S7E25/26: Alicorn plans to use the Elements of Harmony to banish a pony that has been consumed by darkness.



Also in this episode: Twilight tries to solve problems with magic; Starlight tries to solve problems with friendship.



And of course, several quick references to the movies in order to tie them in to the show canon.

(Hooray, finished the season 7 episode sketches just before season 8 starts!)

