Tweak to Windwall and yas Passive

Why not make Yasuo's windwall based off of his passive? Slow down the Flow meter, and then make the windwall block different things based on the amount of flow he has when he uses it, depleting his flow charge. 0-39% could block auto attacks, 40-74% could block basic abilities and auto attacks, and 75-100% flow charge could block ultimates. It will add a bit more complexity to his design, raising the skill ceiling and the slower flow charge keeps his shield in check. Plus using flow more like a resource than a shield charge seems like it will cause people to wind down on the yasuo hate.

Another fix that could go along with or in place of this initial fix could be the duration of his windwall. 2.5 seconds at all ranks is a pretty long duration. could have it build up to the 2.5 seconds as it is leveled up.