Game of Thrones fans are well known for wanting to immerse themselves in every element of the show, from travelling to the locations to buying a wide range of merchandise from the traditional like t-shirts to quirkier things like limited edition Wolf Blass House of the Dragon wine.
But more than half a million die-hard fans have now signed up to learn the language of the Targaryen family themselves with educational app Duolingo.
House of the Dragon is airing on Sky and Now in the UK and has proved popular with fans and critics alike. Its second season was commissioned just five days after the first premiered.
