[WARNING - This article may contain SPOILERS for Game of Thrones season 6.]

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Game of Thrones season 6 is entering the final stretch, having only three episodes left and each with the potential to deliver some pretty big surprises. There is, of course, the season's ninth episode which has in the past depicted some of the series most shocking moments - think Ned's beheading in 'Baelor' and the Red Wedding in 'The Rains of Castamere.' But the eighth episode shouldn't be disregarded; after all, it was the eighth episode of last season, 'Hardhome', that turned in the most chilling, tense, and memorable hour of the season.

Then there's the Game of Thrones season finale, which is basically guaranteed to end on an impactful scene. Previous finales gave us Danaerys "birthing" her dragons, the first look as the White Walker army, and Jon Snow's murder. And this season's finale should prove to be one of the biggest yet given how far along the story is, not to mention the likelihood it'll adapt material that has yet to appear in the books.

The season 6 finale will also be the longest episode ever of Game of Thrones, clocking in at 69 minutes (via EW). The title for the finale has also been revealed as the book-reader-baiting 'The Winds of Winter', with the episode preceding it titled 'The Battle of Bastards' - an obvious allusion to the forthcoming battle between Ramsey Bolton and Jon Snow's armies, one Game of Thrones' producers have teased as being their biggest battle yet. Both of these episodes were also directed by Miguel Sapochnik, who directed 'Hardhome' if you were curious of the kind of action to expect.

This Sunday's episode, however, is titled 'No One' and you can check out a batch of new photos from the episode, below:

Nikolaj Coster-Waldau as Jaime Lannister Game of Thrones Season 6
Credit: Helen Sloan/HBO
Gwendoline Christie as Brienne of Tarth Game of Thrones Season 6
Credit: Helen Sloan/HBO
Hafþór Júlíus Björnsson as The Mountain and Lena Headey as Cersei Lannister Game of Thrones Season 6
Credit: Helen Sloan/HBO
Eugene Simon as Lancel Lannister Game of Thrones Season 6
Credit: Helen Sloan/HBO
Conleth Hill as Varys and Peter Dinklage as Tyrion Lannister Game of Thrones Season 6

As these photos suggest, 'No One' is going to focus heavily on the action outside of Riverrun, where Jaime and Brienne are expected to collide, and in King's Landing, where Cersei will "choose violence." In the next time trailer, there are a few, rapid shots of the reanimated Mountain tearing through a group of Sparrows, so chances are this episode doesn't hold good things for Lancel and his buddies. Off in the far east, the synopsis teases that "Tyrion's plan bears fruit," which likely means his instinct to make peace with the slave masters turned out better than expected.

Yet the title of the episode, 'No One', is clearly a reference to Arya and her training with the Faceless Men - but she doesn't appear in any of these photos. This season saw Arya fail to ever truly become "no one", and she was punished for that most cruelly at the end of last week's episode. Still, she clearly survived The Waif's attack, at least initially, but it seems Game of Thrones is loathe to offer any more hints about her current circumstances.

Game of Thrones continues next Sunday with ‘No One’ @9pm on HBO. Check out a preview below:

Source: EW, HBO