Hard to see where you go from here without breaking too far away from the spirit of the series.Halo 3 was the end of the road for me. Had many incredible nights playing that, one of the first online games I fukked with heavy. Reach was okay but it hasn't been the same since
Halo Wars 1+2 are actually fun RTS games. The franchise ain't dead, but it desperately needs new direction
They actually got infinite right, they just couldn't get the post launch content right.
At this point it seems that gamers don't really care about online shooters not named call of duty, and there's nothing that can be done about it. That's why M$ tried to get CoD