Discord, partially wanting a quick laugh, and partially to prepare the Mane Six for a threat, puts them through an unpleasant experience in his dimension. This will spiral out of control if I go past one chapter.
Some of you might have previously wondered why Celestia thought building her capital on a cantilever was a good idea, well it wasn't: here's the story of how she picked that idea.
I'm not entirely sure how to explain the concept of this story, but imagine me starting the every sentence with for example (random character) yeeted (random nation) into (random noun), this story follows no plot or such things that most stories use.