[quote=@Komamisa]

You mean we can't 1 life speed run this by running through all the fog doors? Just kidding. I suppose there should be some kind of check-point? Not sure how to implement that realistically, though. 

[/quote]

Perhaps something along the lines of the memory of our characters in the other characters draws us back to them somehow and allows us to respawn amongst allies or at least within a close proximity as long as we have our memories of them?