User blog comment:ImperiexSeed/The oldest being, archangel or leviathan?/@comment-101.160.191.17-20120522085708/@comment-5110811-20120525144321

Black liquid ooze isn't going to affect an energy being in their true forms. Vessels, sure. Archangels possess far beyond superior grace than angels. Any vessel that isn't their proper chosen one, would rapidly deteriorate at an accelerated rate and explode. Because an archangels essense/grace is immeasurably powerful. Dick Roman and the rest of his high-ranking levis don't have this problem when taking over any vessel. I don't think their black goo poison would work on an archangel. You are forgetting that Archangels are true anomalies compared to angels. The top two, Michael and Lucifer, are so far beyond other angels that the latter don't compare at all. They're barely insects. Mike and Lucy are far more powerful than things that can instantly smite angels like Castiel.