She had no idea how the Targaryen dragons were truly controlled as the books on the subject in Winterfell's library were written by a maester who lived after the last dragon died and mentioned something about whips and maybe High Valyrian. She did not know if the records were wrong or if the king's dragons were particularly special because they were very intelligent and understood the common tongue well enough. Which was a relief, because she scarcely knew a handful of words in High Valyrian from her lessons with Maester Cressen and now started learning under Maester Wolkan, but learning the language had proven slow and cumbersome.