Training with Leon

You are Arthurs little sister and Uther is very protective of you. However, you sneak out of the castle and learn to use a sword and various other weapons from Leon who you secretly have a crush on. When Uther finds out you have magic he bans you from Camelot. The knights try to find you with no luck. Arthur wants to bring back magic and secretly plans to with Merlin and Morgana. When Uther dies you finally venture back to Camalot...