18 Game of Thrones Season 7 Theories to Read Until the Show Returns

Arya may have left Sandor Clegane for dead, but he's still alive and roaming the Riverlands — the same location where she's been hanging out, serving up revenge to the Freys. It seems likely that Arya will bump into her old frenemy during her travels, but whether she'll be wearing her own face is another question entirely.