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  ===Writing===
  "Eastwatch" was written for television by Dave Hill, who had previously written two episodes for the series, "Sons of the Harpy" and "Home", as well as serving as a writing assistant since the show's second season. In an interview with ''Entertainment Weekly'', Hill commented on the intentions of the characters' decisions, and the writing and storylines that were involved in penning the episode. In writing the opening sequence involving Daenerys, and Randyll and Dickon Tarly, Hill noted the difference between Daenerys and other rulers, in that she offered the men a choice, saying, "These lords disobeyed her and disrespected her in rebellion against the rightful queen. Then she gives them a way out and they don't take it." He also spoke about the effect on Jaime of being defeated by Daenerys, noting: "This was their first time facing  in the open field and they were so easily defeated and that's not something he's ever seen before. But as hard as it is to deal with  and her dragons, it's much harder to deal with Cersei."
  Regarding Jon Snow's departure from Dragonstone, Hill mentioned that Daenerys believes Jon is honest, and she "can't continue a war and still have Seven Kingdoms to rule after the war is done" as long as the White Walker threat remains. Hill's intention in writing the scene of Tyrion's secret meeting with Jaime was to open the interaction with "total antagonism and hatred", and eventually change it to the two "being vaguely on the same side." He notes that although Jaime may not believe Tyrion, it was worth exploring a possibility of a truce.
  Hill stated that the writers were uncertain on when Gendry should be reintroduced to the story. He noted that the writers always intended to bring Gendry back, and that they had originally planned to bring him back in the previous season. They eventually settled on bringing him back in "Eastwatch" in order to place him into the storyline he referred to as "the big mission" with Jon Snow beyond the Wall. Hill added, "It made sense that Davos would want to save this boy who's like a surrogate son."