is not being immediately
expelled from the Citadel.
Game of Thrones Season 7, Episode 3
The Citadel has the world's greatest library.
Game of Thrones Season 5, Episode 10
You are a maester of the Citadel,
Game of Thrones Season 2, Episode 6
From the Citadel.
Game of Thrones Season 7, Episode 2
that had him expelled
from the Citadel, Your Grace.
Game of Thrones Season 4, Episode 10