Sundered(Noncanon)(+10 to roll of your choice)
So, two omake prompts here, the first which i have more for is a Metroidvania style game called Sundered and it ends up with Hydealyn's first worshippers because she saved their asses from some chaos cult/s, premise is that it's set on a modernish world where they have just had their first such Cult be found (all their psykers before now have been minor latents with a unique personal soul regeneration/healing and cleansing ability, though the cleansing only works if they don't let things in) and have sent people in to try to negotiate without knowing what's going on
The place is too large and weird by that point to get rid of by normal methods and more are popping up all over the world but humanity is holding out, especially with the help of the Sundered, people who have gone in and maybe come out changed (not all of them make it out but still consistently cause problems for Chaos) but somewhat sane and on their side, though they are slowly going crazy from being made artificial perpetuals and Chaos eating at their minds/souls, one or the other and they would be fine, even recover over time thanks to a quirk of their souls, but not both.
Serras showing up in orbit and/or on planet really screws up the cults, mostly by dragging the world away from the warp and driving Chaos itself off which means the caverns are no longer shifting/rearranging nightmare realms.
Bleargh, wrote this while tired.
The problem with Serras showing up is that the planet is on the other side of the galaxy, instead Hydealyn finds it and seeds it with crystals.
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"Shit, shit, shit, shit, why'd I have to poke that bloody swarm for, oh yeah, didn't know it was a swarm and to save some guys" Hi there dear watcher, not, my names Jonac Amar Sundered, that last one is a title as much as a name though.
"SKREEE" And that is the call of a delightful, not, swarm of monster after my ass, like usual when I get into these things, been fighting these thing for 5 years now, never gets any easier.
"OH, FUCK OFF ALREADY" "Wumph, wohm" And that's my beautiful blaster going off behind me, killing some of them and propelling me forwards "Take that you assholes", I love that thing, saved my life a number of time
"RAAAGH" Wait what, oh fuuu, gotta move FASTER!
"Fizz, Thump" Well fuck, something just hit my shield and bounced off, lets see left, right, left again "WALL!", well shit that wasn't there before, hang on, ledge above, I can reach that, would be a decent place to fire from too.
"SKREE", "Wumph, wohm", "RAAAGH", "fizz", "GRRRAAA", "BOOOM", well, I'm still alive, found another ledge above me, and they don't seem to see me anymore and the big one's dead, they also don't seem to like coming up here for some reason, can't blame them really, this area feels weird even compared to the rest of it, almost like it's trying to reject something.
"Right, enough resting, lets go and explore this place" you learn in my line of work to trust your instincts, and mine are saying to find the thing causing this phenomena, because anything they are scared of and/or don't like has to be good for me.
"Well, this is different" this place is... static, ordered, stable, so different from the rest of the caverns even if they have their own rules it's not like this, I'm closing on the heart of this anomaly within an anomaly, it's very easy in part because it's not shifting around but also there's nothing here stopping me, oh there's are creatures around but they don't get in my way or try to stop/kill me, they seem to have some sort of crystal and/or bone growth on and even in their bodies, there are some which are made of crystals despite how weird that sounds.
"OH, wow, that's beautiful" I think I'm at the centre of this place and it is amazing, the entire room, which is far to large to fit where it is, is covered in crystals, there's also this bone like stuff growing around the place only it's purple coloured, though I feel as if I'm being drawn to the centre of the place, did I mention that this place is FAR to big to be where it is.
"CRACK" "RRRROOOOAAAAAA" "OH FUCK" "Weeaan, crack" "REEEEAAAA" "The hell, doesn't matter, it just makes it easier to kill" well I got near the centre, there was a much smaller room there but before I get in one of those giant bastards showed up, course then there was a weird sound and some purple crystals exploded out of its body violently, they made good foot holds that's for sure.
"Amazing" with that thing dead I could make my way into the room, which was again larger on the inside than it should have been, and doing so was like a breath of fresh air, I felt a scratching at my mind that I hadn't even noticed disappear, only made noticeable by its absence, in the centre was a statue of a young woman who looked nothing like the Dancers forms, she was beautiful in a way that the Dancer wasn't, just the slightest imperfections to make her seem real, probably helped along by the fact that she wore decent clothing unlike the other.
"Heh, that's a fierce expression there girly" Her face was set with determination but her eyes, they were filled with kindness and sorrow as well as anger, "Hmmm, what's this" the thing that most grabbed my attention though was resting, there was a pile of crystals much like the ones all over the walls, there was even instructions on how to use and make them as well as what they were "Well, thank you ma'am, this might just help A LOT".
Even to this day I still carry that first Order crystal around with me, I would also later learn that these such places had been found in other cavern systems and that a religion based around the crystals and the woman who gave them too us would pop up thanks to their ability help us fight back and keep us safe, I'd also learn the apparent name of the woman that the statue was made to look like, Hydaelyn, fancy name, kinda like it myself.
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Well, that came out of nowhere on my end, also Dancer is Slaanesh.