We all know that the Lannisters of Game of Thrones  are no strangers to conflict. But this week saw a new entrant in their epic family squabbles.

Tonight I play #GameOfThrones' #PeterDinklage & #LenaHeadey in #Overwatch on #CluelessGamer. I fight for House Masshole! Link in bio.

A photo posted by CONAN (@teamcoco) on

Watch the video below to see how Conan O'Brien fares in a game of Overwatch between Tyrion (Peter Dinklage) and Cersei Lannister (Lena Headey). As the latter once said, "When you play the game of thrones, you win or you die."

Guess the same is true for videogames.