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Exactly what is says on the tin.

Everything happens as the current history dictates right up until the point the Primarchs are spirited away to their planets by Chaos.

At this point, the Emperor slips as he's getting out of the bath, headbutts the rim of the toilet and swears so vigorously that the psychic backlash accidentally wipes out his very existence like he did to Horus, dragging Holy Terra into the warp in the process. The Chaos gods p*ss themselves with laughter so hard that they forget all about their little plot to screw with Empy (God Rest His Soul).

What happens next?

What does the universe look like in the 41st millenium?

For this little scenario, we'll assume that Angron ROFLstomps the army sent after him and Mortarion, down on his knees and wheezing from poisonous fumes, punches the sneering Warlord in the groin so hard its head explodes and the shrapnel from its helmet wipes out all of its followers.

so the Primachs have been scattered by big E and Terra are gone.

As I recall, 17 of the primarchs ended up planet bound wherever they landed. They would not have a chance to affect galaxy history. Only 1(or is it 2) of them were raised by a space faring society. Alpharius(and possibly Omegan) might go on to carve out a small empire.

I suppose Mars and the Ad Mech inherit the galaxy though. At the point of the great crusade, Mars had started to colonize the galaxy with slow interstellar colony ships. Even without Big E, they probably put together enough of the DAoT tech to reconqure the galaxy. Perhaps it takes them longer, perhaps they cannot defeat the beast Orks, but they would get most of it.

Yeah I'd have guessed that people like Leman Russ would just be boozing away on Fenris until something came along and nuked it from orbit or something.

Did Macragge (or wherever Calgar end up) have space-travel?

I remember reading that Angron landed on a world with Imperium-level tech so if he conquered that he might be able to expand outwards.

Expanding it further then, what if the Emperor's f-bomb nuked Mars as well, and the Primarchs were able to design and produce a warp drive on their respective homeworlds (with a suitable time-lag compared to those that already had it).

I wonder whether humanity would actually be better off with 20 different factions each led by near demi-gods, instead of one unified faction led by elderly dudes in a room back on Terra...

Ynneadwraith wrote:

Expanding it further then, what if the Primarchs were able to design and produce a warp drive on their respective homeworlds (with a suitable time-lag compared to those that already had it).

Mortarion dies without the Emperor saving him
Angron likely too

Space batman goes interstellar? Downright Terrifying. Space batman who sees the future conquers the galaxy? Beyond words.

Who does Lorgar end up worshiping?

What does Magnus do with all his gifts?

Yeah I'd thought of those, hence this to make it a little more interesting:

'For this little scenario, we'll assume that Angron ROFLstomps the army sent after him and Mortarion, down on his knees and wheezing from poisonous fumes, punches the sneering Warlord in the groin so hard its head explodes and the shrapnel from its helmet wipes out all of its followers.'

I think Lorgar would end up falling to Chaos anyway, given that they are the only beings you could say are gods in the setting.

Oddly, Curze is described as being quite a good ruler in his background, albeit by being fething terrifying.

It'd be interesting to think about what each of their empires would be like. I'd say Guilliman's would just be Ultramar. Angron's would probably be very warlike, although without the emperor being a d*ckbag he would most likely focus on freeing people from slavery.

Is there a map somewhere of where each Primarch was found in the galaxy?

Ynneadwraith wrote:
Oddly, Curze is described as being quite a good ruler in his background, albeit by being fething terrifying.

It's easy to make good decisions when you can literally see the future, and the outcomes of your decisions in real time.

 Exergy wrote:

Ynneadwraith wrote:
Oddly, Curze is described as being quite a good ruler in his background, albeit by being fething terrifying.

It's easy to make good decisions when you can literally see the future, and the outcomes of your decisions in real time.

Sounds like he'd be quite a good contender in a Primarch empire showdown...

I feel like Guilliman and curze carve out empires, don't fall to chaos, and eventually annihilate the necrons, conquer tau, and are putting up two separate, strong fronts against the tyranids and orks are still just a green menace

Would be an interesting one.

I think Guilliman, Dorn, Perturabo, poss a few others, would carve out their own localised interstellar empires, but without the Astronomicon to guide their ships through the Warp, would probably never encounter each other.

I like the idea of Lorgar waiting for decades for the Emperor to show up, and after giving up hope, becoming an atheist, but still leading a fairly monkish lifestyle [I'd picture him as a nihilist in this timeline].

Long term though, they'd never be able to break the Ulannor Empire without the Emperor to unify them, so the 40k galaxy looks like very green

Angron dies where the Emperor was required to save him. That's the whole point of that character's story. Angron would have rather died there, surrounded by those loyal to him, fighting his enemies, than be rescued by some stranger. That one event set everything else in his arc into motion.

Otherwise, assuming all of the Primarchs survive? You end up with a bunch of mini-empires led by possibly-immortal super-men, but none of them have the ability to create copies of themselves. Without Space Marines, these mini-empires are simply waiting until something like the Necrons, the Tyranids, or a big enough Waaagh show up to devour them.

The Beast conquers the galaxy.

The End.

Yeah, both Angrin and Mortarion would die without the Emprah's intervention. That's why i put in the little blurb about them surviving as personally, i think Angron would have a decent shot at carving out an empire even without space marines (imperium-level tech plus butchers nails). Think khornate Catachans with S4.

Mortarion would be similar. I'd imagine that his forces would be Krieg-like guard, but with T4.

Ultramar would end up expanding i think, probably with a Tempestus Scion-like army. Might actually be a half-decent place to live.

I reckon Vulkan would probably end up like space-dwarfs. Lots of well-made baroque gear. Would probably use skimmers a lot as well, given that his first experiences of a technological faction was Dark Eldar.

Alpharius/Omegon would probably do well as well. Didn't they meet the emperor by assaulting his ship as pirates?

I love the idea of Lorgar waiting for centuries for the coming of the Emperor and then giving up and becoming the arch-nihilist. Fits really well with his character of absolutes.

What would the armies of the other primarchs be like?

Also, i think the galaxy as a whole would actually be a lot better off. Humans would probably be screwed, but the Ullanor ork empire would keep growing.

When the nids arrive, they're greeted by a galaxy full of greenskins with tech to the level where they can stagger the emperor with one of their macro plasma cannons.

Suddenly it seems like the home team would win

An Ork galaxy is not "better" for anyone who isn't an Ork.

Hah. I'd take Orks over Tyranids any day of the week. Mainly for comedy value

Ynneadwraith wrote:


Alpharius/Omegon would probably do well as well. Didn't they meet the emperor by assaulting his ship as pirates?

One of them attacked Horus's flagship. He and 4 of his look a-likes stormed the bridge. All of them got cut down by Horus's shooting but Alpharius/Omegon was superhuman fast and dodged all the shots.

Ynneadwraith wrote:
Yeah, both Angrin and Mortarion would die without the Emprah's intervention. That's why i put in the little blurb about them surviving as personally, i think Angron would have a decent shot at carving out an empire even without space marines (imperium-level tech plus butchers nails). Think khornate Catachans with S4.

They didn't have Imperium level-tech, in Betrayer we can see that they are completely terrorized by the sight of landing crafts and pods. They are on every point (more in some than in others) outclassed by the imperium technology-wise.

One of them attacked Horus's flagship. He and 4 of his look a-likes stormed the bridge. All of them got cut down by Horus's shooting but Alpharius/Omegon was superhuman fast and dodged all the shots.

How could he have lookalikes ? He is the size of a really tall Space Marine and he was accompanied by humans. I think you would spot the difference quite easily

Huh. Teaches me for getting my info from the web...

Big billowy cloaks? Stilts? One bloke on another bloke's shoulders?

I think every primarch would have their own little empires going on, and eventually they would meet and probably cause a war

 Exergy wrote:

Ynneadwraith wrote:


Alpharius/Omegon would probably do well as well. Didn't they meet the emperor by assaulting his ship as pirates?

One of them attacked Horus's flagship. He and 4 of his look a-likes stormed the bridge. All of them got cut down by Horus's shooting but Alpharius/Omegon was superhuman fast and dodged all the shots.

No, that story is explicitly mentioned as being a lie in the FW books. Just like all the other stories surrounding Alpharius/Omegon. Truth is that no one in-universe (possibly not even the Emperor) knows the truth of where Alpharius/Omegon came from, and neither has it been revealed to us readers.