Kingsley has been a member of the New Lunar Republic since the begining and is one of Luna's must loyal and skilled member of the shadow guards. but after he is wounded in an ambushed he finds himself behind enemy lines in Ponyville being treated by one of the Elements of Harmony and after taking the opportunity to find more information on his enemy he starts to realize that he might be fighting on the wrong side. (Authors note: this is my first fanfic so i would love it if you leave a comment and tell me how you feel about it, thanks.)
P.S. i do not own the pic it belongs to this talented brony: http://cosmicunicorn.deviantart.com/gallery/#/d5c1boi