Twilight Sparkle goes out of Ponyville to learn the spell, Trixie, Sunset Shimmer, and Starlight Glimmer team up because of their anger against Twilight. Once they figure out Twilight's depart, they cast a spell to where Twilight Sparkle is locked out of Ponyville and cannot come in or see her friends. She's all alone in the world outside of Ponyville. Far, far, away. And locked away.