The final season of Game of Thrones was filled with surprises and unexpected developments, many of which were not exactly universally loved. One of the least predictable moments came in the action-packed Episode 3, when Arya Stark, played by Maisie Williams, kills the evil Night King. Williams has now revealed that co-star Kit Harrington, who plays Jon Snow, was expecting to do the deed.Speaking to The Hollywood Reporter, Williams stated that Harrington told her the original plan was for Snow to kill Night King–or at least, that’s what he was told. “[Harrington] expected it to go that way, too,” she said. “He even said, ‘It was going to go that way. Someone told me in Season 3 that I was going to kill The Night King.’ And then, he read the script, and it was Arya the whole time.””I think it would’ve been too obvious,” Williams continued. “I’m glad that it was Arya, honestly. I think I had the best storyline of the final season.”Williams also spoke about The New Mutants, the much-delayed X-Men spin-off, which finally hit theaters last month. Although she has previously expressed frustration about the fact it took three years for the movie to reach the…