Twilight Sparkle was Celestia's chosen heir, and under her rule Equestria was destined to prosper. But then her friends passed, as mortal ponies always do, and she was left to rule alone. The years were not kind to her after that.
Stories about ponies are stories about people. Every challenge is an opportunity to change. My Patrons let me keep writing, at: https://www.patreon.com/RealStarscribe