How powerful would a permanent alliance between the imperium and craftworld eldar be? Total game changer?

How powerful would a permanent alliance between the imperium and craftworld eldar be? Total game changer?
Also lets assume dark eldar would restrain themselves from attacking imperial settlements so they don't anger thier cousins.

Really not applicable, but Eldar could get a lot more useful stuff done against Chaos if the imperium gave them a full neutral status. The imperium can't benefit from Craftworld technology because humans don't have potent enough spiritual energy to use it. Imperium tech is garbage compared to Craftworld tech. Also, the imperium doesn't have enough control over humanity to keep them from pissing the Eldar off or massacring Exodite colonies on occasion. Humans aren't even fully allied with each other, they war with each other constantly within the thing called the "imperium".

The few times they've teamed up that's still of some canoncity in lore, they basically steamrolled whatever they were up against.

I-I'm all in favor of it.

Autism prevents such thing from happening. Even if the Imperium as such and the major Craftworlds could contain their autism, AdMech, Ecclesiarchy, Corsairs and a shitton of minor and major characters would keep REEing until the whole thing explodes.

Humanity would excel so hard if they just submitted to the Craftworlders. Eldar are much more structured and disciplined. As leaders, they could address humanity's reckless faults which is what led to Chaos getting materium-based armies in the first place. Eldar would gradually increase in number but it would never be anything to worry about because they've already dominated the stars and didn't seek the death of humanity back then. Technology would boom if Eldar had a safe haven to dedicate themselves completely to advancement and not pure survivalism in space.

Gaining access to the webway would probably be the best outcome for the Imperium, maybe even Cegorachs library contains informations that could help. Also the Eldar already helped the Imperium with giving them more knowledge about psyker stuff, so this could lead to human spykers not blowing themselves up all the time.

This picture is inaccurate. The Eldar women are about 1 foot taller than a human male, on average.

Please try to ignore him. Derailment is all he wants.

so are there more of these or what

Eldar, so wise and enlightened they created a new chaos god and caused a galaxy wide dark age

It would require for both imperium and the CWE to undergo a fundemental change in their attitudes and natures to ever happen, thus the resulting alliance would be between two quite different factions from the Imperium and CWE as we know them.

For research purposes, I need there to be more of this.

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Big, dumb, user reporting in who doesn't know anything about Warhammer beyond Orks are cool.
Why do the Eldar and the Tau and the Humans hate one another, exactly? Do they have any actual 'good' reason beyond just poorly written, mustache twirling, racism?

bout as powerful as a permanent alliance between the ork's and the tyranids

>Big, dumb, user reporting in who doesn't know anything about Warhammer beyond Orks are cool.
Then maybe you should shut the fuck up and lurk moar.

It's very possible but it would have to be really really loose.
More like a non-aggression pact than an actual alliance, where both sides would naturally team up against huge threats.

Eldar and humans were able to live relatively peacefully together for some time. Eldrath, an Eldar, wanted to warn them about their primarchs falling to chaos, which lead to a violent response from the primarchs who wouldn't believe them. Ever since them they aren't on good terms. The Imperium has an anti-xeno policy since a lot of subjected xenos rebelled once and turned against the. Eldar believe that they are the righftul masters of the galaxy and everything else is just vermin. Tau want to conquer everything under their ideology, though if you surrender they okay with you being part of their empire.

Artists name is flick on hentaifoundry

Gotcha, so wait until 50K first.

Which one craftworld? There no such thing as united craftworlds.

>Do they have any actual 'good' reason beyond just poorly written, mustache twirling, racism?
Xenos in 40k are 90% horrible aliens that want to eat your babies. Even the nice eldar will kill a billion humans just to save an Eldar's fingernail. They're fairly neutral with the Imperium, sometimes they team, sometimes they kill each other. The Tau have constantly been attacking Imperial worlds and enforcing atheistic brainwashing. Most xenos are far worse, like the orks or dark eldar.

The Eldar also fucked up so bad they created a chaos god and turned the warp from a fairly calm alternate dimension, to super hell.

The Imperium's kill all xenos policy makes perfect sense, and was started by the Emperor himself.

Maybe he's unusually tall despite his otherwise boyish looks.

Obviously he's standing on a box.