An Ark Mechanicus commanded by Arch Magos Cassius discover a world rich in resources and potential. The only issue is the inhabitants.

Cover art is from the game Warhammer 40,000 Mechanicus.

Warhammer 40,000 is property of Games Workshop

MLP is property of Hasbro

EDIT: Inspiration
The original idea for this is actually from an unfinished comic on deviantart by someone called Telgin I found a few years ago. Basically I just kept thinking about what happened next and this is the result. If you read the comic then the first chapter you can probably see the similarities.

Also many characters have their parallels in the game Mechanicus as well.

This story is a sequel to The God Empress of Ponykind

A message rings through the Warp: "The Game is broken, only Destruction remains". Celestia hears it, fearing for the lives of her former subjects and those of her beloved ponies. Unwilling to sit idle, she has chosen a dangerous path: return to the Imperium, take up the mantle of Emperor of Mankind, defeat the coming storm, and save Mankind once and for all.

With Twilight Sparkle to aid her, Celestia faces new challenges and new enemies. Her forces are scattered, her people assaulted, and the enemies of Man grow stronger with each passing day.

The Time of Heroes is gone. Now comes the Time of Ending.

Sequel to God Empress of Ponykind. Reading that first is strongly recommended.
Rated T for 40K related violence, but that might change at some point.
Comments contain spoilers. You have been warned.

This story is a sequel to The God Empress of Ponykind

One thousand years ago, Luna, Warmistress of Equestria and sister of Empress Celestia, fell to the powers of Chaos and plunged Equestria into a brutal civil war. The Traitors were defeated, but not before Luna made the ultimate sacrifice and was sealed away in the Immaterium with only the soul of a slain Primarch to keep her company. For a millennium she has been locked away, waiting for a chance to return to her home and her sister.

Now, she has been freed from the Immaterium, and as she takes her first steps in a new Equestria, one ruled by the powers of Harmony, only one question remains:

Does Equestria still need the services of a Warmistress?

Comments may contain spoilers. YOU HAVE BEEN WARNED!

Also Tropes. Please contribute.

During a battle with the great enemy, a mechanicus torpedo is lost in the warp. It crashes in a planet called "equis-b67", in the frozen tundra of the crystal empire. Twilight and the Royal guard ivestigate the event: It is the first meteor in a thousand years. Equestria has weakened since the start of the war with the griffons, and the princesses are considering surrender.

This meteor is their last chance of winning the war: In all the meteors that have fallen on equestria, some contain the substance known as " celestium ". It posesses mystical properties. A single dust-sized fragment is abble to enhance the magic of a unicorn to near-allicorn level.

As half the Equestrian army is sent to the crystal empire to join forces with shining armor's troops, the 200 Skitarii are revealed to the population, secrets are pierced and shadows enlightened.

For in the 41st millenium, their is only war.

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disclaimer : Everything is UNCANNON so please don't go around like " NOOOOO that's not true ha i won't spoil isn't cannon!!!!!!!!!!!"

disclaimer#2 warhammer is owned by GamesWorkshop and MLP is owned by Hashbro

p.s Disclaimer: first story so pleeaaaase be nice.