The princesses gave their magic to Twilight to prevent Tirek from stealing it. As a result, they end up stuck in Tartarus. The fact that things manage to go downhill here says a lot about the wonders of family.
Armed with swords, spells, snacks, and a bag of dice, five heroes test their mettle against brigands, monsters, and a necromancer's undead army in the saga of gaming night in Ponyville.
How would a being like Discord want to be remembered after he's gone? Well, if you're curious, he did actually write a will. To the surprise of nobody, its contents are bizarre and mildly disturbing.
Dear Diary. I have selected my new name for this job: "Fleur De Lis." The target's name is Fancy Pants, and he's rich, well-known, and single. This is going to be a breeze.
"Dear Princess Celestia, as your (former) most faithful student, I feel I have to warn you that this is probably a trap. Chrysalis cannot possibly be serious about this. Why would anyone, much less her, want to shoot a documentary on us?"