
He killed the great Khal Drogo
in single COMBAT.
Game of Thrones Season 5, Episode 7

You demanded a trial by COMBAT.
Game of Thrones Season 1, Episode 6

You stood for him in
his trial by COMBAT at the Eyrie.
Game of Thrones Season 4, Episode 4

I demand a trial by COMBAT.
Game of Thrones Season 1, Episode 6

Oberyn was slain during a trial by COMBAT.
By law, that is not murder.
Game of Thrones Season 5, Episode 2