Yasou - WindWall - Teamfights - SoloQ: The true problem is the animation/sound effects.
I think the biggest problem with Yasou is his Windwall. It is too wide and stays up to long. In soloQ where team play and communication is often Missed, the back-line (adc/apc/ranged) are often cut off from their front line tanks and bruisers. With windwall; ultimates, auto attacks and all abilities are simply nullified... no sound effects of how many shots/autos/abilities were missed (well maybe there is but I don't notice it as much as I do braums shield), like Braums Shield where you can clearly hear sounds of how many things he has blocked. I even think his shield sounds are accurate to when larger abilities like Ashes arrow are blocked and when an auto attack is blocked.
I am not saying bronze-gold bruisers/tanks/front-liners will back off when they hear and see how many cooldowns and autos were shut down.. but just maybe they might think twice about going in and continuing with a teamfight when seeing/hearing how many abilities were wasted. It is so annoying being an ashe main and just seeing a fed yasou or a yasou who fed just destroying your frontline and there is nothing you can do about it. Sure your team can do something about it (reposition) but they often don't understand and just won't.
In higher levels of play, players probably understand when tons of cooldowns and abilities are blown by that windwall and back off and position better for the back line, so that's why no one cares to play or ban yasou.
All-in-all you probably can just alter the sounds and animations of when things hit the windwall and you can skip full rework or huge nerf. Shoot you probly just making the wall not increase in size will be nice compromise for all the yas haters and people won't ban as much simply cause they heard the words "Nerfed something"
Yasou is a big negator, but he shouldn't negate entire teamfights with a single ability. It is so annoying when you manage to work together with your support well in solo Q to the point of carrying hard to be totally shut down by one ability for teamfights, and watching the foolish frontliners just dieing, and if you walk past the windwall you put yourself in a dangerous position as an adc.
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