
Balerion the Dread.
Game of Thrones Season 7, Episode 2

On the back of his dragon,
Balerion the Dread.
Game of Thrones Season 3, Episode 10

forged in the fiery breath
of Balerion the Dread.
Game of Thrones Season 3, Episode 6

But in the beginning, when it was home
to Balerion the Dread,
Game of Thrones Season 7, Episode 7

You could read about Balerion the Dread.
Game of Thrones Season 3, Episode 10