These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Nightmare Fuel: "Stephen King's Equestria Girls" in Anthology III. Watch it here, but if you don't want to, it involves Human Twilight and Fluttershy standing around with a low-pitched horror chord in the background. Then, an arm comes out of Twilight's mouth, sucks Fluttershy's head until she turns grey, and the rest of her body falls off.