Lux E unable to cast for duration of game
http://imgur.com/OYtHu7o
After pre-detonating Lux's E, the projectile vanished and I was unable to cast E for the rest of the game. When I tried, it showed that E cost 0 mana and was unable to be cast at this time. This has been previously reported in https://www.reddit.com/r/leagueoflegends/comments/3daxka/there_is_a_gamebreaking_bug_with_lux_where_you/ .