Board Thread:General Discussion/@comment-25562692-20141219061402/@comment-5631651-20150109235731

there are kings but so far (at least I) don't know how to get them, I saw somewhere a screen from that page with 1 spot filled (wood I think it was) but I don't know how it's actually called or how to get it.

I think it's a reward from the devs, as I remember seeing something about code given by devs at some point so I assume that is how you can get those, unless they add them as a drop chance from the new continent.