Few can truly claim to be apprenticed by Vader. And those few have been juggernauts of the force in their own right. After the events on the second Death Star. Vader finds another potential apprentice while in a self-imposed exile. Catra.

In a Galaxy Far away, a lone Rebel Cell Wages a clandestine war on the Galactic Empire. When a Warrior of a long lost order reveals herself, An old rival is deployed to bring her back alive...or kill her if she refuses. AKA She-Ra characters in a Star Wars Setting Part 3 of "She Ra Fits in Any Universe"

The Horde Empire sends agents to Etheria in a plan that will destroy the Rebel Alliance. Jedi Knight Mara or She-Ra, goes on a desperate mission where she encounters a girl named Adora with a powerful connection to the force. They enlist the help of a smuggler named Catra on the journey to Etheria where the fate of the galaxy will be decided.

Imperial Cadets Adora and Catra suddenly find themselves thrown into the world of the Force. (I rated it T because of mild death, but there very little of it. Plus, no bad language.) [DISCLAIMER: I DO NOT OWN STAR WARS OR SHE-RA!]