Sansa took a deep breath and spoke hesitantly. "You've never been a liar, Jon. As much as I'd like this to be some fairy tale, it would perfectly explain why you let the wildlings south of the Wall. You walked alive out of your funeral pyre with me and 3 dragons. I truly wish it was some sort of jape, but...what can we even do against them?" Sansa's face had turned as white as a sheet, confronted with the realisation of their new mythical enemy.