Ah, so you understand a fraction of it. [Not only because it's his duty--but, because he wants to catch up on what he's missed. The destruction of the world isn't yet complete and if the survivors will be withered to even smaller numbers, then he might have a kingdom worthy of his rule.]

At the very least, my judgement will be necessary when the time comes. As of yet--the herd has yet to have been culled to the right extent. It's clear that there is still trash about.