Be warned: Here there be spoilers!
If there's one person you don't want to meet in a dark alley of Westeros, it's Arya Stark, aka the Faceless Man, known IRL as actress Maisie Williams. One of Game of Thrones' deadliest characters, her skill with a sword and dagger is only surpassed by her eerie ability to take on the faces of her victims.
So, recently, when some behind-the-scenes footage of her EPIC sword fight with Brienne of Tarth surfaced, the Internet went nuts.
See for yourself, below.