User blog comment:ImperiexSeed/The oldest being, archangel or leviathan?/@comment-216.10.220.114-20120514052039/@comment-3481504-20120514180541

God kind of sorta deems them useful, in a way; so, if Death killed if the summoned and re-bound him, and he would, God probably would resurrect them.

Somewhere, I can't remember where, its says like God likes Dean.