Backward Firing Ashe Arrow [GAMEPLAY]
I played this game: http://matchhistory.na.leagueoflegends.com/en/#match-details/NA1/2389816857/45038261 and when I hit 6, I put a point in my R, walked forward and cast R toward the enemies while right clicking to move and pushing the screen down. The Enchanted Crystal Arrow flew the opposite direction of my cursor. See the below video:
