On July 7, the British actress - who plays Aria Stark on the Emmy-winning show, which was primarily shot in Northern Ireland - shared a snapshot of herself wearing white sneakers splattered with blood.
King's Landing - one of the most important of the seven kingdoms throughout the epic series' entire run - appears to be going up in flames, which is a very Game of Thrones way to go.
Actresses Maisie Williams (L) and Sophie Turner attend the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium on January 25, 2015 in Los Angeles, California.
Clarke posted her Instagram farewell on June 17. "What a joy I've had".
"Some fans have commented on the potentially-cryptic hashtag "#lastwomanstanding", wondering if it's a spoiler for the series finale.More news: USA jobs report shows room to run as trade war threatens gains
She joked: "No, [Arya] likes red".
Maisie's not the only "GoT" cast member to spark speculation with her farewell to the show.
However, in signature Game of Thrones style, it seems like there's more to just Arya being the "last woman standing".
One of the last remaining survivors of Season 1 - along with her sister, Sansa - Arya Stark is the daughter of the doomed Lord of Winterfell, Eddard Stark.