Board Thread:Warhammer 40k General Discussion/@comment-24037808-20140109121720/@comment-6078851-20140328162839

small problem solved - the necrontyr were almost certainly more than a match for the known species: they fought against the old ones who had to create the eldar and krork to prevent themselves from being wiped out. and they initially waged that war in their bio-forms, before being upgraded/subjugated in necrodermis.

there's one scenario in which chaos loses, and that's if tyranids win (which i believe is the most likely scenario to happen by about 99.99%). tyranids chomp all life in the galaxy, then the universe, and the gods fizzle out. the tyranids don't provide the gods with any emotional sustenance, and in fact the 'shadow in the warp' could suffocate the gods if it gets big enough, which it should once the hive mind properly wakes up. so tyranids wipe out all life instead of the gods, the 'shadow in the warp' muffles any chance of a resurgence from the gods, and tyranids don't contribute to the gods emotionally which makes the gods suffer the most epic bail :)