User blog comment:ImperiexSeed/The oldest being, archangel or leviathan?/@comment-76.95.86.12-20120519182004/@comment-31.53.226.53-20120522120930

go watch the season finale. bobby and dean are scoping out the place and its swarming with angels, and crowley sends a huge hoard of demons and the angels are defeated. true its only speculation and im only basing it off deaths comments and the fact leviathans can kill normal angels but its unlikely to be proved as michael and lucifer aren't going anywhere. i just feel that due to their advanced age and potential they shouldn't be underestimated. and no you're right no demon would fight an archangel, i was simply pointing out that even though usuallu one angel is far more powerful than one demon, huge numbers of demons can over power angels, so its possible the same would work for archangels and leviathans as there are two archangels and at least a couple hundred leviathans.