Quote Originally Posted by KageTokage View Post
The thing makes me doubt time travel is involved is the fact that we're inevitably going to have to return to all of the different expansion zones for the post-5.0 MSQ. What reason would we have to return to a bad future if things have been patched up?

On the flipside, if we're going to the First to curb the flood of light, there's all sorts of reasons we could have for going back over there once matters have been seemingly resolved.
We'll probably end up forking the timelines, leaving the original hellhole future intact while we create a different one for ourselves. Whatever time machine BS we used to get to the hellhole future will stay intact, along with that timeline, even after we finish the SH main quest.