Disclaimer
I own no rights to either the 'My Little Pony' franchise, 'Games Workshop', or 'Warhammer 40k'.
All rights remain with their respective owners.
This story is done purely as a non-profit fan project.
I have, however, tried to stay true to the backgrounds of both franchises.
The Mission
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A Warhammer 40k My Little Pony crossover Fanfic
The events of this tale are set around the middle of season 4 of the 'My Little Pony, Friendship Is Magic' series.
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Part 1 'Royal Summons'
We begin our tale in a carriage on board the train heading to Canterlot....
The carriage rocked slowly from side to side, it's current occupants sitting quietly, gazing at the scenery rushing by outside.
The group of ponies felt a little uneasy. Earlier that day, Twilight had received a letter from Princess Celestia herself, and had quickly gathered her friends together and boarded the train without a clear explanation as to why.
A certain farm pony had decided that an explanation was in order.
"So what does that there letter of yours say anyway?" asked Applejack, "seems like you've been holdin' out on us".
"Sorry Applejack", replied Twilight, "this letter doesn't say much".
"So what DOES it say?" asked Rainbow, her irritation showing. She had almost immediately taken to the air, as she so often did when she felt frustrated.
Twilight pulled the scroll in question from her saddle bag in a glow of purple, held it up before her, and began to read.
"Dear princess Twilight. I require the presence of yourself and the element bearers in Canterlot as soon as possible"
She paused for a moment.
"And?" came Dash's irate response to the silence.
"It says 'An item has recently come to my attention which may prove useful to the defense of Equestria. I cannot tell you more until we meet".
She lowered the scroll and looked up at Dash.
"That's all it says", she finished,
The rainbow maned pegasus clearly wasn't satisfied with the lack of information.
"Sounds more like a memo than a letter Twilight", stated Rarity from the far side of the carriage, waving a hoof nonchalantly. "So we're being sent to retrieve this...item I presume?"
Dash folded her forelegs. "Since when did we play fetch? Doesn't she have, like, guardsponies for doing things like this?"
"Must be something super duper awesome important to ask us though. What do you think it could be?". Pinkie broke her short silence with her usual quick-fire speech.
The other ponies quickly realized she was going off at a complete tangent to the original conversation when
"Cake..Or sprinkles..Or cake with sprinkles! Those things are gooood" came in to her ideas and went back to their own musings.
Pinkie had got one thing right though.
It had to be something special to warrant summoning the element bearers.
Off in a shadowy corner at the back of the carriage, a seventh pony watched the proceedings.
She held up her own scroll in a pale green glow, re-reading the message there, and sighed.
Looks like Twilight may find out about her hidden help.
Celestia had asked the unicorn to keep an eye out for her favorite student from the sidelines since Canterlot, and she had been sent to Ponyville when Twilight moved there.
Always watching from the background.
Despite her obvious intellect and near unparalleled talent, Twilight hadn't realized she was being observed.
The observer closed her eyes. This could be a long trip and she wanted to be fresh when things got busy.