A young mare is found by a lake near Ponyville her body is on the brink of death but luckily six mares find her on there way to the lake on a little get together
Celestia, and Twilight are in canterlot one day to catch up. And they come across something they never could have dreamed up of. As well they will learn that monsters don't just happen, There's reasons that their bad.
Crystals. Crystals are nice. Crystals don't kill you, no matter how hard they might try. Shadows, Darkness and Fear are nice too. My name is Sombra and. I. will. return.