Who wins?
By entire, I mean EVERYTHING. Halo, for example, would have all of the Precursors, Forerunners, Covenant, Flood, and Humans all teamed up against ALL the Star Wars universe
They all have their technology as well. Halo has their Halo Rings and such, Star Wars has all their Star Destroyers and Death Stars and all that
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Man I really want to say Star Wars, but what really finishes them off is that if they aren't in their own Universe, the Jedi and Sith are weak lol... and assuming there is an entire separate, neutral universe that they are put in the Force will not work (except on other things from their universe).