User blog comment:ImperiexSeed/The oldest being, archangel or leviathan?/@comment-79.103.157.220-20151213224431/@comment-26992577-20151213230945

If God gave them this ability to protect them from the Darkness' power negation, then it's possible that the archangels still have it (Why should God remove it after the Darkness was sealed away). Assuming this is the case, the leviathans couldn't hope to ever block their power.