So its a few episodes too late, but I had an interesting idea for a better resolution to the Night King. To keep it short, I thought that the death of the Night King was sudden and without much narrative weight, I am going to try to resolve that.
From what is explained to us, Bran is the living memory of the humanity. Whether that is just Westeros or its the whole world, it doesn’t matter. The Night King targets him because by destroying the memory of the world they inhabit, then he has won and destroyed humanity. Instead of doing anything (besides theories that he is just subtly pulling strings and/or warging into characters) Bran is pretty much bait.
BUT WHAT IF
Bran uses his powers to warg into a character and imbue a character with the skills/experience of the greatest warriors of Westeros? If the Night King wants to destroy the memory of humanity, then he can face the best that memory has to offer.
I think Jon is the most logical choice here. He is probably the Prince that was Promised/Azor Ahai and also is heavily hinted to be a warg. (This is mainly in the books I believe, but ill add it as evidence.)
Maybe before it happens, Jon tries to fight against the Night King. He is tired, but a skilled warrior and holds his own for a little while. It becomes clear, however, that he isn’t going to win the fight. He is forced to the ground and crawls towards Bran, ending up in front of him while the Night King watches, a slight smirk on his face. Jon has blood dripping from his mouth, he has minor wounds across his body. He looks up towards Bran with a “sorry I lost” sort of look, but before he can say anything Bran explains that if the Night King wants to destroy the memory of their world, then he must defeat everything that memory has. Bran and Jon’s eyes roll into the back of their head. Jon rises again, turns to the Night King with confidence, and moves to fight. The battle is much more even, with Jon eventually being victorious. ( Sorry don’t have much experience writing sword fights!)
Since showing is better than telling, it might be interesting to see Jon adopt certain fighting styles that previous experienced warriors have been shown using. Hell, even just some acrobatics like the Red Viper of Dorne, Oberyn Martel used and some two sword fighting like we see Ser Arthur Dayne use in the flashback could be enough.
Just my two sense on a potentially more satisfying ending to the Night King. It is pretty classic fantasy “good guy wins” stuff, but considering the dark fantasy Game of Thrones was supposed to be was sort of thrown out the window anyway, it fits in with the tone of the season in my opinion.
