way more powerful than the Leviathans.

Bonus: "I was the beginning and I will be the end. I will be all that there is." - Amara