Why would obsidian kill a Walker?
Game of Thrones Season 5, Episode 5
Hanging around with Johnnie Walker...
Money Heist Season 3, Episode 2
Where did he kill a White Walker?
Game of Thrones Season 6, Episode 6
How many brothers can say that
they've killed a White Walker and a Thenn?
Game of Thrones Season 5, Episode 1
how in seven hells
did you manage to kill a White Walker?
Game of Thrones Season 4, Episode 9