If there was one thing that Cupcakes managed to get right, it was her.
Out of all that over-the-top, mind-numbingly boring, gore-laden fic had to offer, Pinkamena Diane Pie was the one true gem. She was left deeply uncharacterized, given vague reasons for her actions, and for all intents and purposes, crippled by the very fic that created her. Of course, since that fic, countless takes on her fanon persona have come and gone, from CrookedTrees' orgasmically-styled Pinkamena Ask Blog (which, by the way, sparked the Ask Blog Revolution) to the many well-done (and not so well-done) takes on her, like Borderline (one of the better ones). She's become one of the most shining examples of a fanon character facet, and is arguably the most popular/well-known dark genre characters.
If there's one pony I wouldn't mind ripping out my entrails and eating them while I watch, it'd be her.
The fic itself wasn't very impressive. It was exclusively focused on the gore and the torture, hoping to achieve thrills and fears through empathy of pain rather than any psychological subtleties. For all intents and purposes, it was basically SAW IV, when by all rights it could have been made into The Birds. It had numerous technical errors that only furthered its lack of effect, and I suspect that had it not been written for such a soft fandom, it would never have gained the notoriety that it has. The descriptions of gore and torture were lacking at best, and very much lacking in creativity.
It was, for lack of any better words, a one-trick pony.
Still, I suppose I ought to thank all you soft-hearted pussies out there, that gave such overblown reactions of disgust and horror, because without morons like you, I wouldn't have some of the best horror fics in the fandom to read, and the Tumblr-verse would be largely nonexistent.
...And I wouldn't have to deal with all the shitty Cupcakes-wannabes that, I think, should be tossed to Pinkamena to be ripped apart as slowly as fucking possible.
That, of course, leads into today's rant: gorefics, horrorfics, and why all you Cupcakes emulators are fucking idiots.
Excited? I know I am.
Okay. So, as I stated before, Cupcakes can largely be considered to be a shitty fic. It's got technical errors, a lack of creativity, and is almost devoid of character/emotional depth. The only things it does have are Pinkamena Diane Pie, and, obviously, gore. It sucks.
A good horrorfic has a mix of elements to scare the shit out of readers, and thrill them. Torture and gore, obviously, play a decent part, but they only induce horror based on pain empathy; there isn't any emotional depth if you focus solely on torture and gore. A good horrorfic also induces emotions other than fear and horror. Take, for instance, These City Walls, by KitsuneRisu. It is a story that not only includes gore, but also a chilling plotline. Borderline, by Lucefudu, is one of the best Pinkamena-centric fics around, with well thought out dialogue and character interactions, and deliciously insightful psychology, though it is disappointingly short. While TCW is most certainly one of the best blends of gore and storytelling, and Borderline is a well-written and brilliantly thought-out in terms of psychology (I'm slightly in disagreement with the diagnosis, but whatevs), I have to award Death Note: Equestria, by Nonagon, the best psychological thriller trophy. It's just that awesome. Those make for three great examples of what to do when writing a horrorfic. Still, examples are just examples.
As I mentioned above, good horrorfics provide a mix of gore and psychological horror. Gore, of course, needs no elaboration, aside from it typically being used to induce pain empathy in pussy-ass readers. That gets you a nice little cringe. Psychological horror, on the other hand, is much more difficult to pull off. The author has to wrap a reader around his/her finger, and draw them along with a careful mix of suspense, inter-character tension, and engaging dialogue/storytelling. This is supposed to be the creeping sucker punch. If the two mix correctly, you've got yourself a fucking winner, nightmare-inducing.
Of course, it'd be too much to ask of this fandom's gore lovers to get that balance even remotely close.
One of the first problems I usually see when I'm reading yet another lousy gorefic/horrorfic is that the description is for shit. One of the greatest assets for a gorefic writer is description; it lets you force readers to imagine a scalpel blade sliding underneath their skin, or feel the cool numbness of an anesthetic as they're forced to watch themselves being dissected alive, and awake. Only an absolute moron wouldn't make use of description; at the very least, giving a reader enough detail to let them guess what is going on is a must. Yet, I still read horrorfics that claim to be scary or cringe-inducing but only have a "scream and fade out" at the delicious part where some innocent pony gets disembowelled. Seriously, if you morons keep pulling shit like that, I might be tempted to label you as soft-stomached idiots that have no idea what you're doing, beyond what I already know that you have no idea what you're doing. Pick up your shit act, and get going.
The second most common problem is, obviously, a total lack psychological horror in favor of Cupcakes-style stupidity. Yeah, I know pegasi prize their wings above everything, and that cutting them off hurts. Yes, I've seen Sweetie Belle get raped with a steak knife. Apple Bloom getting her face ripped off by a sandblaster? Boring, partner. Don't even get me started on Twilight getting her horn hacked off with a saw. So unoriginal. You see, those of us that read horrorfics and gorefics gradually become jaded after the initial shock of the first few gore-only fics. We lose interest in so much unoriginal torture and almost-repeated descriptions of flesh and muscle and sinew. The aspect psychological horror adds to a fic is the renewing draw. We might begin to lose interest in the torture and the pain, but slipping in a compelling and thrilling plot alleviates that boredom, and draws us further into the tale, where we can then delight in the sensation of being skinned alive vicariously. Really, dudes. Psychological horror and a decent plot go a long way. Without them, your fic is just another piece of shit Cupcakes wannabe, that will never be able to follow in that fic's footsteps most fully, because it's already gotten its reaction, and all you can do is be compared to it. That's especially bad, 'cause it is a real piece of crap.
Thirdly, and most obvious, is the lack of creative torture and bloodletting methods, or the stupid use of overcomplicated machines to achieve something as simple as popping a filly's eye. I can understand that it can be difficult to come up with unique and unused methods of causing pain empathy, but some things are tapped far too often. Take, for instance, pegasus wings. Most horrorfics have them being broken, or chopped off, and almost none of them seem to recall the fanon understanding that wings are one of the erogenous zones of a pegasus. Get creative with that, you twits! Unicorn horns, too. Erogenous zone, and only ever seem to be chopped off or snapped. What about carving, or drilling holes in it? Come on, use your creative juices! Ugh. Hooves can be split, teeth broken, ribs shattered, yet so often I find authors focusing entirely on the soft flesh, and completely ignoring bone. That's also a problem, obviously.
And, of course, as I mentioned earlier, I often run into horrorfics where the torturer uses some elaborate machine or some such nonsense to do simple shit like chop a stallion's leg off. Good god, just how fucking stupid can you get? Having devices exclusively intended for torture in a freaking land of colorful ponies and rainbows is bullshit, and don't even get me started on just how much of a waste of time it is to describe and write about a device that rips a pony's ribcage open, when all you need is a saw, some planking, and a few dozen clamps. Ugh. Getting creative is nice, but going overboard just makes your fic into a laughingstock, in my opinion, because everything in it is just so fucking over-tech, and overly complex. Yeah, I'm looking at you, Cheerilee's Garden. 
I'm willing to bet that most of you caught my drift. Well, not really. I wouldn't bet anything on a site with as many fanbrats on it as this one has.
Now, go write some horrorfics that don't revolve entirely around shitty, boring shock value.
...And get me a fucking ground beef smoothie. I'm thirsty.
Love ya~