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Aside from some of the obvious, how about stopping the Death Guard from making their fateful Warp jump?

Or warn Guilliman he's being tricked into being too far away to be of use?

Either of those legions joining the main fight against Horus would have been a very big deal.

(I'm not totally all for genocide, I'm sorry)

Time travel to the original Tau home planet and wipe out the early fish/frog/whatever people.

 jhe90 wrote:
What if you removed the very first eldar pleasure cult

By this way slaanesh may never exist?

Humanity may have a changed future but no reign of chaos?

Considering the sheer power both technological and Psychic the pre-Fall Eldar Possessed I don't think it'd work that well.

Wyzilla wrote:Considering the Eldar Pleasure cults were started by a Greater Daemon of Slaanesh, good fething luck with a Company of Marines.

Where's that from? Slaaneshi Daemons being involved before Slaanesh's "birth" seems like something GW would do but I'm curious as to the source.

Grimskul wrote:Yeah, hard to figure out why you wouldn't in most cases, short of you trying to do something directly against the sisters of silence I can't see any other chapter outmatching them.

Space Wolves, obviously. They can wage open war on anyone and get away with it.

On a more serious note, Deathwatch Marines would also be very potent but generally I think Grey Knights have the advantage.

Stopping Goge Vandire or the Beast earlier might help. Ensuring the security of that STC which could cure various diseases that the Dark Eldar (Panacea Wars I think) stole could likewise have huge ramifications. Aside from that apparently in Monastery of Death which leading the Imperium to earlier would be of great use.

Hayley Williams wrote:Time travel to the original Tau home planet and wipe out the early fish/frog/whatever people.

Lol. Could wipe out the Necrontyr instead. No C'tan, no Necrons, no Orks, no Eldar Old Ones still around. Would that be a good thing? For humans I mean.

It's a fun idea this. I'd Definetly pick the ultramarines first Company, go to the necrontyr homeworld and utterly wreck it. Then I would laugh and laugh and laugh as the Space marines will never be created and the Eldars and orks never had to be spawned.

If you want a smaller scale of change in events then probably grab 100 lamentors and travel back in time to some pivotal moment and reinforce them. The manliest chapter of them all.

Too Tanith before Chaos invaded., help but more time fr the other two Regiments to get off world. Fluff wise imagine the sabbat crusade if Guant had two more regiments under his command.

I mean really, bigger fish man, think bigger than Tanith.... I'd kill Horus for sure, as this would likely change the Heresey, or try and alter some other important thing, like Isstvan as that would have a huge impact on the IoM in the long run.

 IGtR= wrote:
I mean really, bigger fish man, think bigger than Tanith.... I'd kill Horus for sure, as this would likely change the Heresey, or try and alter some other important thing, like Isstvan as that would have a huge impact on the IoM in the long run.

Judging by how some of the Horus Heresy books have been portraying things I'm not sure a single company could take out Horus even if he was on his own for some reason.

Should you could try it whilst he's a baby but that didn't work out too well for the Eldar\Dark Eldar who tried it on Angron.

Leave Horus and take out those who plotted against him and the Emp would be my view.

Pretty sure my 100 marines could kill baby horus... or kidnap him and replace me as horus.. hmmm that would be great.

 MechaEmperor7000 wrote:
Jump to 2008 and punch Matt Ward in the face 100 times with 100 marines.

This!

Stop Magnus from making a deal with Tzeentch and destroying the Webway. Figure out another way of warn the Emperor.

 Filch wrote:

 MechaEmperor7000 wrote:
Jump to 2008 and punch Matt Ward in the face 100 times with 100 marines.

This!

He never leaves Terra, so...

In terms of benefitting the Imperium as a whole, would it be worth going back and taking out Gorg Vandire before he gets to power?
According to the fluff the HH lasted around10(?) years, the AoA lasted over 70.
It did absolutely untold damage to the Imperium in terms of resources, territory, dealing with xenos etc.

Or in a similar vein taking out Abaddon before his 1st Crusade? Would have saved a lot of headaches over the years not to mention again resources and forces to deal with other xenos.

Just a thought.

Go back in time, and stop me from marrying my ex-wife.

No, wait, that's on Terra.

Oh, go back in time to whatever alien planet my ex-wife is from, and kill her at birth.

No, wait, 100 marines are no match for my ex-wife.

Dang, this is a hard one.

I'd make sure they were War Hounds and have them save Angron from having the Butchers Nails implanted. Then conquer the world.

I love the Warhounds and would like to see how they would've been if they didnt have a broken primarch

Jump to baby Horus just after he has landed, kill him, save the Imperium.
Alternatively, for great hilarity, jump incredibly far back in time and stop the Old Ones from ever evolving.

Ullanor, just after the Emperor declares Horus Warmaster and leaves. Deploy onto one of the (many) orbiting major capital warships with a company of astartes, size control of the primaris weapons array and hit the world with multiple exterminatus weapons.

It's the one point that Lorgar, Horus, Fulgrim, Magnus and Angron are all within a ten-foot area above ground during the Horus Heresy....

...Granted, Dorn, Sanguinius and Khan are there too. Sucks to be them, I guess.

Hmm, there are lots of good possibilities of what could be done, but Im gonna choose...

Take my Marines and myself to Nostromo, to where Curze lands, shortly after he does, so we can get him before he wanders off on his own. Then we can help guide him down the right path.

 Ratius wrote:
In terms of benefitting the Imperium as a whole, would it be worth going back and taking out Gorg Vandire before he gets to power?
According to the fluff the HH lasted around10(?) years, the AoA lasted over 70.
It did absolutely untold damage to the Imperium in terms of resources, territory, dealing with xenos etc.

Or in a similar vein taking out Abaddon before his 1st Crusade? Would have saved a lot of headaches over the years not to mention again resources and forces to deal with other xenos.

Just a thought.

Vandire was an opportunist. The Age of Apostasy actually predated his reign. What's needed is to kill the three Ecclesiarchs before Vandire. Alexis XXII, I think.

It's simple really...we kill the Batman...

Or alternative view. A lot of people are using their time travelling marines to help in battles or assassinate key figures. What if I took my marines on a supply gathering mission and kept them out of harms way? Example: Go back to Dark age of Technology spend the whole time stockpiling STC designs and tech (while learning how to actually work the damn stuff properly). As the Age of strife approaches I grab a fully functioning STC machine and whisk it away nice and safe guarded by my now techno savant marine company. When the Age of Strife ends I warp into Terra end the Unification wars overnight and secure Mars for myself (they would either treat me as a God or bow down before my superior weapons). Keep the big E around as I do like him but we could skip the whole space Marine legion thing and carry out the Great Crusade with normal humans wielding incredible weapons of war (titans, titans as far as you could see!). In order to protect my preserved technology I would utilize the lost technological arts of ctrt. c and ctrt v to make sure losing one stupid forgeworld doesn't mean losing entire freaking designs Great crusade would end quickly and with a higher tech base. No primachs, no fallen Big E (although he is less needed) no Hours Hersey. Humanity develops the human webway project uninterrupted eliminating the need for warp travel. Finally, I wipe out any Xenos race that even looks funny at me. Humanity would awake from the the horror of the Age of Strife to a new brighter tomorrow of science, reason and trust instead of superstition, religion and hate.

That's how I would do it.

Go back in time, and inform Russ of Horus's treachery, have irrefutable proof. Suddenly thousand suns and wolves team up and help kill Horus. The emprah never gets gravely injured.

Take my Marines and myself to Nostromo, to where Curze lands, shortly after he does, so we can get him before he wanders off on his own. Then we can help guide him down the right path.

Im not sure poor old Curze could have been saved. Its possible whatever intervention happens would see him degenerate anyway.
Its not that he actually believed Horus or backed his ideals, he just loathed the hypocrisy of the Emperor and the Imperium more. That and his self loathing are powerful drivers.

Curze's whole situation was because he had to fend for himself. He loathed the Emperor and his Hypocrisy, but did nothing to change his Legion, which fed the cycle and led to his Legion being singled out for its crimes.

That could easily be avoided.

You teach him, bring a Librarian to help guide him with his powers. Show him how social interactions work.

Or a few good spanks on his bottom.

Naturally, that comes with the whole guiding him thing.

 Tactical_Spam wrote:
What? We kill Phaeron and Erebus and Argel Tal doesn't go back in time?

Which would, IIRC, lead to Primarchs not scattering, which in turn would lead to all Primarchs being raised by the Emperor and taught about the dangers of warp, and resulting in the success of Great Crusade.

It could work.

 MrFlutterPie wrote:
It's simple really...we kill the Batman...

Or alternative view. A lot of people are using their time travelling marines to help in battles or assassinate key figures. What if I took my marines on a supply gathering mission and kept them out of harms way? Example: Go back to Dark age of Technology spend the whole time stockpiling STC designs and tech (while learning how to actually work the damn stuff properly). As the Age of strife approaches I grab a fully functioning STC machine and whisk it away nice and safe guarded by my now techno savant marine company. When the Age of Strife ends I warp into Terra end the Unification wars overnight and secure Mars for myself (they would either treat me as a God or bow down before my superior weapons). Keep the big E around as I do like him but we could skip the whole space Marine legion thing and carry out the Great Crusade with normal humans wielding incredible weapons of war (titans, titans as far as you could see!). In order to protect my preserved technology I would utilize the lost technological arts of ctrt. c and ctrt v to make sure losing one stupid forgeworld doesn't mean losing entire freaking designs Great crusade would end quickly and with a higher tech base. No primachs, no fallen Big E (although he is less needed) no Hours Hersey. Humanity develops the human webway project uninterrupted eliminating the need for warp travel. Finally, I wipe out any Xenos race that even looks funny at me. Humanity would awake from the the horror of the Age of Strife to a new brighter tomorrow of science, reason and trust instead of superstition, religion and hate.

That's how I would do it.

If you had a working STC database, you would also have non-Warp FTL, as the Speranza in Priests of Mars has one integrated into its Machine-Spirit (which promptly gets wiped from the Magos's memory who discovered it by the Omnissiah, of course. Omnissiah turns out to be a total scrub), and has non-Warp FTL systems.

 Ratius wrote:

Take my Marines and myself to Nostromo, to where Curze lands, shortly after he does, so we can get him before he wanders off on his own. Then we can help guide him down the right path.

Im not sure poor old Curze could have been saved. Its possible whatever intervention happens would see him degenerate anyway.
Its not that he actually believed Horus or backed his ideals, he just loathed the hypocrisy of the Emperor and the Imperium more. That and his self loathing are powerful drivers.

Curze might have been better off than Angron though. Angron definitely needs the help more.

*deleted. I didn't follow the rules.

Save. The. Squats.