that Dragonstone sits
on a MOUNTAIN of dragonglass.
Game of Thrones Season 7, Episode 2
A MOUNTAIN of it.
Beneath the ground.
Game of Thrones Season 7, Episode 1
The Mountain.
Game of Thrones Season 2, Episode 4
The Mountain.
Game of Thrones Season 2, Episode 4
I suppose I'll have to
kill the Mountain myself.
Game of Thrones Season 4, Episode 7