Who gave Arya the dagger and how did she kill the Night King?
In Game of Thrones Season 8 Episode 3, Arya Stark emerges as the hero in the Battle of Winterfell. In the dramatic scene, The Night King and his army of the dead surround Bran Stark. Theon Greyjoy takes his last stand by charging at The Night King, who quickly kills the Prince of the Iron