"I didn't think I could do it."

Game of Thrones' Emilia Clarke has admitted she was "in hell" while filming Daenerys Targaryen's final speech. The 33-year-old played the Mother of Dragons for all eight seasons of the HBO epic. However, as fans are no doubt aware, the last six episodes of the series saw her character take on a new path - which eventually ended in her own undoing. Entertainment Tonight report that the actress appeared in the featurette Death Is The Duty of Love from the Game of Thrones Season 8 DVD set, where she opened up about how it was "hell" to learn her final speech. "I knew that speech was going to be really important, and I spent a huge amount of time learning it. And for the first time in my whole Game of Thrones career, I got that word perfect," she explained, referencing the Dothraki-filled speech that Dany gave to her troops. "I'm being so brutally honest here -- I was in hell learning that speech. This pretend language was literally eating me up. I couldn't do it," she recalled. "And then, magic happened. I woke up in the morning, went on, and it all came out. I was probably fighting not what I was fighting, but what Dany was doing." Her comments come  a few weeks after HBO ordered a Game of Thrones prequel series, House of the Dragon.  The new series, which will be set 300 years before the events of the aforementioned show, will tell the story of the Targaryens in Westeros, long before the Mad King, Daenerys's reign, and her eventual fall from grace. Series one will have 10 episodes and will be co-produced by Game of Thrones author George RR Martin, as well as Ryan Condal and Miguel Sapochnik.