Emilia Clarke recited her Dothraki dialogue when going through her brain aneurysm.
The 32-year-old actress recently revealed that she had to undergo surgery in 2011 and 2013 and has now admitted she "genuinely knew" at the time she was experiencing a major health scare so did everything she could to keep her brain active, including testing her knowledge of the fictional language she uses in Game of Thrones.
She told talk show host Stephen Colbert: "The easy way of describing it is that it's the worst headache that a human could possibly manage to experience. It was pretty intense.
"I genuinely knew I was being brain damaged. I don't know how.