After a bunch of attempts to locate a youtube video for reference and failing I'll just...blurt words at you instead. unsurprisingly they don't detail the mechanics of the knocking out deal and without actual review I can't remember if angels do it to anything other than humans. P sure they just kill everything else because it's all monster of the week stuff 8( SO that's a super teal deer way of me saying I'm entirely nonplussed with however you want to play it.