Board Thread:Warhammer 40k General Discussion/@comment-24332685-20140111015135/@comment-18016240-20140729055452

Well, let's see...

You mentioned the possibility of the Imperium siding with some xenos species or another, but to be honest who would want to ally with the Imperium beyond some sort of desperate last minute team up? Once the threat's gone or alleviated they'd just get back to fighting. Then you have to decipher just who the Imperium could ally with.

The Orks won't team up with the Imperium besides one or two mercenary agreements, and even then they're likely to turn on them. It makes no difference to the orks whether he's worshipping the Emperor or the Chaos gods, a human's a human to them.

The Eldar might, but again they probably would only get involved if it threatened them as well, plus they're freakishly terrified of getting devoured by Slaanesh and would likely stab the Imperium in the back the first chance they got.

Not even going to bother with the tyranids, they don't care about chaos at all and would just try to eat everything indiscriminately.

The Necrons are almost as impossible to ally with as the tyranids, they only helped the Blood Angels to kill off a hive fleet because it was in the way (and because Ward pulled some crap.)

Dark Eldar? I don't think the Imperium would even consider allying with them.

The Tau? Maybe, but the Tau are just an emergent power roughly the size of the Ultramar subsectum, they don't have the manpower for a war on the scale you're suggesting Patton. Plus the whole "for the greater good!" sentiment would likely get on the Imperium's nerves.

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Again, the Emperor is not all powerful, nor is he all knowing. Regardless of how powerful and intelligent he is, he can still screw up and he can be killed, whether he revives again is irrelevant in the face of this fact.

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Exterminatus doesn't fix anything really, the Imperium uses that when it knows it's lost the battle to control a planet and it hurts them just as much as it hurts their enemies. Arguably more so depending on how invested the Imperium was in that planet and the method used to initiate the exterminatus.

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In summary, short of the Emperor literally getting off the Golden Throne, calling what's left of the loyalist primarchs back and making peace with the xenos races (good luck with that btw) there's not much hope for the Imperium.