Ren Orion was A Former Jedi Padawan During The Clone Wars , However his Master was killed by General Grevious . Ren hid on the planet for weeks , no one knew Ren was Alive. After Ren worked with Asajj Ventress as a Bounty Hunter for a while before going his own way , unfortunately Ren was shot down on Mandalore where Bo Katan Kryze saved him from getting killed , after Ren felt the best thing to do was help Bo Katan and her people , over time However The Former Jedi Padawan fell in love with Bo Katan .