Arthur Pendragon joins the Kingsguard shortly after Ned Stark's execution. After he watching Joffrey's treatment of Sansa and others, he begins to 質問 his vows.
Game Of Thrones Season 6 Episode 9 Rickon Run Zig Zag Q&A. WTF Decision Making, Jon Snow and Sansa Stark, Littlefinger, Daenerys Targaryen and Episode 10 Finale