Well, it will for Nightmare Moon as long as she stays in this cave!
This was created entirely with wool. The colors of wool Minecraft gives you seemed to be perfect for making Nightmare Moon with, so I couldn't resist!
I used a inventory editor to get the tools and resources I needed and a map editor to help create the space. Yet even with them on my side it still took me a tonne of hours to complete it all!
Here's some other pony related Minecraft work I've made...
[link] - Derpy Hooves/Ditzy Doo
[link] - Fluttershy
Here's a link to the pixel art I made of Nightmare Moon which I used as a guide to make this...
ok ill answer your questions for you.
How did they make the hole: a hell of a lot o TNT
how long did it take em to make Nightmare moon.. well.. that I cant answer :/
it willl last for allt ime for furure generastions
Golden LOL for you