User blog comment:ImperiexSeed/The oldest being, archangel or leviathan?/@comment-5619706-20121108182206/@comment-1509826-20121203223138

Hold on, all Cass says is Metaron was writting during creation, he never specifically says creation of the leviathans, for all we know he ment the creation of Earth or Angels (regular ones not Archangels) which personally I think was more likely, because if I was to say just creation I would mean my own creation, the point is its to broad to determine, and i value Deaths word over Castiel's any day, considering he was the only one of them that was there, while the others heard it from second hand sources.