Twilight has a secret that no one knows not even Celestia. Years ago Twilight and Spike were taken by a clan of dragons and trained to be the top assassins. Now years later her secret is out in the worst way she could have imagined as past enemies surface and her friends start to drift away. But Twilight gets a surprise of her own from her parents.

Twilight X multi pairing
OP/god like Twilight in later chapters.
Wow this is already put in the popular list! Sweet!