
Where did he kill a White Walker?
Game of Thrones Season 6, Episode 6

But no one's killed
a White Walker in thousands of years.
Game of Thrones Season 3, Episode 10

He killed a White Walker.
Game of Thrones Season 6, Episode 6

When you killed the White Walker,
Game of Thrones Season 7, Episode 6

She survived a White
Walker, for fuck's sake.
Game of Thrones Season 4, Episode 8