I was looking around, and found a gamefaqs post which had a bunch of speculations about halo 5 (not six) and i have to say, it was quite humorous. One of them was Locke and Chief kill palmer after the flood break out and that the plot was to destroy all halo rings. Also he said the info was from -Yoink!- and said it “seemed real”.
Take a peek Gamefaqs post
In b4 would have been a better story.
One of the points (#45) looks like it could have made an amazing game.
> 45. A spin off is planned codenamed halo combat. It will be like the galactic conquest mode from battlefront 2 and will have 32v32 battles with humans and AI spanning days or even weeks. Still years off though
Theses points seem like what was, at one point, an early build. Very early. If they had followed most of these points I think we would’ve gotten a better campaign, story wise at least. The only reason I believe this was an early build is because this guy had the fight scene listed including the tool to lock up armor.