Being a princess brought many advantages, Twilight Sparkle discovered that when her mentor granted her the great responsibility of being the fourth princess of Equestria. She had made friends, saved the world more than once from different threats; Nightmare Moon, Changelings, Tyrek, King Sombra, and others.

So when that pegasus dressed in perfectly polished armor arrived at the doors of her castle with a letter from Princess Celestia assuring her that she was her new guard, Twilight couldn't have felt more confused.

“There must be a mistake.” She mused, her purple eyes examined the parchment levitating in front of her carefully and then the mare on her doorway.