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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I'm a huge fan of both but I chose halo because of the sheer firepower halo holds and the nearly double or triple star wars (would be equal but I assume your including forrunners and the powers during that time) plus the flood so it would be a long fight but eventually halo would win