It was 100% a Buffy denouement with Arya smashing his power center and defeating the unbeatable horde with one blow.
Bah, I say.
There was much to recommend it, but I don't give a shit about bad guys who don't talk who are Ultimate Evil and get dispatched by One Moment Of Truth.
I can't believe they spent so much money and shot it in the dark. Also, I hate the action scenes that were all a confusing blur. I much prefer fight / action scenes where the action is clear and comprehensible and has its own narrative thrust.
Lady Mormont vs. the zombie giant was great. Arya fighting on the steps was great. Loved the scene with her in the library. Actually thought the scenes with Theon and the iron borne worked well enough.
I hated the Bourne sequels resort to shaky cam action and I just think it's lazy filmmaking. It makes you tense while you watch it but it does not stay with you as story at all. And there's no need to revisit it.