She would need to remove her own face for that twist to make sense. So it would be pretty dumb if they try to pull that off.

This may be the worst episode I've seen of game of thrones, Arya running at full speed ONE DAY after being made swiss cheese by the Waif, the fact that nothing of consequence happened, the Black Fish gone, the most anti-climactic revenge ever by the Hound, the fact we are supposed to believe that Arya beat the Waif,…