Striking your king is an act of TREASON.
Game of Thrones Season 3, Episode 9
That's how he
deals with TREASON. Our King in the North.
Game of Thrones Season 3, Episode 5
So, there's no punishment for TREASON
and no reward for loyalty?
Game of Thrones Season 7, Episode 1
And if you get so much as a whiff of TREASON
from any of the rest -
Game of Thrones Season 1, Episode 10
How can it be TREASON to kill Lannisters?
Game of Thrones Season 2, Episode 7