As a princess of Equestria, Twilight Sparkle has had a lot of opportunities to talk and negotiate with leaders from other lands: dragons, changelings, and even zebras have spent some time with her, and all the deals she made with them have been quick and easy.

Now, it turns out that the king from Llamaland finally learned that Equestria crowned Princess Twilight a while back and wants to pay her a visit.

There's a reason the other princesses have never brought him up.