@Riot you seem dedicated to fight visual clutter, but what about audio clutter?
I just won a 4v5 game and instead of being happy about it I'm fucking aggravated, because my toplane enemy was
, so I got to enjoy constant 'HUAaaaaa HUAaaa HUAaaaa HUAaaaa' (when he jumps out of brush to lasthit) for like 10 fucking minutes straight.
An option to make repeated sound effects softer and softer would make many, many matchups much more pleasant to play against (looking also at
here).

here we have the king of not shutting the fuck up for two god damn seconds