A Knight of the Seven Kingdoms finale ending: Are there really 9 kingdoms?

A Knight of the Seven Kingdoms has come to an end, and the finale left us with two main questions: Where will Dunk (Peter Claffey) and Egg (Dexter Sol Ansell) go next, and hang on a minute, are there actually nine kingdoms rather than seven?

Given that the show literally has "seven kingdoms" in its title, it's an interesting curveball — but one that Egg seems certain is correct. So what exactly does he say, and is he right? We've broken it down.

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