Arya Stark has become one of the most ruthless killers in Westeros. For the last six seasons, she’s been driven by revenge, even keeping a list of people she means to make suffer for what they’ve done to House Stark. Now in Season 7, with the powers of the Faceless Men in her repertoire, she’s become a seriously formidable assassin. Here’s everybody who’s died by Arya’s hand (or will). Stable boy (Season 1) Arya’s first kill was almost accidental.