As unexpected as the big twist that ended Game of Thrones' "Long Night" was, the set up for Arya's Great War-ending dagger move traces all the way back to Season 1.
Digging into the Valyrian dagger's history on the show only adds layer upon layer of thematic meaning to Arya's clutch moment of glory. And it also might even foreshadow Arya's next target: Cersei Lannister.
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In the Inside the Episode, David Benioff said they've known for about three years that Arya would be the one to deliver the final blow to the Night King. And its clear now they planted a lot of seeds during that time. Read more...More about Entertainment, Game Of Thrones, Arya Stark, Game Of Thrones Season 8, and Night King